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A Dream Came True: Home Made Full Auto Crossbow! - playithub.com
Published: 2 months ago By: JoergSprave

By: JoergSpravePublished: 2 months ago

1, 875, 610 views

38, 599 Likes   256 Dislikes

When you make non gunpowder weapons at home, you are usually restricted to single shot contraptions or manual repeaters at best. But of course the ultimate goal is to build a full auto machine gun style weapon!

That is by no means very easy. Muscle powered weapons are simply not quick enough for a true Brat-a-tat action. Gas powered engines are too heavy and clumsy for a portable weapon.

Of course there are modern battery drills - plenty of torque in small packages, lightweight and affordable. It makes sense to use those as power sources. But how to turn rotational motion into a linear cocking process?

We finally, at last, had success using a rack and pinion mechanism. The wooden gears had to be reinforced with massive aluminum for a reliable operation, but the result is very convincing.

It is a reality - true machine gun feeling!

Now on to optimization.

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A "The Slingshot Channel" production.

Patrick Donohoe
'Patrick Donohoe' 9 hours ago
Joel this is so effing awesome! you have outdone yourself, sir! in fact, I'm a little worried that you've painted yourself into a corner here, mate. how can you possibly top this?! idk, but I can't wait to find out! keep it up! if you can! lol
Santino Vaccariello.
'Santino Vaccariello.' 13 hours ago
This guy is awesome. You have gained a new Sub.
smcfadden1992
'smcfadden1992' 14 hours ago
dont make it bigger make it smaller
MrBoho7
'MrBoho7' 14 hours ago
This guy is terrifying but I love him
Zule
'Zule' 15 hours ago
German technology.
What you didn't mention was how much power it has. It looks like it you could take down a small bird or possibly a mouse or rat?
Enjoyed the video
Derek
'Derek' 16 hours ago
big man could prob carry around a ford engine attached to crossbow .
mg42sd
'mg42sd' 17 hours ago
This guy is like mixing Arnold Shwarzenegger, McGyver and Silvester Stalone. It is just awesome!
Petres112
'Petres112' 23 hours ago
The real german laughs when he can tatatatatata xD Joke dont be mad or sad man :D
hengineer
'hengineer' 1 day ago
make it compound for better draw power
Master of Suicide
Absolutely Lovely creation :D
SARATH MENON
'SARATH MENON' 1 day ago
happy guys make awesome videos... well done
John-Albert Guy
'John-Albert Guy' 2 days ago
You haven't lost it Joerg...you still have that creative edge...WTG...
Byron Riblet
'Byron Riblet' 2 days ago
Are you Tyr?
Juan Otero
'Juan Otero' 2 days ago
you are a genius. I love your channel there is always something interesting on it
mamba nero
'mamba nero' 2 days ago
troppo forte ahaha contro i vampiri.
meatfactory
'meatfactory' 2 days ago
u need a gear system to remove the drill from the side and move it to the back
David Coats
'David Coats' 2 days ago
I could use this automatic cross bow on a hog hunt
Warrior Wombat
'Warrior Wombat' 2 days ago
Now that is a piece of kit, I like almost all of your stuff, but this is something else, and I congratulate you on Nm2, none of that " foot pounds " nonsense, that's only for who don't know what they are taking about, proper Engineers use proper Engineering.
MattOutt65 Wallace
oh my god when he said John dear engine my first thought was a fully auto ballista
Cunt Crusader
'Cunt Crusader' 3 days ago
Please make an automatic ballista
Oscar Hollywood
'Oscar Hollywood' 3 days ago
please make a john deer engine one firing javelins lol
Joshua Vincent
'Joshua Vincent' 3 days ago
MWUAHAHAHAH, LET ME SHOW YOU IT'S FEATURES
Tcharles Rafael
'Tcharles Rafael' 3 days ago
imagine this with explosives bolts.....
Tcharles Rafael
'Tcharles Rafael' 3 days ago
o.O + o.O = O.O
Connor Wilcox
'Connor Wilcox' 3 days ago
Now you just need Havel's armor and a dark sword for maximum scumbaggery.
SiLeNCel2
'SiLeNCel2' 3 days ago
251 vampires don't like this.
Dustin Cordell
'Dustin Cordell' 3 days ago
Leonardo devinci beat you too it bud
JOHNNY LONGSTROKE
'JOHNNY LONGSTROKE' 3 days ago
