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by jackssmirkingrevenge
Mon Mar 13, 2023 9:49 am
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Re: "Offtopic-posts-topic" NSFW

Even though it's my bread and butter, my personal airsoft gun collection has never been extensive. I recently found an old (probably made in the early 2000s) Tokyo Marui MP5SD6 however, and to scratch an itch turned it into a 30 round per second CQB machine, complete with the latest in bluetooth-con...
by Pennywise
Fri Oct 06, 2023 5:20 pm
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High pressure 50cal rifle

I posted some time ago showcasing a high pressure 'Toolie' style valve I built out of stainless steel. This is the progression of that project. I'm sorry for making a new post, but I figured it'd be easier than modifying my old one. Feel free to move this if needed. shown below is the valve assembly...
by Makeshift_Marksman
Sun Oct 01, 2023 8:56 pm
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Homemade semi-automatic pellet gun help.

Hey guys currently I have a smei auto airgun operating on 200psi with a 3way 2 position valve, qev and dump chamber with a electric solenoid to chamber rounds. currently im using an esp32 to time the valve on and off for 10-20 milliseconds. For some reason i can get the valve to turn on and off quic...
by jackssmirkingrevenge
Sat Nov 11, 2023 12:53 am
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Hybrid disk burst pressure effect on performance

One of the experiments I've done with this project to to see how burst disk strength influences performance. Intuitively one would tend to think that the stronger the disk, the higher the pressure it will burst at and therefore the better the performance will be; this might be true of a pneumatic bu...
by jackssmirkingrevenge
Thu Nov 09, 2023 12:26 pm
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Mini Hybrid II

It's been over a decade since I first made this project and almost as long since I dabbled in hybrids so here is a recent project along the same lines: 20231108_233649.jpg Nothing particularly special about the design, chamber volume is around 34cc and it's currently fitted with a 490mm long 6mm bar...
by jackssmirkingrevenge
Thu Nov 16, 2023 1:10 pm
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Re: Mini Hybrid II

I made a 0.177" barrel attachment for this thing, at a 20x mix it was pushing 0.35 gram BBs to just over 1800 feet per second :D that's 39 ft lbs of energy! https://www.youtube.com/watch?v=23-DWhJ0-MA The same barrel hooked up directly to the air cartridge at 2500 psi yielded 1143 fps, still impress...