Imagine having a neighbour who's doing something really loud, thinking something like "what are they doing running a jet engine?" only for it turn out that it's actually a jet engine
The Arfons brothers used to do this with F86 engines chained to trees outside their workshops on the jet powered Green Monsters. I got to see two iterations of the Green Monster. It ran at full military power at the starting line, then cut in the afterburner for a big blast thru the quarter mile when they were green lighted. Saw them at Kansas City International Raceway and St. Louis International Raceway about 1970.
yup makes for more realism when building a scale plane .model ... you can have a preheater cart for the engines ... or you can have it use a built in Auxillary Power-up Unit and spool the engines like he did ... saving on your flight battery and it can be all electric to pre-heat and spin up since you can use a glow plug style heater which has the added advantage of actually being able to start the fuel when hot enough ... with a sensor for when the engine has taken over you can then switch the APU to charge and let it sit back for ride
You could probably get a piston engine to spring over 15k idle....rpms is rotations per minute..... decrease bore and stroke add more pistons by the time your able to spin that high you'd probably have a 60 cylinder engine
Have a look at an F111 doing a dump and burn... Jet engine, thirsty enough. Now add an after burner. Now dump extra fuel overboard to create an even bigger flame out the back.
I have never seen a demonstration of the fuel consumption of a jet engine like that before. I appreciate you thinking to show that, it was the most interesting part to me as I have seen many videos of these engines in action.
just think there are full sized warships powered by 747 sized engines and that was the fuel use for a little one, how many tons of fuel an hour do you think a ship uses?
Man, that's such a JohnnyQ90 nostalgia trip. Micro jets. The thing that got me to sub to you, was the "i don't give a shit" attitude. Haven't been disappointed since.
Exactly what I was thinking. At first I was like "he forgot to change the text", but then I realized that it's really just an air pump, and being non-electric, it is technically "brushless", so you have to give it to him.
Sweet! I spent a good part of my career working on small turbine technology at Williams International. Fascinating. Most of my career was in aerospace. I was a jet engine mechanic in the Navy. Amazing machines!
Nice build. Whenever you're starting an engine for the first time, keep yourself at 45 degrees, if possible. If the engine blows, shrapnel flies radially, if it breaks the body (it shouldn't, even at max rpm). Also, one hand at the stop button at all times, if shit happens, it happens fast. Your controls location was ideal, actually. Never run a gas engine until dry, it needs some time to cool down at idle. If it doesn't cool down, it's best to keep the engine in slow turn (that's a real gas turbine feature, don't know if it applies here), to avoid thermal bow. Congratulations, running your own gas turbine is very fun!
if its a perfect round cylinder like this jet engine at what angle do you stay 45 degrees from LOL its a round object that will will explode in 360 degrees lmfao better to use a barrier!
@@rvlifestylelivin Are you trolling? Consider the shaft axis as reference, the center of the turbine body as origin. Commissioning personel should stay on the line that, starting from the origin, makes 45 degrees with the shaft. If the turbine explodes, shrapnel flies 360 *radially*. Or it flies axially. So you shouldn't be on the side or ends of an operating gas engine.
That was my first thought. I did an apprenticeship at a grinder machine manufacturer and was qualified to change wheels on cylindrical and surface grinding machines. The first thing they teach you is never stand in line with the wheel when you first switch it on.
Jet engines make me moist. Size doesn't matter. PS. if i was your neighbour i would've acted like a little boy on a chrirtmas if i saw you running this thing.
OMG, so funny! My PC started acting really weird, slowing to a crawl the other day. Couldn't understand why until I ran Rask Manager. Turns out - surprise - I had like 94 Chrome tabs running. Talk about a pig on memory!
That's for sure. My 2.3L drank fuel like hell, screamed like a turbine on the expressway and produced almost nothing in return. It was dogshit on wheels.
That was exactly my thought process when i read that. I was like thats not a brushless pump, then immediately thought to myself "Well actually i guess that it technically is a brushless pump".
BiC MC you can hear up to 22khz? Either you’re really young or have excellent ears. Most people top out between 18-20khz. Older people even struggle with 16khz. Btw even the cheapest headphones normally are able to reproduce much higher frequencies, some up to 70khz. Especially when they use balanced armature drivers instead dynamic drivers. You’re just not able to hear them. And the frequency graph definitely isn’t flat anymore at these high frequencies, nonetheless they can reproduce them.
I work on KC-135s. They are an aerial refueler. Standard rampload at my base is 75,000 pounds of fuel. 13,400 pounds in each wing tank which is where the engines are fed the fuel from. Jets didn’t land with the same amount of fuel everytime but typically after a 5 hour flight you could expect anywhere from 2-4,000 pounds in each wing tank. That can give you an idea. 4,000 pounds of fuel would be roughly 600 gallons and 13,400 pounds would be 2000 gallons so that’s 1400 gallons of fuel per tank in 5 hours.
