I’m in school right now for aviation ! Learning how to work on these and take them apart and this was absolutely the biggest help to me ! Thank you so much
+Afrocanuk There is also an amazing amount of reduction that takes place in the main rotor gear box. Most man rotor spin in a range of 230-600 rpm depending on the type of helicopter. Thanks for the comment please share & subscribe.
Thanks for posting. I remember those training aids from my time at Rucker in 03. Out now but moonlighting a few times a year in the B206. Good refresher!
Beautiful cutaway, excellent tutorial covering the basics. I'd be very interested in you doing another video, using the same diagram, showing the starting sequence, the compressor stage, external compressor, etc and what chain of events occur in sequence. Great video sir, thank you!
Would love to see it when you get it built. I love the Allison turboprop engine for airplanes.. amazing engines.. Small size, huge power. Do you know what speed the final RPM of the Bell 206 is approximately? I know it varies, but stable lift, regular cruise rpm of the rotors? I know that an airplane prop, has about a 10:1 15:1 gearbox reduction on some aircraft, making final rpm approx 2200-2500 rpm.. However, helicopters have 2 transmissions I believe.. Reduction down to a base RPM of 2500ish, then down to 300-400 rpm final. I think this can vary quite a bit, but the engines have a basic cruise speed where they're most efficient. I guess this depends on every helicopter on the diamter of the blade, length of the blade, and most importantly, the magical tip speed of the rotor. I know it's extremely hard on any blade or rotor, not to mention noisy as hell, for the tip of the blade or prop to break the sound barrier, so they stay well below that speed.. But the actual final drive transmissions and gear reduction from 20,000 - 100,000 RPM in turbine engines always amazed me. Turning raw high speed whining turbine into a final drive output speed you can conceive.. I'd love to replace a twin engine Cessna 421b continental piston engines with Allison Turboprops... but the final cost is so staggering to do so, it's just not worth it. Would be an amazing conversion however.
Thank you so much, that make me know this engine is different from common Gas Turbine or general types. They designed the combustion chamber is installed in the back of the engine.
I've seen this video before, but this semester I took a class about GTE thermodynamic cycles / component design and now it all makes sense. Great video man. Thank you for your service to this country.
Do piston powered helicopters still exist? I read that during the Vietnam war, the H34 was used by the Marines and it had a similar payload and spec to the Huey however it was ultimately phased out. In light civil aviation piston engines are still common but not so helicopters?
I have got an assignment on the structural design of centrigugal compressors. really hard finding any help with that, anyone here wanna help me out with relevant info??
+Lloyd Morrison It is an electric starter and does draw a lot of amps. Most pilots will use a GPU to supplement the battery to help avoid a hot start, it makes a lot of difference in the start. Thanks for the comment, Please Share & Subscribe.
Yeah it's really amazing. To think the SR 71 flew just a few years after the conception of jet engines.. Today's technology must be out of this world.. Hope we keep being the good guy.
So lobbyists existed back in the 1930's then?? Multi billion dollar turbo reciprocating engine contracts and maybe the fear of the technology being handed over.. I always thought Hitler had developed the first turbo jet.
Why is the turbine shown in the video different than your standard turbine you see in military planes? For example, Compressor, combustor, turbine, exhaust is in a straight line and in the video shown, the compressed air runs to the back of the turbine, and then forward. Why the difference?
Found this on Wki, and it swill does not really explain why. I will try to find out more from the guys at the flight line. Allison adopted a reverse airflow engine configuration for the Model 250: although air enters the intake/compression system in the conventional fashion, the compressed air leaving the centrifugal compressor diffuser is ducted rearwards around the turbine system, before being turned through 180 degrees at entry to the combustor; the combustion products expand through the two stage HP turbine, which is connected, via the HP shaft, to the compression system, before expanding through the two stage power turbine; the exhaust gases then turn through 90 degrees to exit the engine in a radial direction; a stub shaft connects the power turbine to a compact reduction gearbox, located inboard, between the centrifugal compressor and the exhaust/power turbine system.