Fantastic! Sir ... You are the best.
STOPCHEMTRAILS Fred
I like this! ahah
yoshi lorak
'yoshi lorak' 3 days ago
You just earned yourself a subscriber.
Constantine
'Constantine' 3 days ago
why dont u try to make this more good-looking?
Maybe by removing the drill and use only the motor of it. Place the button in the right place like a trigger. That way u will fix the balance, the mobility and the appearance of the project. U could also place the magazine in the bottom so u can adds sights on the top area.
imagine how massive that would be if it hadnt any tires and was working as a compound crossbow. But i understand that u work with tires :)
Great idea and good job. i always enjoy ur videos. :)
jack nichols
'jack nichols' 3 days ago
I LOVE HIS PHRASE !!
jorg:hey lady
woman:hello jorg
jorg:want to see my package?
woman:wow what can it do?
jorg:LET ME SHOW YOU ITS FEATURES!!
Nancy James
'Nancy James' 3 days ago
YAKMAN HERE !!
I THINK U HAVE A LITTLE ABERT Einstein IN YOU , BIG GUY !!
I LOVE IT !! IF Decided to sell these, You would become a billionaire !!
Just think of it. You just Made a quantum leap ... I'm just saying. Thinking outside the box. No more guns no more ammo. Someone tries to break into your home. And you pumped him with a whole clip of those bolts 😲
OMG !! 🙀🙀👍🏻👍🏻..
YAKMAN OUT !!
Mateus Gonçalves
'Mateus Gonçalves' 3 days ago
This is like the mechanism of electric auto airsoft gun.
brilliant rachmat
'brilliant rachmat' 3 days ago
his laugh is so ironic
Darth Karnis
'Darth Karnis' 3 days ago
Mr. Sprave, you are a mad genius.
mo sheikh
'mo sheikh' 4 days ago
isnt this the guy who shot himself
Enrique Correa
'Enrique Correa' 4 days ago
Nice job.It works very well.
Ironmonkey103
'Ironmonkey103' 4 days ago
"Damn, This would be so fun in Liberal town.
Norman Roscher
'Norman Roscher' 4 days ago
Hallo Jörg!
Hast du mal daran gedacht statt des Akkubohrers den Anlasser eines Kfz-Dieselmotors und eine Autobatterie zu verwenden? Dann könntest du das Ganze auch viel stabiler (Metall?) und mit wesentlich stärkeren Gummis auslegen.
Banshee7248
'Banshee7248' 4 days ago
The mechanism is brilliant!
Eric Allard
'Eric Allard' 5 days ago
there isn't a single thing anyone could say that is negative about this guy he's just so jolly. like a German Santa Claus
Aaron ThePunisher
'Aaron ThePunisher' 5 days ago
Where in Germany are you from ? I am a Direct Decedent of the For-bearers / Founders of Manderscheid Germany . I hope to one day Visit ? I am an American from Texas . Have you ever been to Manderscheid ?
K O K O・ヘクマティアル
his accent and general mood give me joy in life!
Back Country Preps
sweet!!! but what the hell is a Newton meter? haha greetings from San Diego
madaoui merzak
'madaoui merzak' 5 days ago
😲
arconreef
'arconreef' 5 days ago
why not use a gasoline powered chainsaw?
TATERH8TER 80
'TATERH8TER 80' 6 days ago
i love his laugh
Fireworxs2012
'Fireworxs2012' 6 days ago
You just KNOW this guy has somebody's girlfriend chained to the wall in his basement....
Congo Bongo
'Congo Bongo' 6 days ago
Oh man: you rock big time!!..
Art Wood
'Art Wood' 6 days ago
You should make a "Speed Loader" magazine for it.
Sherab Tod
'Sherab Tod' 7 days ago
love that german accent :D
Azur
'Azur' 7 days ago
Awesome!
Bart Somers
'Bart Somers' 1 week ago
Really awesome creation! great video.
Pier-D. Sim.
'Pier-D. Sim.' 1 week ago
1 min through the video. Heard his accent. His laugh. Subscribed.
G4mmaLotus
'G4mmaLotus' 1 week ago
In Germany, you no shoot crossbow, crossbow shoot you, many many time. Gees, if the German army needs to cut down on it's army budget, they can just hire Jeorg to make all their rubber band powered death machines
TizzmantineUK
'TizzmantineUK' 1 week ago
Ah, you kids today with your techno music
samson galactis
'samson galactis' 1 week ago
joerg deserves a nobel prize
Kyle Dang
'Kyle Dang' 1 week ago
brings it to nerd war and wonders why people lay down when he shoots them
MrDuckbutter1000
'MrDuckbutter1000' 1 week ago
i like to hear him talk all day
MrPizzaNinja
'MrPizzaNinja' 1 week ago
Cameron rodway
'Cameron rodway' 1 week ago
I love his Laugh,hahahaha
rickcoona
'rickcoona' 1 week ago
