200 Dart Per Second Nerf Blaster - Part 2
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- เผยแพร่เมื่อ 5 พ.ค. 2024
- This is the world's fastest Nerf dart blaster! Capable of firing at a rate of 200 darts per second, this terrifying creation can make a real big mess of darts in a very short amount of time.
The blaster uses 2 ODrive M8325S motors and 2 ODrive S1s, each controlled with a Teensy 4.1 running Arduino.
Check out part 1 here: • 200 Dart Per Second Ne...
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Want to see this thing fire in person? I'll have it at Open Sauce June 15-16!
Want to see this project get more elaborate and more insane? Support me on Patreon! patreon.com/TheProjectBox
Im no engineer but it wouldn't it be easier to move the plastic sheath instead of the drum?
Insane work dude!
And never forget to say free Palestine ✌🍉
AUTO RELOAD WOULD BE SICK
No I really don’t! 👍
See you there!
I like the form factor. It’s like you’re a slot machine and your target just won a jackpot - of pain.
Glad you like the design! Really big fan of your projects btw, they've inspired me quite a bit.
Hey it's the "14 year old"
Holy shit it's stuff made here! What a neat crossover!
Mans built a dart pressure washer
Fr lol
😂😂😂😂
i ain't gonna lie, out of all the engineering youtubers out there, this is the only one of seen who actually uses math to solve there problems instead of just winging it. keep up the good work.
It would be nice if that resulted in getting consistently better results on the first try, or faster debugging, or something. But, IRL, it's often faster to tweak and bodge things rather than work through all the theory and set up extensive testing to see why part as designed doesn't match the maths.
@@Brainstormer_Industiresyeah that’s true but this is more fun to watch
Pshaw! didn't you see William Osman's video about the torque wrench? :)
Mars Rover next please
Seems mostly like a software engineer. I think he’s missing some mechanical engineering background.
The next logical step would be to put it on a turret, with some form of auto-reloader for burst fire. Awesome work
I'm definitely leaning towards an auto reloader and a turret. It would be so much more terrifying than my previous turrets haha
And a couple thousand round mag
@@pb.projectbox*ding* "the military wants to know your location"
I don’t think an autoloader is necessary, but decreasing darts/second to 50 and increasing mag size to 150 would make this overpowered.
[more gun starts playing]
Is it practical? No. Is it efficient? No. Is it robust? No. Is it awesome as fuck?! Fuck yeah! Love these kinda projects!
I don’t even have words for this 😂 incredible! I don’t think I’ll be able to top this rate
Not with that attitude!
If possible I would say find a way to increase the capacity. 200 darts a second for .25 seconds is awesome. 200 darts a second for 2-3 seconds would be even cooler.
With the current design, two seconds would require making the drum 8 times longer, it would look ridiculous and probably cause a tonne of issues.
He didn't load the drum to capacity for the 200/sec test. He shot 50 in that test, but had other tests with over 80, and I don't think that was even full capacity. So, only like 3 or 4 times larger.@@bacon.cheesecake
@@Brainstormer_Industires Oh yeah, forgot about that, still pretty ridiculous, but quite a bit better
Increasing capacity would be a bit more difficult and expensive. I'm right at the limit of my printer's build volume and longer 6mm rods are quite pricey. 2-3 seconds of firing time at the rate might make it worth it though...
@@pb.projectbox I wonder if feeding the darts with a belt would work at this speed. That way you could just print sections and chain them together for however many darts you want.
Another maker paid off by the big dart lobby
Accuracy: ❌
Spray control:❌
Fire rate:✔
And I wouldn't have it any other way
Accuracy by volume
I think the best future upgrade would be better reload-ability. There doesn't seem to be a particularly good way of doing that with the current design so my best idea is a very large quick-loading clip. Maybe a snail drum that you manually turn to inject all of your darts at once
Yeah reloading this thing takes quite a while haha. I've been playing with different ways of doing it for a while, so that'll probably be my next focus with it.
@@pb.projectboxMaybe try to find a way to make it shoot Rival rounds and have a bunch of clips feed into the area below the drum, and make the drum move back and forth instead of just moving one way so that it uses the full clips
Yeah, but you probably could have gotten 250/sec with some lube 😂 But in all seriousness, I love watching projects that require some real problem solving to finish. Really impressive the number of times you hit a wall and could have given up, but you finished it anyway. Looking forward to the next project, whatever it is!
dry lube would probably actually work, could get messy tho.
around 25:20
the energy doesn't increase exponentially, it increases with the square of angular velocity.