@@garrettnino5137 naaa it's because the aluminum extrusion part that he is using are 20*20mm, and are so refered to "2020 aluminium extrusion", the joke being that 2020 would refer to the year instead of the dimensions. If you wonder, no 20*19mm aluminium extrusion doesn't exist to the extend of my knowledge (well it could be made obviously)
Amazing video! You’re a very skillful person and a well prepared technician! The best part??? Straight to the point and no time wasting! Fernando Matosinhos- from Brazil
Had to hold the table + foot on! - when running full speed? That was telling! Well done! I wish I had the knowledge, the skills, the tools, the money, and the time to build such an engine test-bed. Watching YOU do it all feels good! Thanks!
just think ... an f18 ... has lets say 10,000 gallons of fuel on board ... thats only a few minutes of flight time ... NOT dog fight time either .. just basic high efficiency flight time ... what you saw going into the engine was about comparable ... the trade offs in a jet engine include fuel consumption over thrust as well ... going fast and hauling weight take lots of fuel .. so you make a compromise on how fast you want to use fuel ... with full sized engines they have many settings that can be adjusted for best fuel use at most operating levels ... BUT ... an RC jet doesnt have that ... it has a basic engine set to a moderate compromise of fuel use to useful power ... if you can compress the incoming air more or chill it ... then have a better fuel air mixer ... you would increase the power out of the engine and lower fuel consumption ... BUT at the cost of more weight .. . so if you made thunderbird 2 ... you would need about 5 gallons of fuel just to get 15 minutes of flight time .. with 2 engines ... BUT it would be about 6 feet long ... and not light by any means ;)
Like this high powered engine has top RPM of 50K modelaircraftcompany.com/newshop/en/micro-jet-turbines/854-amt-lynx-turbine-with-1569-kg-1569-n-352-lbs-thrust.html This small one has 245K - modelaircraftcompany.com/newshop/en/home/74-jetcat-p20-sx.html
Hope you were wearing hearing protection, gotta always promote safety in RC turbine videos because many newbies don't realize that these little engines can do just as much hearing damage as the full size jet engine............ Great video!
It's amazing jets can stay in the air with fuel consumption like this. I know you're getting a lower thrust per unit fuel/second than a full size jet engine would, but it's still fascinating.
At altitude, the air is MUCH thinner, so the fuel flow adjusts downward for proper fuel/air ratio. This is one reason why jets fly several miles high - they are much more efficient up there.
That high pitched turbine noise is like music to my ears. So dope! Imagine someone in a car pull up to you in a red light with that noise, you’d be like: “you got a jet engine in there?” Lol
@@OmarDelawar they're actually really cool things! Unfortunately, they didn't make many, and most were scrapped, but if you want to see one in action, Jay Leno has one
You didn’t care that you used scrap material and parts not designed specifically for the project you were working on and new it wouldn’t work? Buddy.. that mini jet engine alone is AMAZING! I’ve only watched 1 minute of the video before I had to type my thoughts on it! I’m going watch the entirety, but very cool to see the blades turning!
It's an artifact of a frequency exceeding the Nyquist frequency, which is equal to half the number of samples per second of the recording. You see the same effect when a car's wheel spokes appear to reverse direction in camera footage, as each spoke turns more than enough per frame to appear in the place of another spoke. When the harmonic frequencies of the quickly rotating fans exceed the Nyquist frequency, you can hear the aliasing artifact, which is a new frequency with a pitch "reflected" off the top end of the frequency spectrum, so it appears to be descending in pitch even as the RPM increases.
I didn’t time the start, but in comparison to larger jet, or turbo prop engines that I’ve worked with, I thought the start was excessively long. We all know that the start cycle is the most destructive phase of a jet engine operation, and airline engines are limited to power checks, or a max number of starts between overhauls due to the temperatures reached during starts. For those of you that are not aware of these phases in the operation of a jet engine, until the compressor reaches a minimum rotational speed, there isn’t adequate air flow through the engine to cool critical internal engine parts. After it was running, I was very impressed. It will be very interesting to see how long it lasts with such long starter times, where the internal temperatures are at destructive levels. But, one has to applaud the efforts of an individual building such an engine for a model that was just wishful thinking not that long ago. If it lasts for only one flight, it is a success!
Не понял, где у него двигатель на 1800кг тяги? В его видео меня разочаровывала только одна вещь - тяга то у двигателей небольшая, относительно их массы и габаритов (
I rarely get complaints when running my 170mm turbine, though it helps to be in the glide path of an active Naval Air Station. =) When the F35s are out doing touch and gos, I can run my engine all day; of course I can't hear it when THEY fly overhead, but I'll take it!
Seems to be a not easy thing to do, since I couldn't find any jet turbine with high-bypass turbofan on the market. Also no youtube videos showing it on small turbine but just on the big airplanes.
Pro tip-- remove the mesh and anything in front of the inlet, when air moves at those speeds every bit of drag is magnified like crazy and makes it ineficient, this is 737s dont have mesh infront of the engines
So impressive. Was surprised at the RPM this turbojet operates at. Can someone tell me how many RPM the core of a full-sized aviation turbofan operates at on take-off (105% N1 or an EPR doesn't convey too much)? Also, it'd be interesting to know fan RPM, and whether it is completely inefficient for RC model builders to ever use a scaled down turbofan design?
Great clip. One thing that isn't mentioned with jet engines big or small, the difference between thrust in lbs. Then velocity of thrust. Is pulls 12 k of thrust but how would one measure the speed of the air coming out? Like some old turbo jet engines had a very low Lbs of thrust but the velocity was vary high. Some cases well over supersonic, while large turbofan engines have high lbs of thrust but a lower velocity, with a larger volume. Very complicated I know. Very curious. It isn't talked about often and i have never seen the velocity, and volume measured, just the weight.