The layout of a gas turbine is usually dependant upon its application. The straight-through design that you described (comp, diffuser, combustion then turbine) is typical of a turbojet/turbofan design(though there are exceptions to this, especially for turbofans) since their primary propulsive force is derived from thrust from the engine itself. This usually requires as small a frontal area as possible to minimise drag penalties, especially for turbojets and low-bypass turbofans. When you get into turbines such as turboprops and turbo shafts (and some turbofans), the primary method of propulsion is external, i.e, thrust from the propellor or lift from the rotor blades. Hence, there is probably more of a design requirement to keep the power plant as compact as possible while frontal area not being so critical a design factor. As such, various layouts can be achieved, some of which can look the wrong way around, like the P&W Canada PT 6. But this means the free power turbine is at the front of the engine which is very handy for a turboprop application. Hope this hasn't confused you too much.
If you want a REALLY confusing airflow layout for a gas turbine engine, have a look at the Garrett ATF3! Someone was on some good shit when they came up with this design.
+2391jessie I don't think that is a fair comparison. The compressor is driven directly by the expanding gas just like a turbocharger. I am sure that there will be some debate on your question to follow.
That model is cool - now I can go show my mate who doesn't think a helicopter can land if the engine fails. I can prove to him that the power turbine is physically not connected to the gas generator :)
The power turbine is driven by the expanding gas from the combustion chamber. the PT through with a gearbox and transmission drives the main and tail rotor. Thanks for the comment, please Share & Subscribe.
How they build y2k from that engine I just want to see it that rotation from tail you said five thousand rpm, they put that engine motorcycle just the same way
jim saudi I honestly do not know where to get something like that, I was fortunate enough to have access to it as a training aid at the school I went to. Thanks for the comment, please share and subscribe.
He should be giving credit to the manufacture Alison that made this engine. It is a very very old, but still used engine on helicopters. The Alison C-250 and other versions are still great engine.
Alison is just the gear box , Alison is the inventor of the gear box that's used on Turbins , also the same company that makes the Abrams 1 tank transmission and the Alison Transmission on Duramax trucks and Alison transmissions on commercial Diesel Semi trucks . GENERAL MOTORS actually built these turbin engines . General motors got out of the business of building turbine engines and sold the right to the engine to Roles Royce . All the Data tags are on the right side of the engine . The hot section ( turbine ) the Alison gear box , and the compressor section .
i just subscribed to your channel. and thank you for schooling me on turbine engines. i really learned alot. and there is alot more i need to learn. so i will be looking forward to your videos. thanks!
discofishing If i get the chance to return to the school house where I know there is a T-700 display I will make video of it. Thanks for the comment/request please subscribe and share with your friends.
discofishing Let me do some asking around to see what visible aids are available and what is appropriate to put out there, so subscribe and stay tuned.
How come they didn't make it a flow-through design instead of routing the compressed air around and putting it in the opposite side of the engine the reverse way?
sc0tte1 we are not exactly sure why, but the is a conversation further down in the comments about why, check it out. Thanks for the comment, please share and subscribe.
sc0tte1 if I had to guess its because it would have not been a good setup for a helicopter. The engine would have been to long with a gearbox attached to it.
Pls answer 1. Which starts first N2 or N1 . 2. In which condition N1 starts first . 3.Main rotor RPM is 5-10% while engine n1 =77 % and n2==100% .Is that abnormal or just warm up before take-off .
@@supermanmatka6700 The N1 gas producer drives air to run the N2 power turbine. I don't understand your number 3 question. Generally the main rotor RPM for most 206 sits around 60-70% while at idle for warm up which leaves the N1 between 60 and 64%. The N2 and NR (Rotor RPM Tach) are married together so if the N2 is at 100% so is the NR. Hope that helps a little!
Yes and No depending on the year and model of OH-58 I suggest you do a google search on the differences and wikipedia has a good wright up on it as well. Thanks for the question, Please Share & Subscribe.
I have herd that they did that do reduce the overall length and make a more compact engine. If anyone else has a reason we would like to hear it. Thanks for the comment, please Share & Subscribe.
Samarth Jain There's 1 burner can in the turboshaft engine, unlike a turbo jet, or turbo fan that has multiple cans in an anular configuration around the shafts, If you center the single burner can between the compressor and turbine, it would be in the way of the shafts that connect the high and low pressure turbines to the low pressure compressor in the front, and the centrifugal compressor behind it. Also, it's easier to throw the air down the long bypass tubes then it is to have the air make a 90 degree turn into the burner can if it was located directly behind the centrifugal compressor, airflow is everything in a gas turbine engine. correct air velocity, pressure and temperature means everything. Also, having the gear box in the middle means they can center and balance the engine in the helicopter better then if the gearbox was at the end of the engine, if that was the case, you would have the engine poking out the rear or the front of the helicopter. I'm sure there's more reasons other then what I stated, but I'm tired and tired of thinking tonight. lol.