Yeah, "quadratically" is the right term for this.
Yeah I saw a square and just assumed it was exponential, my bad. Thanks for pointing that out!
@@pb.projectbox all good Mate,
Incredibly impressive project
It's just a pet peeve of mine
Happy too see those SimpleFOC shields in action 3:16 😉
the smile you only get from a pointless project realised - Excelent!
To reduce friction you could perhaps use lead. In certain alloys of steel, lead is added to reduce friction when cutting, and in a gun the entire projectile is made out of lead in most cases. If you added lead to the outside of the dart it would greatly reduce friction. I hope to see this incorporated into the next design.
Lead has no bearing on friction in a firearm, simply because any kind of firearm using smokeless is driving the round too hard for lead to survive. It melts and gums up the rifling which is a problem we solved in the late 18th century by wrapping bullets in copper. If you want to reduce friction, use what everyone uses and use brass fittings as they tend to slide a lot easier along metal surfaces. Adding lead to the dart kinda defeats the point of it being a nerf gun.
Awesome work. Know the math pain a little too well.
Fair bit of spread and tumbling currently. Maybe add a short barrel for better accuracy? Or twist the firing motors a few degrees off the plane to put some spin on the darts as they're getting accelerated?
Yeah the simple rollers I'm using don't work that great. I'm thinking about replacing them with something from outofdarts.com or somewhere similar. They've got multistage brushless flywheels and even barrels with bearings that put spin on darts.
Definitely super cool! I would love to see it actually shoot 200 darts to verify the currently just extrapolated 200 darts/second rate.
You're destined for greatness, Ethan!
I love projects like this - no specific use case but you had an idea and ran with it.
I wonder if Nerf Rival rounds lend themselves well to these projects? I know they make cleanup a HELL of a lot easier.
Amazing build as always, and MAJOR props to you for doing all the proper math and whatnot!
I love the tests at 21:20 they make me think of a dog eating a bunch of darts then pooping them out.
Oh there you really shattered my record (BTW it was 100 darts per second, I made a YT video about it), kudos!
I am looking forward to seeing your thing firing on Open Sauce - I will be there too with my MOAB. Maybe we could make a little Nerf war there? :D
Hi! Your MOAB and 3DPrintedLife's blaster are actually what inspired this project!
We should definitely do a Nerf war there, we'll probably get the record for the quickest fight with the most amount of darts haha. Cleanup would be less than ideal though...
@@pb.projectbox "fastest time to get 200 hits in one nerf war" ;-)
Very cool. I appreciate all the detail commentary you put in this video. Very cool and I would’ve never dreamed of how much work, testing, rework, more testing, and more testing and more testing it took to do this. Cheers.
1000 DARTS PER SECOND?????
Gau-8 Nerf edition
oh hell yea, ive been checking your channel every other week or so!
I really appreciate the engineering approach where you try to math out everything, instead of just yolo adjusting things without a plan.
*takes the piss out of the comments section for 2 minutes solid* "keep them coming"
18:53 ahhhh the sweet sound of blheli
I think something that would improve this would be to increase the velocity of the darts. The first idea I got that could work would be to do something similar to Dyson supersonic, their bladeless hair dryer. Imagine using that concept but sized for nerf darts and using compressed air or a stronger fan to shoot the darts through the ‘nozzle’ and accelerating them. The biggest problem is probably that the darts would be pretty unstable but I think it could work
I'm pretty sure Malachi needs his own youtube channel.
Agreed
Man, that was a lot of work, this channel deserves more followers!
You could add a BCAR (bearing SCAR) to increase the accuracy......... it's a relatively new part of homemade nerf blaster tech that uses bearings mounted on pins directly after the flywheel cage to increase the accuracy. On flywheelers it's it's better to have it be straight instead of adding spin like on a springer. Awesome project and some impressive engineering that went into this.
This NEEDS a turret follow up!
That was absolutely incredible!! Id love to see it with an extended magazine, and definitely on a turret!! This thing fires like an anti aircraft gun its insane.
YES! I've been waiting for this, glad you got it working!