@@mamoochie7392 It is like that I would say. I'm not sure. It would have to be put in the perfect spot. A speed indicator for an aircraft a pitot tube or the kind used on ultralight aircraft, just a plastic tube with floating plastic washer would work, but how to set it up. They work off air presure. So if it was to close or to far. Seems easy to get wrong. Small jets like the Latest F-5 really get me thinking. It has 2 engines with only 5000 lbs. Of thrust each, yet it can reach a speed of mach 1.6.+ ! Really impressive. High horsepower low torque so to speak. I have been looking and engine company's all seem to just give the weight of the thrust. Not one can I find the velocity. Maybe I am crazy and there isn't a difference. Just seems there must be. A pressure washer has gallons per hour and pounds per inch. But not a jet. Strange. May be just difficult to measure.
@@mamoochie7392 Fighter jets have variable exhaust outlets, or turkey feathers as the Pilots call them. Idle speed they are open, high regular thrust it closes to increase velocity, like putting a thumb over head of a water hose, then when they go full after burner it opens again. I would guess so the burner doesn't act like a torch and melt the feathers.
For the amount of engineering, material selection and machining that goes into a product like this, I think it's actually pretty cheap for something as niche as this. I was surprised it didn't cost more. Just think about it, the max RPM of this thing is 125.000, that's more than 2000 rotations per second. Designing light weight parts capable of withstanding those centrifugal forces and heat simultaniusly is quite challenging.
Johnny: *has some Tin cans, a pen and garbage Also Johnny: * makes a frickn Little jet engine that looks surprisingly cool and spins really smoothly, better than anything I could have ever done with all the tools in the world
3:16 When I saw that square stock wobbling in that 3 jaw chuck I involuntarily yelled, “no no no no no no no” in bed at 2am. “Did you have a bad dream?” “Uh yeah sorta.”
I’ve never commented on one of your vids before, but I have been subscribed for some time. I always find your videos well crafted, artful, and inspiring. Among other things you remind me not to over-complicate the design phase. KISS should apply to each step of the fabrication process. So... thank you. 🤘🏻😎👍🏻
I’m not a scientist by any right, but 12 kg is roughly 26lbs so as long as that engine is less than 10 lbs you should be good to make an airframe. But I’m also pretty sure most places require a permit to fly model jet engines.
An easy way to think of it is , hold out your arm with 12 kg of weight in your hand . Now imagine the force againt your hand/arm is from the thrust of the jet .
Imagine having a neighbour who's doing something really loud, thinking something like "what are they doing running a jet engine?" only for it turn out that it's actually a jet engine
th-cam.com/video/z8bIXeM0RJ8/w-d-xo.html Your welcome :)
That's my neighbors
The Arfons brothers used to do this with F86 engines chained to trees outside their workshops on the jet powered Green Monsters. I got to see two iterations of the Green Monster. It ran at full military power at the starting line, then cut in the afterburner for a big blast thru the quarter mile when they were green lighted. Saw them at Kansas City International Raceway and St. Louis International Raceway about 1970.
i would not mind at all would love it jump the fence with my♿
debe de ser muy guapo si fuera una vecina
Johnny be the type of dude to start up a jet engine in his roof then sympathise with his neighbours, absolutely love it!
1:58 is technically correct.
It’s brushless and it pumps air
The best kind of correct
Jet engines are just really angry brushless air compressors
@@KnowledgePerformance7 their not angry, just different and difficult to work with
@@e_g4239 nah, they just angry
@@e_g4239 cant tell dude, cant tell.
"Ernest, the boy next door is running a jet engine on his roof again!"
"Come on now, Gladys, at least we don't live next to Styropyro"
Or Colin Furze.
Or Hacksmith
Or Electroboom
@@LungsMcGee 💀
I actually really like the slow startup
Pretty satisfying
@@alessiocarraro7778 And closer to a full size engine.
yup makes for more realism when building a scale plane .model ... you can have a preheater cart for the engines ... or you can have it use a built in Auxillary Power-up Unit and spool the engines like he did ... saving on your flight battery and it can be all electric to pre-heat and spin up since you can use a glow plug style heater which has the added advantage of actually being able to start the fuel when hot enough ... with a sensor for when the engine has taken over you can then switch the APU to charge and let it sit back for ride
It Sick innit 👌🏿
Slow start up is more realistic, its like being at Heathrow.
two days in a row, what a treat
Ikr
I came down to write the same thing 😂
@@todddooley793 me to, i hope he upload videos every day i hope so 😊
That's what I was thinking, too!
Legit
Idle : 40 000 rpm
*confused piston engine screaming*
\*tries the same in a piston engine\*
"Why is my engine half way across the country?"
@@SOIBand piston #2 found another habitat planet lmao
@@TelmenBudsuren Idk why I did this but I thiiink the piston stroke required to achieve earth escape velocity at 40000 rpm is 53.5m
You could probably get a piston engine to spring over 15k idle....rpms is rotations per minute..... decrease bore and stroke add more pistons by the time your able to spin that high you'd probably have a 60 cylinder engine
Yes, it would be screaming
The first oil one is actually extremely cool. Essentially when considering it's made from random parts.
Johnny bout to make a whole rc fighter jet
Or a jet powered hang glider with lasers?
What makes you think he hasn't?!?!?😏
Athif Mohamed hasn’t posted it yet
Jet powered bandsaw. The one he has Is underpowered🤣
Get another 2 and build an RC Hunter/Killer Skynet drone.
As a rotary engine enthusiast, I’m happy that there’s something that empties the fuel tank faster😅
hahahaha
I was thinking the same about my Focus ST225.
