Nope, its on hold. Actually, I was radically redesigning. I will post more designs within a day or two. I have been thinking about the slide (sleeve) valve, and how to improve. Specifically, a response trigger. When this type of trigger is depressed, it fires and rebounds, pushing itself into an "at rest" position. All you have to do is maintain finger pressure against the trigger for full auto. Basically, the trigger moves back and forth by itself very rapidly until you let go.
Update time. I have been thinking about the sleeve valve 3-way trigger. Here's a picture of the normal sleeve valve, where the pilot air exhausts to the atmosphere.
What if this air was harnessed? It could be directed to pressurize the helical mag, cycle a bolt, or achieve (almost) auto fire. If you are familiar with paintball, a response trigger is similar to a normal one, except that it pushes back against your finger after it has been pulled, in order to reset itself. AS long as finger pressure is maintained, the trigger moves back and forth rapidly, making for a near-auto rate of fire. This is used as a loophole in some field's "no automatics" rules.
Here is the spudders equivalent. See any problems? (Exhaust tube needs more surface area?) Has this been thought of before, and I am just ignorant of it?
There are enough plans on Spudfiles to keep you designing for about one year, you should start with a simple concept and build it. You can always modify it with new internals, I have the problem too that I design more than build .
G's from the Dutch, Tom
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