Brilliant demonstration, a lot better than others I’ve seen. Thank you
I’m in school right now for aviation ! Learning how to work on these and take them apart and this was absolutely the biggest help to me ! Thank you so much
Tell me... have they taught you to mix proseal??
@@uriahday747 yes they have , definitely smells like burnt hair to me
@@uriahday747 There should be a whole course section on this alone. Guys that eyeball that are ridiculous
That was hands down the best explanation of gas turbine engines
Thanks for the explanation! I rode a B-206 today, and I was curious to how the engine worked!
Glad it helped, please share with your friends
Awesome vid .. after 40 some odd years of auto mechanics .. I now understand the workings of gas turbine thank you !
One of the more interesting videos on TH-cam... I didn't realize that the reduction gears was such an integral part of the helicopter turbine engine.
+Afrocanuk There is also an amazing amount of reduction that takes place in the main rotor gear box. Most man rotor spin in a range of 230-600 rpm depending on the type of helicopter. Thanks for the comment please share & subscribe.
Thanks for posting. I remember those training aids from my time at Rucker in 03. Out now but moonlighting a few times a year in the B206. Good refresher!
I work on these and the 500's as part of our company fleet of copters. This was a fantastic info-video. Good Job!
Any idea if a 250 cutaway can be found for purchase?
Beautiful cutaway, excellent tutorial covering the basics.
I'd be very interested in you doing another video, using the same diagram, showing the starting sequence, the compressor stage, external compressor, etc and what chain of events occur in sequence. Great video sir, thank you!
I am trying to make one for the GE T-700 series. Thanks for the comment, please Share & Subscribe.
Would love to see it when you get it built. I love the Allison turboprop engine for airplanes.. amazing engines.. Small size, huge power.
Do you know what speed the final RPM of the Bell 206 is approximately? I know it varies, but stable lift, regular cruise rpm of the rotors? I know that an airplane prop, has about a 10:1 15:1 gearbox reduction on some aircraft, making final rpm approx 2200-2500 rpm.. However, helicopters have 2 transmissions I believe.. Reduction down to a base RPM of 2500ish, then down to 300-400 rpm final. I think this can vary quite a bit, but the engines have a basic cruise speed where they're most efficient. I guess this depends on every helicopter on the diamter of the blade, length of the blade, and most importantly, the magical tip speed of the rotor. I know it's extremely hard on any blade or rotor, not to mention noisy as hell, for the tip of the blade or prop to break the sound barrier, so they stay well below that speed.. But the actual final drive transmissions and gear reduction from 20,000 - 100,000 RPM in turbine engines always amazed me. Turning raw high speed whining turbine into a final drive output speed you can conceive..
I'd love to replace a twin engine Cessna 421b continental piston engines with Allison Turboprops... but the final cost is so staggering to do so, it's just not worth it. Would be an amazing conversion however.
Thank you so much, that make me know this engine is different from common Gas Turbine or general types. They designed the combustion chamber is installed in the back of the engine.
The best sounding start up engines ever. Great video
It's easier to understand seeing the real life engine, thanks for the video
Your profile picture makes me feel erect
You go to cook.
@@johncuervo3019 😏
@@domadordemacacos4147 could you do that for me? :3 I like when men cook for me
@@nikoljes8320 No problem, whenever you want and I can also make you happy :)
Thanks for showing us the intricate design of this engine ❤
How many fuel injectors are in the combustor?
Really concise and clear explanation - thanks for posting.
I've seen this video before, but this semester I took a class about GTE thermodynamic cycles / component design and now it all makes sense. Great video man. Thank you for your service to this country.
Glad it helped out. Thanks for the comment, please Share & Subscribe.
Well done!! Thanks!
Man, that's a whole lot of linkage to make that thing function. Thanks for sharing this!
Check out the newest one on the T-700 series Thanks for the comment, please Share & Subscribe.
Excellent demonstration Sir!
Isn't the "Centriphetal" compressor called a "Radial" Compressor?
Is this the engine they put on the y2k?
Perfect demonstration, just one question - where impeller comes in picture?
TY for your service Sir.
Thank you for sharing!
Thank you for this. Always wondered how the engine transfers energy to the prop.
Do you know who the manafacturer of this model is?