If a rotary could do 125000 rpm, it would chew fuel even faster than the jet.
Have a look at an F111 doing a dump and burn... Jet engine, thirsty enough.
Now add an after burner.
Now dump extra fuel overboard to create an even bigger flame out the back.
Try to compare the wankel with a liquid rocket engine.. It'll make your engine look very frugal and economical
That fuel consumption remided me of an old jag I used to own.
lol reminds me of the old joke .... yup my car is fast ... it can beat anything on the road ... except a gas station .. it stops for those
andymouse123 4.0l I6?
Literally my bike at the moment 12mpg
@@NOONE-hp8bw what the hell so you ride?
Same with my dads supercharged triumph rocket 3
350bhp drains the tank like it's got a leak 😄
I have never seen a demonstration of the fuel consumption of a jet engine like that before. I appreciate you thinking to show that, it was the most interesting part to me as I have seen many videos of these engines in action.
The impressive part was to watch the fuel burn, amazing how quickly it GOES.
just think there are full sized warships powered by 747 sized engines and that was the fuel use for a little one, how many tons of fuel an hour do you think a ship uses?
Fuel Consumption: 310 ml/min / 10.5 oz/min @ 90% Power 112,500 RPM 😎
What would it look like if Johnny builds a custom afterburner as well :)
Like 5 years kid is drinking juice
faster than 84 Bronco
Man, that's such a JohnnyQ90 nostalgia trip. Micro jets. The thing that got me to sub to you, was the "i don't give a shit" attitude. Haven't been disappointed since.
On-screen text, referring to actual jet engine: Brushless pump
Me: Well technically you're not wrong.
Probably johnny was too excited for this and forgot to go through the edit
... or it was done on purpose.
Exactly what I was thinking. At first I was like "he forgot to change the text", but then I realized that it's really just an air pump, and being non-electric, it is technically "brushless", so you have to give it to him.
Oh that was done on purpose allright ! Quite funny actually ! 👍
it might of being the starter motor.
Sweet! I spent a good part of my career working on small turbine technology at Williams International. Fascinating. Most of my career was in aerospace. I was a jet engine mechanic in the Navy. Amazing machines!
I need your help with a project I will be working on in the near future. Need some advice.
Definitely going to purchase this but I’d like to install this on my truck. Any advice?
Вам понадобится одна большая цистерна для топлива😂🎉@@AIRFORCEPILOT100
It runs on red bull!
It really does give you wings
@@BierBart12 more like thrust
Yes
No, Red Bull doesn't do anything, you need a Monster or a Rock Star or you're wasting your money. Red Bull doesn't have Ginseng, but the other two do.
Ginseng gives you wings
Nice build.
Whenever you're starting an engine for the first time, keep yourself at 45 degrees, if possible. If the engine blows, shrapnel flies radially, if it breaks the body (it shouldn't, even at max rpm). Also, one hand at the stop button at all times, if shit happens, it happens fast. Your controls location was ideal, actually.
Never run a gas engine until dry, it needs some time to cool down at idle. If it doesn't cool down, it's best to keep the engine in slow turn (that's a real gas turbine feature, don't know if it applies here), to avoid thermal bow.
Congratulations, running your own gas turbine is very fun!
if its a perfect round cylinder like this jet engine at what angle do you stay 45 degrees from LOL its a round object that will will explode in 360 degrees lmfao better to use a barrier!
@@rvlifestylelivin Are you trolling?
Consider the shaft axis as reference, the center of the turbine body as origin. Commissioning personel should stay on the line that, starting from the origin, makes 45 degrees with the shaft.
If the turbine explodes, shrapnel flies 360 *radially*. Or it flies axially. So you shouldn't be on the side or ends of an operating gas engine.
That was my first thought. I did an apprenticeship at a grinder machine manufacturer and was qualified to change wheels on cylindrical and surface grinding machines. The first thing they teach you is never stand in line with the wheel when you first switch it on.
This is smazing
Some very good tips
Engine: *does +125,000 revolutions per minute*
France: _Hold ma baguette!_
Actually, that was funny 😂
*spits out maple syrup*
because of all the revolutions they had to endure with their colonies?
as a french human being I can only approve this
This comment deserves a high form of commendation.
Love the shot of the fuel being sucked down that fast, awesome
Jet engines make me moist. Size doesn't matter.
PS. if i was your neighbour i would've acted like a little boy on a chrirtmas if i saw you running this thing.
Right? Who just starts up a model turbine engine on their roof? I would have gone to get more fuel so we could run it again.
Consume much fuel.
Yeah. I would've lost my mind...
Cool as hell!
The noise, the smell, who needs a holiday with one of these for your amusement. women take second place.
Hell yeah uninvited jumping the fence with the beers and the guitar
This is literally my old MacBook Pro when I launch google chrome
OMG, so funny! My PC started acting really weird, slowing to a crawl the other day. Couldn't understand why until I ran Rask Manager. Turns out - surprise - I had like 94 Chrome tabs running. Talk about a pig on memory!
firefox > chrome
this is real. Its not happen on AAA game but Chrome 😂
Turn off Hardware acceleration.
Laptop or desktop PC? If laptop, change the cooling paste. If desktop PC, get a PC made in 2015 or later :P
10:48 Just about the same fuel consumption as my old 5.2L Jeep .
You're god damn right.
That's for sure. My 2.3L drank fuel like hell, screamed like a turbine on the expressway and produced almost nothing in return. It was dogshit on wheels.