Add a barrel and a bearing SCAR (bcar; look them up - for rifling) and this thing is basically the fastest flywheel nerf blaster
Wow, first 30 minute yt video i’ve watched start to finish in a long time. There’s an extremely small percentage of creators that make content that’s this well documented and engaging. Great job and excited for your next build; super inspiring
Thanks, I'm glad you liked the video!
Extended or removable drums definitely
Add two (or maybe even more >:) stages to the fly wheel for those FPS
Maybe a BCAR? But the spread kinda makes it fun
I've been eyeing some of the stuff on outofdarts, especially the multi stage flywheels and that BCAR. A tight fast moving group of 50 darts would be terrifying haha
27:04 : you could also just flip the polarity of the optocoupler led around, this also inverts the signal
That could have saved me some time haha. Thanks for the tip!
@@pb.projectbox You are welcome. and by the way, super cool project!
The way it just shits out the darts is incredible. I can’t put it any other way.
Haven’t watched yet but I absolutely love the novel form factor you have. Excited to catch the first one and here to see how you got here. Very impressed!
A auto loader would be really cool to see and probably would save you time when using high capacity versions
4:33 man, put a bearing in the moving screw, that way the motor that needs to rotate the magazine, can rotate freely, and you can still move the the screw independently.
To make the bearing move along the screw, attach the bearing to the wall or the magazine rails, that way the inner part of the bearing wont rotate with the screw I think.
Well done dude!
This is awesome, I hope your channel grows, you really deserve to be up there eventually, if this quality continues, with stuff made here
he should now make a way to store a whole lot more darts, and make it battery powered too
Really cool. More darts, like thousands. feed it from a back pack.
Sweet video, and I like how you stuck to science. I can't wait to see what somebody comes up with next. I really like the belt fed ones because its more usable. I love to see you tackle that.
you should add a motor to the barrel wheels, like a hotwheels car accelerator, and pitch the wheels so that they add some spin to the dart and hopefully accelerate them a little as well
I think the first thing to do would be making it reloadable by magazines (likr filling the drum.automatically) and increasing the length of the barrel to make the shooting itself more accurate given the humongous spreat it has atm
Awesome video. Really enjoy following the journey.
That laugh at 24:50.
Keep it up! Not many channels of this caliber out there
That's pretty cool 😄 Next up maybe try have it auto reload from a hopper somehow so that you can fire bursts more rapidly?
Love the unnessecary complexity of this thing😂. It couldve been solved mechanically so easily, but you just commited to this overly complex beast.
the objective of more darts/second is to inflict maximum damage.
the darts need to go faster.
(this is acc rlly impressive)
You should work on reloadability and accuracy in the future. Would love to see an easy to use nerf minigun from this!
Easy hack: A longer barrel should dramatically increase the accuracy and amiability.
I think you should add some sort of barrel system. That would make it so much more accurate but dont know if darts would get jammed or not. Would be interesting to see. Cool video and awesome work
I think it would be pretty easy to adapt existing nerf blasters that the nerf modding community uses. There are multistage rollers and rifled barrels that could truly make this thing insane.
Incredible job, that's peek engineering, congrats
Honestly I think 200dps is well beyond the limit of practicality, altho you're clearly not really going for that with this kinda form factor lmao. Very cool project none the less
Not Guna lie I was hoping for a mechanical answer like your first version but it's cool to see you hit the 200 rpm marker
As you are essentially taking a tube and wrapping it around a drum, just take a straight tube long enough to hold all the darts and blow them out with a plunger accelerated with HPA. It isn't like you are using any wheels or anything to "fire" each dart other than momentum to "fire" them already so this would be no different and could get a much hither DPS.
Very nice work, the only thing you could do better is to fire 200 or more darts. We need to go bigger. 1000 darts the size of cars firing at 300 darts a second!
MOAB- fastest firing
This - fastest turret
Very cool and impressive! Though I have to say, I'd have wished it'd fire 200 darts in one second, and not 80 because of the limited magazine. If you can accelerate them even faster that'd be really cool too! Still, loved the video!
I was so excited to see this notification
Great work! I hope your channel gets the attention it deserves soon :)
Thank you very much!
Id love to see what happens if you tie all the darts together with string to make one loooong dart!
i dont think that this record will be broken for a while XD
Adding a small barrel would most likely help with accuracy
Wow, that's seriously impressive. Would love to see you and SMH.