Awesom, I love how turbine engine works!
Do piston powered helicopters still exist? I read that during the Vietnam war, the H34 was used by the Marines and it had a similar payload and spec to the Huey however it was ultimately phased out. In light civil aviation piston engines are still common but not so helicopters?
Great explanation! I’m flying an aircraft using the Allison 250-B17
Thanks for the upload!
Cool over view of the engine and how it works, thank you.
That model is exceptional!!! I need one of those for my trade school kids!
Thanks for the comment, please Share & Subscribe.
I have got an assignment on the structural design of centrigugal compressors. really hard finding any help with that, anyone here wanna help me out with relevant info??
Wow this looks very simple. I wonder if newer engines are more complex.
RR-Allison 250?
How does the starter work? If it is electric, I bet it uses quite a bit of electrical energy to spool the turbine up to speed, to avoid a HOT start.
+Lloyd Morrison It is an electric starter and does draw a lot of amps. Most pilots will use a GPU to supplement the battery to help avoid a hot start, it makes a lot of difference in the start. Thanks for the comment, Please Share & Subscribe.
The turbine outlet temprature needle shooting on battery starts is a sight to see. Very intricate starting for jet ranger
Great video. Is it possible that you could post a picture of the engine?
Greetings friend ! How much it costs to buy an engine like this one or similar?
Great video mate, short and to the point
Lot of power out of 136 lbs and thanks for your service brother.
Sure is alot and to think how old the technology is where it is today. Thanks for the comment, Please Share & Subscribe.
Yeah it's really amazing. To think the SR 71 flew just a few years after the conception of jet engines.. Today's technology must be out of this world.. Hope we keep being the good guy.
So lobbyists existed back in the 1930's then?? Multi billion dollar turbo reciprocating engine contracts and maybe the fear of the technology being handed over.. I always thought Hitler had developed the first turbo jet.
You can explain the operation of the T53L13B engine
If i can find a display I sure can. Thanks for the comment, please Share & Subscribe.
Why is the turbine shown in the video different than your standard turbine you see in military planes? For example, Compressor, combustor, turbine, exhaust is in a straight line and in the video shown, the compressed air runs to the back of the turbine, and then forward. Why the difference?
Found this on Wki, and it swill does not really explain why. I will try to find out more from the guys at the flight line.
Allison adopted a reverse airflow engine configuration for the Model 250: although air enters the intake/compression system in the conventional fashion, the compressed air leaving the centrifugal compressor diffuser is ducted rearwards around the turbine system, before being turned through 180 degrees at entry to the combustor; the combustion products expand through the two stage HP turbine, which is connected, via the HP shaft, to the compression system, before expanding through the two stage power turbine; the exhaust gases then turn through 90 degrees to exit the engine in a radial direction; a stub shaft connects the power turbine to a compact reduction gearbox, located inboard, between the centrifugal compressor and the exhaust/power turbine system.
msfirefighter662 Maybe they used a reverse airflow because it makes the engine size smaller, lighter?
We were told by the instructor that the design was chosen because it was compact, i.e. The design allows the overall length to be shorter.
The layout of a gas turbine is usually dependant upon its application. The straight-through design that you described (comp, diffuser, combustion then turbine) is typical of a turbojet/turbofan design(though there are exceptions to this, especially for turbofans) since their primary propulsive force is derived from thrust from the engine itself. This usually requires as small a frontal area as possible to minimise drag penalties, especially for turbojets and low-bypass turbofans. When you get into turbines such as turboprops and turbo shafts (and some turbofans), the primary method of propulsion is external, i.e, thrust from the propellor or lift from the rotor blades. Hence, there is probably more of a design requirement to keep the power plant as compact as possible while frontal area not being so critical a design factor. As such, various layouts can be achieved, some of which can look the wrong way around, like the P&W Canada PT 6. But this means the free power turbine is at the front of the engine which is very handy for a turboprop application. Hope this hasn't confused you too much.
If you want a REALLY confusing airflow layout for a gas turbine engine, have a look at the Garrett ATF3! Someone was on some good shit when they came up with this design.
Thank you for serving
msfirefighter662
50,000 rpm is 833 rps turbofast can you imagine the engine at full speed rotating 833 rps?
What drives the compressor before combustion?
an electric starter just like most engines.
A great video, with great explanation, a video made to 100 percent under stand able. Keep it up. Thank u very much
Is the model actual size?
