This design theoretically results in a nerf gun that is reduced in length by the plunger stroke.
Instead of having the plunger tube part of the bolt, which means that the plunger must be at least as long as the piston stroke just in front of the catch, I am using the gun body as the plunger tube. The bolt seals in the body with an O-ring and is worked back and forth by a metal rod the extends over the camber and barrel to a slot above the barrel. The bolt is only about 3 1/2 inches long and is made of a 1/2" PVC endcap and 3 layers of brass.
So far I have made the bold, plunger, chamber/barrel, magazine well, catch/trigger mechanism, and whatever you want to call the main body part thing.
Not bad for one day.
I still have to make the pump mechanism and the magazine, but I need a mag spring. Right now I am leaning toward a constant force spring from McMaster-Carr, but I'm open to suggestions.
MegothitinheadbydartMember Since 06 May 2004
Offline Last Active Mar 31 2007 05:28 PM
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