@@mikeburch2998 At leat 5.2 had a great sound and a decent acceleration. But now i got the 3.0 diesel one which is alot better in fuel consumption .
This is one of the most amazingly channels I've ever come across ... thank you for sharing your amazing talent
Now that's a powerful and expensive hairdryer.
Edit: More like a leaf blower tho
Edit: Thanks for 2k likes, I never had this much before !
Lmao
😫🤮😫🤮😫😀😫😀🤮😫🤮🤮😫
U crack me up lool
🦀🦀✌🦀🦀
Heeeeeeehaaaaa
Shows a brushless pump: _Brushless Pump_
Shows the Jet engine: _Brushless Pump_
_Well No but actually Yes_
I thought that was brilliant...
That was exactly my thought process when i read that. I was like thats not a brushless pump, then immediately thought to myself "Well actually i guess that it technically is a brushless pump".
@@scz71man but yes
pretty much, brushless air pump
I thought that was a mistake but then thought hmmm, perhaps not. 😜
Wow!!! What crazy fuel consumption ??
This has a high cost to make this turbine work.
Leandro Wagner.
Airliners use ton for fuel unit... So..
Diesel?
Yeah, gas engines have a huge fuel consumption... Now imagine a afterburner combined with that gas engine.
11:00 That thrust is really consuming fast!
0:43 ahhh brings back memories of the drill sound at the dentists office.. Not cool!
However, imagine if the drill was propelled by a jet engine 😎
Soooo much difference to the dentist appointment 😁
@@chukwow5738 except a dental drill can reach 800,000 rpm
Lushin187 oshit
😂😂😂
@@Lushin187 Wait they put that in my MOUTH?????
I didn't know my phone speaker could make such high frequency noise.
You don't need this video to test your speakers lol just download frequency changer from the iOS store or Google play store
on my tv setup I hear a lot of aliasing near Nyquist frequency. This thing must be way more impressive in real life hearing it.
Matt P what yo using
I really wish I didnt get high quality headphones, these go up to 22khz and it hurts so damn bad
BiC MC you can hear up to 22khz?
Either you’re really young or have excellent ears.
Most people top out between 18-20khz.
Older people even struggle with 16khz.
Btw even the cheapest headphones normally are able to reproduce much higher frequencies, some up to 70khz.
Especially when they use balanced armature drivers instead dynamic drivers.
You’re just not able to hear them.
And the frequency graph definitely isn’t flat anymore at these high frequencies, nonetheless they can reproduce them.
Imagine how the realtime fuel consumption of a full size jet engine would be...
Well, it about 0,1-0,3 kg/s or if you prefer 0,8-0,24 liter/s (more ore less), but it's strictly depends ond the amount of air goes in the turbogas.
A pilot I used to know told me an F-14 tomcat burned $30,000 and hr worth of jet fuel, and that wasn't using afterburner that was just cruising!
A 747 Burns 5 tons of kerosene a hour 👌
I work on KC-135s. They are an aerial refueler. Standard rampload at my base is 75,000 pounds of fuel. 13,400 pounds in each wing tank which is where the engines are fed the fuel from. Jets didn’t land with the same amount of fuel everytime but typically after a 5 hour flight you could expect anywhere from 2-4,000 pounds in each wing tank. That can give you an idea. 4,000 pounds of fuel would be roughly 600 gallons and 13,400 pounds would be 2000 gallons so that’s 1400 gallons of fuel per tank in 5 hours.
@@dreaded_pegasus6578 good job on OpSec...
I need 2 of these, a 5 gallon jug for the fuel, and some straps, and joy sticks...
check out gravity industries, they make jetsuits out of these things
You know that youre an engineer when you drill a hole into a waterbottle cap with a lathe
*lathe
Lay the is a moon in kerbal
@@korybabinski4159 yep i know got a little confused there😂
Build a jet engine why these three simple steps!
Step 1: Own $20k worth of machine tools!
@@korybabinski4159 No, Laythe is a moon in Kerbal.
Nice to see that you used some fresh 2020 aluminum. That shitty 2019 harvest was just useless.
(sorry)
i not into manufactoring, is what you said a joke or are you serious? metal harvest doesnt sould real
@@garrettnino5137 naaa it's because the aluminum extrusion part that he is using are 20*20mm, and are so refered to "2020 aluminium extrusion", the joke being that 2020 would refer to the year instead of the dimensions. If you wonder, no 20*19mm aluminium extrusion doesn't exist to the extend of my knowledge (well it could be made obviously)
Garrett Nino r/woooooooooooooosh
it's r/woooosh if the user didn't even think it could be a joke
I will still use 2019 though. I heard that 2020 crap can burn your house, kill your neighbours and lock you down at home for two weeks.
The amount of thrust that produces is pretty impressive.
Amazing video! You’re a very skillful person and a well prepared technician! The best part??? Straight to the point and no time wasting!
Fernando Matosinhos- from Brazil
So u spent $2099 to make this vid? This man deserve more subs
I've been following you since i was 12 or 13. Now i'm 19 lol. You are a Genius and you have improved a lot in your inventions!.
Let's be real, he just bought a jet engine and rigged it up, no real invention here
@@gabe8168 go watch his other videos then
@@gabe8168 clearly haven’t seen his other videos
Had to hold the table + foot on! - when running full speed? That was telling!
Well done! I wish I had the knowledge, the skills, the tools, the money, and the time to build such an engine test-bed. Watching YOU do it all feels good! Thanks!