First homemade Nerf CIWS
Wouldn't it be easier to move the plastic cover thing instead of the drum?
lubed darts is a bad idea because it would likely reduce dart velocity
so run sticky darts instead and a higher motor rpm, obviously.
Really neat design, but not really a " blaster", more like throwing with help of a pitching machine. Love to see you make one that uses compressed air like the darts are designed for. But still really like what you made.
To increase the fps and accuracy of the darts I think you might need a longer barrel, which seems like it could pretty easily be modified to fit your design. The end barrel now is already relatively flat it could quick detach on / off of a longer barrel with some tweaks
They shoot really hard out of the muzzle as is, if you attached a longer barrel they would move through it quickly enough for them to reach additional boosters? within the added length possibly more drone motors at increasingly ramping speeds? or possibly compressed air as a booster? If you combine the speed you have now with longer barrel / more fps in a turret form it could be both 200 darts per second and have an extreme range
Add an "Darts-Accelerator" and a Barrel! (too shoot and not throw :D )
You could add high pressure auto loader, a magazine so you can fast refill it
I'd love to see you reaching out to people who embody the nerf hobby like Out Of Darts or Captain Xavier so they can help share your creations with those that are passionate about the hobby. Together you can bring the two sets of expertise together and help create something truly brilliant and practical/
I invert pwm by using a larger pwm…basically pass 50% and the signal is essentially inverted the other way. (Assume 8 bit pwm) for 0 I would use 255 and that inverts it. 128 would be center point at 50%.
I would turn this into a CIWS style of weapons system. I would put the barrel for the ammo on its side.
Why doesnt this guy have a million subs :D
could you load plastic balls into it instead of darts?
If possible asding a short riffled barrel to it could potentially increase accuracy a ton. Also modifying the darts by adding a bit of medal to the inside to weight them down a bit would also help that.
if it would be possible to do that, ontop of makinf this thing longer to accommodate 1-2 seconds of firing,
the end result would look even more incredible.
"It costs 400,000 dollars to fire this weapon... for 12 seconds"
it over shoots your stopping point because the black wheel thing becomes a nut on a bolt so to speak the screw slows down stops and then changes direction and in that slow-down stop time the wheel is faster and winds down the threads of the screw causing it to overshoot the target stopping point
worker bamboos to reduce friction
That is indeed very complicated shotgun
incredibly awesome, some way of increasing the ammo capacity would be really cool :)
you know those walkways some airports have where the segments are stacked side by side when you step on and then slide so they're closer to being end to end to increase the speed? i wonder if that principle can be applied to make a loader..
What do you mean using an inverter chip to invert a signal is messy? That's exactly what it's made for!
On the contrary using a microcontroller to invert a signal is messy overkill and I'm glad you gave up that idea.
ah yes pary the platypus you have discovered my throw a handful of darts-inator
its "Burst" fire is so fast it's practically a shot gun xD
Yes
Could've just connected the transistor output of the optocoupler to the high side with a pull-down resistor. Sometimes the best solution is the simplest.
I only used that inverter because that's all I could think of. I'm not super experienced with designing/messing with circuits. Thanks for letting me know of an easier way of doing that!
extra capacity. Holding 200 dps for an extended period and using it like a chaingun!
Have you considered taking your newfound rotational dart barfing power and making a bouncing betty?
Great project! But what about portability? Is it possible to slap on a big battery instead of a wall plug?
And for the reloading, maybe you could make another magazine and use some sort of keyed slot to connect to the motors. That way they would al be the same. Then the loading would be like the rocket launcher from halo.
Would love to see 300 per second and also a larger drum capacity
300 darts per second would be sweet and terrifying at the same time
Maybe I'm nitpicking, but having a bag to catch the darts during testing would have probably saved a LOT of time.
I won't disagree with that haha
okay so maybe not the best hand held device like the MOAB. but perhaps, it could make a great Burst-Fire turret of some kind
what about to drive the central screw drive, attach it to a reverse planetary gear setup with a clutch? 3d printable and might be able to reduce the multi motor setup?
That was my first thought for this, but I decided the flexibility of using two motors instead would be easier to design. Plus I wanted to learn more about coordinated motion with multiple motors.