another really fun looking project!
--Rick
Po Po
'Po Po' 1 week ago
just watching his vids makes me happy
grizzlehatchet1
'grizzlehatchet1' 1 week ago
awesome work! that thing is sweeeeeeet! look out zombie apocalypse im ready for ya!
MrArcher0
'MrArcher0' 1 week ago
I have watched this video 5 times straight and had an epiphany! You can actually double your fire rate. God I am excited about this one! The key to the problem was you saying that gravity was too slow...So I went and made the gun an over and under. Gravity doesn't matter due to the rubber bands! (Lol, I say this like it's no big deal) Crazy as it sounds,but one gear can drive two cocking sleds without any more modification to the gear ratio or the sled return time. Just imagine another top unit with a extra gear to change the direction of travel of the second sled from forwards to reverse like the top. The additional gear I think may have to stay in contact with the second sled. I haven't quite got the gearing figured out but it should be possible.
Demitrium
'Demitrium' 1 week ago
I can't imagine the encounter for the poor bastard that tries to rob this man.
This man is capable of and ready to turn a John deer tractor into a machine gun.
Kieransf T
'Kieransf T' 1 week ago
now you just need to make a larger mag PS how heavy is it?
Nightmare Bomb1999
This guy, can make a full auto rubber band gun, Me, can't even make a trigger that works properly
SirToby1076
'SirToby1076' 1 week ago
Abgefahren :-)
Bad Penny
'Bad Penny' 1 week ago
put a shield over the drill facing your target. If you must give them a broadside; put some armor on.
Alexander Richards
I LOVE YOUR LAUGH!!!!😂😂😂😂
Abhinav Girish
'Abhinav Girish' 1 week ago
Elon Musk on a budget
Turmoil
'Turmoil' 1 week ago
Goes full Heavy at the end. All he'd have to do in the end is yell "CRY SOME MORE!"
Der Meister
'Der Meister' 1 week ago
I imagine how he is killing a crowd of people making his "hahahaha". For real, you're cool!
Drosne Lochmir
'Drosne Lochmir' 1 week ago
This guy takes up Santa's Job and naughty children will exponentially decrease.
Simon Henriksson
'Simon Henriksson' 1 week ago
Crossbow Kelly.
Sharayde
'Sharayde' 2 weeks ago
Surely you could use a piece of tape, like what you did with the pencils, for a quick reload. You could fire all the shots, and probably reload within 30 seconds.....
Inertia Fox
'Inertia Fox' 2 weeks ago
Make it slightly bigger and use a weedwacker engine?
PlanetRift
'PlanetRift' 2 weeks ago
Full auto crossbow... yes please :)
bonjimss De guzman
'bonjimss De guzman' 2 weeks ago
this is the german mcgyver
WV591
'WV591' 2 weeks ago
So brilliant are Germans.
D.A. Jackson
'D.A. Jackson' 2 weeks ago
diagram to build it?
Brutalyte616
'Brutalyte616' 2 weeks ago
THERE CAN NEVER BE ENOUGH DAKKA!
But this is still immensely satisfying...
ik4sjov
'ik4sjov' 2 weeks ago
PLEASE JOERG! Try making a smaller bullpup version of this for arm mounting! maybe with af curved magasine for smaller overall dimensions!! would be so cool! BTW maybe the powerdrill could be deassembled so that the motor kan be mounted directly and the you could have the batteries in a backpack! Just an idea but DAMN it would be awesome! no matter what you do, I must also say, that I LOVE your work!
TheGarywilliams
'TheGarywilliams' 2 weeks ago
i like this guy he dose what he wants and has a blast doing it more people need to be this happy
Braxton Scherz
'Braxton Scherz' 2 weeks ago
Always entertaining! Thanks for posting.
Nikola Lutov
'Nikola Lutov' 2 weeks ago
Oh boy, will you make a great rapist! :D Or at least a serial killer... :D
Seiron
'Seiron' 2 weeks ago
The German army has changed.
NotSoDumb
'NotSoDumb' 2 weeks ago
How is it able to force load the breech but still have the bolt loose for shooting?
jonNH123
'jonNH123' 2 weeks ago
AMAZING. thanks for posting! :-)
John Smith
'John Smith' 2 weeks ago
Could you please make homemade paper bombs?
Tony Pfohl
'Tony Pfohl' 2 weeks ago
I love you man
VirtualSuperSoldier
'VirtualSuperSoldier' 2 weeks ago
Use a hand held radial saw where the trigger is at a 90deg angle to the action.
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