I was thinking of the first jet engine tests with layers of plexiglass and concrete between the testing scientists and the engine, lmao
It's the vocal explanations in the audio that makes this make so much sense. Thanks so much
11:10 “hunny, the plane is awfully quiet”
“Don’t worry dear, it probably just ran out of fuel”
Wow, I am appalled with the real time fuel consumption! Incredible.
I had a 1977 Cadillac Eldorado that had a similar Gallons Per Hour thirst...
@@microbuilder Did you measure fuel effeciency in tons per hour? You almost have to in those old land yachts.
just think ... an f18 ... has lets say 10,000 gallons of fuel on board ... thats only a few minutes of flight time ... NOT dog fight time either .. just basic high efficiency flight time ... what you saw going into the engine was about comparable ... the trade offs in a jet engine include fuel consumption over thrust as well ... going fast and hauling weight take lots of fuel .. so you make a compromise on how fast you want to use fuel ... with full sized engines they have many settings that can be adjusted for best fuel use at most operating levels ... BUT ... an RC jet doesnt have that ... it has a basic engine set to a moderate compromise of fuel use to useful power ... if you can compress the incoming air more or chill it ... then have a better fuel air mixer ... you would increase the power out of the engine and lower fuel consumption ... BUT at the cost of more weight ..
.
so if you made thunderbird 2 ... you would need about 5 gallons of fuel just to get 15 minutes of flight time .. with 2 engines ... BUT it would be about 6 feet long ... and not light by any means ;)
Power to weight ratio is better than an IC engine, but the tradeoff is fuel consumption.
Shawn
Exactly. Maybe he meant 10,000 pounds of fuel?
That jet engine you made 10 years ago is what got me interested in your channel!
i am addicted to this channel, is like all my chilhood fantasies becoming a reality and conveniently delivered on video
2000 revolutions per second. Even on something that small there's some serious forces involved there.
The angular momentum of the compressor blades is 600 times as much force as the thrust. Imagine if it had a 10 kilogram flywheel.
@@timhallas4275 I'm sorry but that doesn't make any sense. Angular momentum has different dimensions than force.
Agree, that is why I wouldn't stand next to it with my thigh right in line with the rotating compressor blades.
Smaller RC engines require a lot of RPM. When you buy larger than this the Max RPM goes down, while Power goes up.
Like this high powered engine has top RPM of 50K modelaircraftcompany.com/newshop/en/micro-jet-turbines/854-amt-lynx-turbine-with-1569-kg-1569-n-352-lbs-thrust.html
This small one has 245K - modelaircraftcompany.com/newshop/en/home/74-jetcat-p20-sx.html
"Adjust your speakers"
OK.. *turns up volume*
Graeme Patterson True!! thats wot i did!. 😀😀👌👋
@@knightman4574 so do i haha
Thatd me
«Приветствую всех любителей турбореактивной тяги!» (с) Игорь Негода
Походу аудитория кочует с канала на канал )). Чтобы видосики без перерыва смотреть. Игорь пока сильно впереди, примерно на длину корпуса АИ-25
Искал такой коммент))
Тоже при распаковке в видео слышите "да это просто роскошь какая-то"?))))
Местный автор конечно пряморукий, но до Негоды ему далековато пока
@@MidasBetankor нужно его в гаражный кооператив имени Негоды отправить для обмена опытом
Hope you were wearing hearing protection, gotta always promote safety in RC turbine videos because many newbies don't realize that these little engines can do just as much hearing damage as the full size jet engine............ Great video!
It's amazing jets can stay in the air with fuel consumption like this. I know you're getting a lower thrust per unit fuel/second than a full size jet engine would, but it's still fascinating.
At altitude, the air is MUCH thinner, so the fuel flow adjusts downward for proper fuel/air ratio. This is one reason why jets fly several miles high - they are much more efficient up there.
At Dyson HQ
R&D: Here we go, our all-new Dyson hairdryer.
Dyson never made anything that worked.
@@DrWhom their vacuums sucked
Not loud enough.
"okay R&D team...i think y'all need a vacation"
Jeff Bezos tried their first product
Your “Miserable attempt” is better than anything attempted by others lol.
Especially for something made of scrap, without tools
That high pitched turbine noise is like music to my ears. So dope! Imagine someone in a car pull up to you in a red light with that noise, you’d be like: “you got a jet engine in there?” Lol
Ever heard of the Chrysler Turbine cars?
@@casualcomputing6064 Whaaatt? No way! I want one right now! lol
@@OmarDelawar they're actually really cool things!
Unfortunately, they didn't make many, and most were scrapped, but if you want to see one in action, Jay Leno has one
Watching vid, right when the engine was warming up, Kenny logins Highway to the Danger Zone started to play on the radio! Talk about timing.
Was that the song in “Top Gun”?
@@chukwow5738 Yes, yes it was
Highway of Death?
en.wikipedia.org/wiki/Highway_of_Death
If you were my neighbor, I would have asked permission to get on your roof to see the jet engine. 🤣
"Terrain. PULL UP."
"Terrain. PULL UP."
Terrain, terrain.
"ROLL LEFT!"... beep beep "Flightcontrolls".
@the end...
"Bingo fuel"
just pop the TAWS and TCAS breakers... job done!
Whoop whoop
You didn’t care that you used scrap material and parts not designed specifically for the project you were working on and new it wouldn’t work?