Yes, Please share and subscribe.
how much horsepower and torque does this rig produce
John Browning. The early Allison 250 (now Rolls Royce) put out about 250hp with newer versions pumping out around 700hp
Can it be described as a supercharged turbo engine?
+2391jessie I don't think that is a fair comparison. The compressor is driven directly by the expanding gas just like a turbocharger. I am sure that there will be some debate on your question to follow.
That model is cool - now I can go show my mate who doesn't think a helicopter can land if the engine fails. I can prove to him that the power turbine is physically not connected to the gas generator :)
Very clear explanation, thanks!
Glad it helped. Thanks for the comment and please share with your friends.
Nice! the best explanation.
Thank for that ...I have a understanding now of the functionality.
+Richard Graham Glad to have helped. Thanks for the comment, Please Share & Subscribe.
amazing that something so compact generates so much power. power output??
It depends on what model but the range is around 370-700 continuous HP. Thanks for the comment, please Share & Subscribe.
Is the power turbine turned by the air or is there a shaft that also moves the power turbine
The power turbine is driven by the expanding gas from the combustion chamber. the PT through with a gearbox and transmission drives the main and tail rotor. Thanks for the comment, please Share & Subscribe.
Thanks, nice comprehensive explanation.
Thanks for the comment, please Share & Subscribe.
How they build y2k from that engine I just want to see it that rotation from tail you said five thousand rpm, they put that engine motorcycle just the same way
Thank you
I really want to know how much horse power a helicopter engine has?
Mohamed Almubarak I did a quick google search and come up with this www.helicopterpage.com/html/specs.html
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Pls do one for a Lycoming T-53 L13
Thanks a lot for this absolutely amazing video.
But how does the compressor engine spin in the beginning ... I mean before the ignition ??
In this engine there is an electric starter motor. Thanks for the comment, please Share & Subscribe.
Thanks
are all those parts greased ? metal to metal bearings ?
Oiled, Thanks for the comment, please Share & Subscribe.
Great explanation!
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YAY for the Rolls Royce Allison 250. I really think it is really is a good and simple design, if a bit different from some of the competition.
Noah Diamond Thanks for the comment please share and subscribe.
msfirefighter662 where did you get this cutaway model ?
Great video thank you very much I was wondering how a jet engine transfers power to a drive shaft... Very helpful
vbot111 Glad it helped, please share and subscribe.
Great video.. million thanks for sharing..
how can I get like this engine for my student
412 and 212 engine and all the systems for both aircraft's
jim saudi I honestly do not know where to get something like that, I was fortunate enough to have access to it as a training aid at the school I went to. Thanks for the comment, please share and subscribe.
Great video Man and Awesome explanation of the process!! Thanks for the upload and for your Service!!
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He should be giving credit to the manufacture Alison that made this engine. It is a very very old, but still used engine on helicopters. The Alison C-250 and other versions are still great engine.
+Lorin K Thanks for the comment please share & subscribe.
+Lorin K Is that the same company that makes heavy duty transmissions? Alison IS Very dependable!
Alison is just the gear box , Alison is the inventor of the gear box that's used on Turbins , also the same company that makes the Abrams 1 tank transmission and the Alison Transmission on Duramax trucks and Alison transmissions on commercial Diesel Semi trucks . GENERAL MOTORS actually built these turbin engines . General motors got out of the business of building turbine engines and sold the right to the engine to Roles Royce . All the Data tags are on the right side of the engine . The hot section ( turbine ) the Alison gear box , and the compressor section .
Awesome cut away display! Where can I get one?
Not sure. Thanks for the comment, please Share & Subscribe.
So one shaft turns the other.
Have to say it wobe better to have a tripod mounted camera and zoom in ad out giving a more stable video.
very well done but this engine I assume is down scaled version of the real engine,
i just subscribed to your channel. and thank you for schooling me on turbine engines. i really learned alot. and there is alot more i need to learn. so i will be looking forward to your videos. thanks!
Can you make one of these videos for a T55 or T700?
discofishing If i get the chance to return to the school house where I know there is a T-700 display I will make video of it. Thanks for the comment/request please subscribe and share with your friends.
Are you a Hawk pilot? If so, can you do a video on the differences between A and L model 60s?
discofishing Let me do some asking around to see what visible aids are available and what is appropriate to put out there, so subscribe and stay tuned.
msfirefighter662
I subscribed. Found a copy of TM 1-1520-237-10 so I think I can do some research on my own.
