gameytaste?
P&Y Buck
Posts: 1363
Registered: 1-30-2007
Member Is Offline
Mood: ready to catch a large mouth bigger than last years
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Designing an arrow hand gun
Using scrap parts from work this thing is going to be crude but hopefully effective. Instead of using bow type instrument for my tension I am using a
compression spring. This greatly reduces size. The spring I have picked is about 7” long and when my ~170# of body weight is on it, it is only
compressed around 1/3 of its compression. I can only speculate what the poundage is at full compression.
I have a way, not that fast but gets the job done in about 10 seconds, to compress the spring (100% sure will work). A way to keep it from blowing
its self apart when fired (about 90% sure will work), but not sure how many shots it can handle.
Instead of a string there will be steel holding a steel pin to notch the arrow. Plan on using a foot long piece of 5/16 steel hydraulic tubing for my
bolt. I think this is about the right size for a field point. Figured this would make a cheap one shot bolt. Do not what to buy any commercial bolt
because I do not think they will hold up to the launch. 100% sure of that, unless there is something out there I do not know about.
Now for the trigger, this is where the design gets a little……………. iffy. It is a fixed trigger not allowing for partial retraction of the spring for
test (about 50% sure will work). But no worries have two safeties. One is the safety, which if the trigger is done wrong will become the trigger.
The other is a stop to keep the spring from traveling to far.
The only things left are designing the rail for the bolt to launch from. I know length is proportional to accuracy but my methods are crude and I
want to keep it about a foot. I do not have high expectations at this point and hope to keep it in a paper plate at 20 yards. Besides that I need a
bushing but I think I can find the material to make it from Grainger. And a couple items from Carr Lane Mfg. for my force dampener and I can start
piecing this beast together.
Well and time to do it.
My wife says that since she loves me she will set me free to go bow hunting. If I come back I am hers……….that is a big IF!
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MO_Hunter1
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Can't wait to see some pics, Gamey. MAKE SURE TO WEAR YOUR SAFETY GLASSES AND PROTECTIVE GEAR WHEN YOU START PLAYING AROUND WITH IT!!!
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Jeremy
Forum Moderator, SMO Pro Staff, Youth Event Coordinator
Posts: 3617
Registered: 12-20-2006
Location: land of big bucks and old gobblers
Member Is Offline
Mood: too long till deer season 
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sounds....ummm..dangerous
Give a man a fish and he eats for a day, teach a man to fish and he'll sit on a boat and drink beer for days on end
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carnivore
Super Moderator
Posts: 7661
Registered: 3-20-2006
Location: ParkHills, Mo.
 Missouri
Member Is Offline
Mood: any better I\'d be twins
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BE CAREFUL !! Chris may be more up to speed on homemade weapons, but ya might want to check on federal laws..
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