Buddy.. that mini jet engine alone is AMAZING! I’ve only watched 1 minute of the video before I had to type my thoughts on it! I’m going watch the entirety, but very cool to see the blades turning!
I love how you can hear the sound aliasing as the RPM increases
What's sound of aliasing
It's an artifact of a frequency exceeding the Nyquist frequency, which is equal to half the number of samples per second of the recording.
You see the same effect when a car's wheel spokes appear to reverse direction in camera footage, as each spoke turns more than enough per frame to appear in the place of another spoke.
When the harmonic frequencies of the quickly rotating fans exceed the Nyquist frequency, you can hear the aliasing artifact, which is a new frequency with a pitch "reflected" off the top end of the frequency spectrum, so it appears to be descending in pitch even as the RPM increases.
@@DavenH I knew that
I can´t wait for the "building a RC Jet Engine Afterburner" video.
10:48 fuel Efficiency has left the chat
Something that makes the mig-29 look fuel efficient
I didn’t time the start, but in comparison to larger jet, or turbo prop engines that I’ve worked with, I thought the start was excessively long. We all know that the start cycle is the most destructive phase of a jet engine operation, and airline engines are limited to power checks, or a max number of starts between overhauls due to the temperatures reached during starts. For those of you that are not aware of these phases in the operation of a jet engine, until the compressor reaches a minimum rotational speed, there isn’t adequate air flow through the engine to cool critical internal engine parts. After it was running, I was very impressed. It will be very interesting to see how long it lasts with such long starter times, where the internal temperatures are at destructive levels.
But, one has to applaud the efforts of an individual building such an engine for a model that was just wishful thinking not that long ago. If it lasts for only one flight, it is a success!
Никто:
Абсолютно никто:
JonnyQ90: 10 кг тяги
Игорь Негода: 1800 кг тяги)))
А где Игорек?
@@andreyshvecov2208 может новый ТРД на бэху ставит
смотрю новый видос.... о Негода что ли))) подумал я... нет)) его зарубежные товарищи по турбореактивной тяге)))
У не годы по-моему самодельный двигун выдавал 8 кг! Тут заводской сколько 10 тку давит?
Не понял, где у него двигатель на 1800кг тяги? В его видео меня разочаровывала только одна вещь - тяга то у двигателей небольшая, относительно их массы и габаритов (
That's inspiring. awesome!
That's inspiring. awesome! vivek
GIACO!
In Russia Igor Negoda use 100 kg jey engine already! And they have ai-25, 1800 kg :)
Вот только Johny хотел написать про Негоду )) В Ростове масштабы побольше будут. И есть чееерррннаяяя пирамииидаа.. ))
40k rpm,, wow! You do beautiful work, great video man👍👍
This is the best channel to micro engines 💪🏻
Dang it’s been that long that I tried to make my own jet engine out of a lighter! This channel has been and will always be one of the best!
go to the channel of Igor Not years, you will learn a lot of new and interesting things.
Neighbours be like: *Dang it this vaccum cleaner upstairs really has some sucction*
This is awesome and I have literally no idea what I’m looking at
I rarely get complaints when running my 170mm turbine, though it helps to be in the glide path of an active Naval Air Station. =) When the F35s are out doing touch and gos, I can run my engine all day; of course I can't hear it when THEY fly overhead, but I'll take it!
Mom I just saw a flying work bench pass by the window.
Challenge: modify it to make a high-bypass turbofan. That should all a lot of thrust without too much fuel consumption
i allso thought of that. like 11:1. thats more than the bigest bypas engine
fuel consumption would still be the same
@@GWRProductions-kg9pt more thrust means you can throttle back for same thrust, maybe more fuel efficiency at same thrust level?
Orrrr go the opposite direction and add an afterburner. Aha way more thrust at around 50% more fuel
Seems to be a not easy thing to do, since I couldn't find any jet turbine with high-bypass turbofan on the market. Also no youtube videos showing it on small turbine but just on the big airplanes.
Pro tip-- remove the mesh and anything in front of the inlet, when air moves at those speeds every bit of drag is magnified like crazy and makes it ineficient, this is 737s dont have mesh infront of the engines
JohnnyQ90 back at it again with the quality uploads 👌
"my miserable attempt at a micro jet engine..." Hell of a lot better than the one I did, where I didn't attempt at all...
That was amazing. the warm-up is realistic to the sounds of something like a GE90 or RB211 after pushback. loved this! Nice job!
So impressive. Was surprised at the RPM this turbojet operates at. Can someone tell me how many RPM the core of a full-sized aviation turbofan operates at on take-off (105% N1 or an EPR doesn't convey too much)? Also, it'd be interesting to know fan RPM, and whether it is completely inefficient for RC model builders to ever use a scaled down turbofan design?
30-60 is 70 to 85% of available power in a fan turbine
@@williamvolkmann8658 Where to find

@@shajinahmed5773 find what?
You need to say more when you talk to people,
@@williamvolkmann8658 he is my inspire son
IGOR NEGODA, looks with contempt.
His engine is much bigger
@@mindprobe3587 and much smaller)
congrats on your first jet engine experience. I am also realy fascinated by these model jets and Miniaturization en general.