Nicely done!
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Great video.
CheetaInsaaf Thanks for the comment, please share and subscribe.
How come they didn't make it a flow-through design instead of routing the compressed air around and putting it in the opposite side of the engine the reverse way?
sc0tte1 we are not exactly sure why, but the is a conversation further down in the comments about why, check it out. Thanks for the comment, please share and subscribe.
+sc0tte1 At a guess I would say it is probably for the same reason any thing is folded -to achieve a compact unit.
sc0tte1 if I had to guess its because it would have not been a good setup for a helicopter. The engine would have been to long with a gearbox attached to it.
Pls answer
1. Which starts first N2 or N1 .
2. In which condition N1 starts first .
3.Main rotor RPM is 5-10% while engine n1 =77 % and n2==100% .Is that abnormal or just warm up before take-off .
@@supermanmatka6700 The N1 gas producer drives air to run the N2 power turbine. I don't understand your number 3 question. Generally the main rotor RPM for most 206 sits around 60-70% while at idle for warm up which leaves the N1 between 60 and 64%. The N2 and NR (Rotor RPM Tach) are married together so if the N2 is at 100% so is the NR. Hope that helps a little!
Excellent explanation video
Thanks for the comment, please Share & Subscribe. Check out the new one on the GE T-700
I cant believe how tiny the#1 bearing is on these things......used to be an o/h technician
Great Video !!!
Heliflights Aviation School Thanks for the compliment, please share & subscribe.
Hey it's such a great videos with so clear explanation but yet I'm not shown how is the starter conected to the engine
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great job man ! Q: is it the same as a OH-58 ? RollsRoyce engine ?
Yes and No depending on the year and model of OH-58 I suggest you do a google search on the differences and wikipedia has a good wright up on it as well. Thanks for the question, Please Share & Subscribe.
My god its just so...so beautiful.
Centrifugal system after compressor 🤔
Tail rotor on that model goes to about 2500 RPM,Main Rotor about 500 RPM
stealhty1 Thanks for sharing some specs with us, please share & subscribe
As the gas turbine spin they are also attach on the same shaft to all those blue compressor turbines ( watch the video closely )
Dont think mainroter is 500 rpm. Its close to 324 or 340 dont remember exactly
First I thought the demo version was just a scale model but then you showed the real one and it was the same size.
+Maxim Chepelev You are correct it is full size, Thanks for the comment please share & subscribe.
explained very well thanks
+NvTwist Thanks for the comment please share & subscribe.
hey, great video!
just want to know why is the combustion chamber at the end and not after the compressor?
thanks
I have herd that they did that do reduce the overall length and make a more compact engine. If anyone else has a reason we would like to hear it. Thanks for the comment, please Share & Subscribe.
Samarth Jain There's 1 burner can in the turboshaft engine, unlike a turbo jet, or turbo fan that has multiple cans in an anular configuration around the shafts, If you center the single burner can between the compressor and turbine, it would be in the way of the shafts that connect the high and low pressure turbines to the low pressure compressor in the front, and the centrifugal compressor behind it. Also, it's easier to throw the air down the long bypass tubes then it is to have the air make a 90 degree turn into the burner can if it was located directly behind the centrifugal compressor, airflow is everything in a gas turbine engine. correct air velocity, pressure and temperature means everything. Also, having the gear box in the middle means they can center and balance the engine in the helicopter better then if the gearbox was at the end of the engine, if that was the case, you would have the engine poking out the rear or the front of the helicopter. I'm sure there's more reasons other then what I stated, but I'm tired and tired of thinking tonight. lol.
I was thinking of making a flying motorbike using that engine !
very nice
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Great video, very informative.
Troy Harris Glad you enjoyed it, please share & subscribe.
Cool video... Thanks...
+Mac Anix Thanks for the comment please share and subscribe.
From what I've seen so far, the big concern for me is always going to be Compressor Stall!
Life is so shorts to do what you want and make your dreams,
Great video, very informative
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What's your MOS? thank you for the vid.
I'm gonna ship out Jan 2nd as a 15B.
Your video is what i really wanted to see
He is a Weiner washer
@@johncuervo3019 That was not very nice! He was simply following instructions. :-) It was a nice video explanation besides.
Nice Rolls-Royce engine.
nice, please make more videos
Trymore Kefasi Thanks for the comment, please share and subscribe.