His neighbours might have thought - "SSSHHHHHH - oh no, what is he just doing?? Running a jet engine??" And, indeed, he RAN a jet engine ^_^
😂😂😂😂😂
Great clip. One thing that isn't mentioned with jet engines big or small, the difference between thrust in lbs. Then velocity of thrust. Is pulls 12 k of thrust but how would one measure the speed of the air coming out? Like some old turbo jet engines had a very low Lbs of thrust but the velocity was vary high. Some cases well over supersonic, while large turbofan engines have high lbs of thrust but a lower velocity, with a larger volume. Very complicated I know. Very curious. It isn't talked about often and i have never seen the velocity, and volume measured, just the weight.
it’s kinda like torque vs horsepower, but couldn’t you just measure it with a normal wind speed indicator?
@@mamoochie7392 It is like that I would say. I'm not sure. It would have to be put in the perfect spot. A speed indicator for an aircraft a pitot tube or the kind used on ultralight aircraft, just a plastic tube with floating plastic washer would work, but how to set it up. They work off air presure. So if it was to close or to far. Seems easy to get wrong. Small jets like the Latest F-5 really get me thinking. It has 2 engines with only 5000 lbs. Of thrust each, yet it can reach a speed of mach 1.6.+ ! Really impressive. High horsepower low torque so to speak. I have been looking and engine company's all seem to just give the weight of the thrust. Not one can I find the velocity. Maybe I am crazy and there isn't a difference. Just seems there must be. A pressure washer has gallons per hour and pounds per inch. But not a jet. Strange. May be just difficult to measure.
@@mamoochie7392 Fighter jets have variable exhaust outlets, or turkey feathers as the Pilots call them. Idle speed they are open, high regular thrust it closes to increase velocity, like putting a thumb over head of a water hose, then when they go full after burner it opens again. I would guess so the burner doesn't act like a torch and melt the feathers.
"Honey the neighbour is running the vacuum cleaner at full again..."
Me: Wow, you can buy a small jet engine. I wonder how much it costs.
Me: *sees price*
Me: well, this goes on the list of things I'll never have
Never say never my friend, if you Save and save and you'll get one trust me. Anything is possible.
For the amount of engineering, material selection and machining that goes into a product like this, I think it's actually pretty cheap for something as niche as this. I was surprised it didn't cost more.
Just think about it, the max RPM of this thing is 125.000, that's more than 2000 rotations per second. Designing light weight parts capable of withstanding those centrifugal forces and heat simultaniusly is quite challenging.
It’s cheaper than a macbook dude. Don’t say never to a price like that lol
@Alan Brando yeah man u jets gotta believe in urself
The GE9x only costs 6million
„I did that in my roof, my neighbors weren’t so happy“.... like Wtf hahaha poor neighbors nearly got deaf
i am from algeria and i want to thank you for this videos . bravo
Uhh i do LOVE to see how its just drinking the fuel like it was me drinken water :D Nice Video!
Tf
"Tower, this is Ghost Rider requesting a flyby..."
"Negative Ghost Rider, the pattern is full."
10:12 😎👌🏻👍🏻
Unless you want to get permanent tinnitus, yes actually turn your volume down. The sound is painfully high pitched. It hurts even at 10% volume
Same here I dont know what is lathe was lol I fabricate rc parts using my homemade micro lathe. This guy do awesome project ! Respect
Johnny: *has some Tin cans, a pen and garbage
Also Johnny: * makes a frickn Little jet engine that looks surprisingly cool and spins really smoothly, better than anything I could have ever done with all the tools in the world
3:16 When I saw that square stock wobbling in that 3 jaw chuck I involuntarily yelled, “no no no no no no no” in bed at 2am. “Did you have a bad dream?” “Uh yeah sorta.”
He wasn’t kidding when he said loud engine noises!🤣
It's the tinkerers in life that make stuff happen. Love the channel.
Увидел превъюшку, подумал Негода😀
Sorry I don't speak kgb
He refers to Igor Negoda, russian youtuber who made some turbo jet engines in his garage. Also he repaired some turbo APU and installed it to a car.
Тоже приготовился увидеть, как дают жидкого
@@Falconer535 не тут, калибр маловат, так чуть-чуть испужаться разе... за новое двигло...
Игорь там наверное жидкого копит чтобы на новом монстре поддать
I’ve never commented on one of your vids before, but I have been subscribed for some time. I always find your videos well crafted, artful, and inspiring. Among other things you remind me not to over-complicate the design phase. KISS should apply to each step of the fabrication process.
So... thank you. 🤘🏻😎👍🏻
People have gotten into literally every hobby during quarantine
WOW! Amazing!
One question (I'm not aware of thrust numbers): all this noise, I thought would produce tons of thrust! Is 12Kg power enough?
I’m not a scientist by any right, but 12 kg is roughly 26lbs so as long as that engine is less than 10 lbs you should be good to make an airframe. But I’m also pretty sure most places require a permit to fly model jet engines.
@@brendonantill8364 Thanks
An easy way to think of it is , hold out your arm with 12 kg of weight in your hand . Now imagine the force againt your hand/arm is from the thrust of the jet .
Master Yoda: 11:06 this small engine very thirsty is
comments: ... but it still needs nitrous and a turbo...
jq90: *J E T E N G I N E*
😂✌
... But it still needs high-bypass and an afterburner. Do you even supersonic, bro?
Instant flex at the start of the video : *Yeah I made a jet engine out of scrap 10 years ago, but it wasn't such a big deal lol*
Yeah but it didn't work, so half flex?
@@wolfkonig246 still a fat flex
but also half flex yes
I remember starting up my homebuilt jet engine (GT2000 plans, 11kg thrust) in the backyard...I had neighbours on 3 sides yelling at me! 🤣🇦🇺