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by Doc j
Mon Jun 15, 2020 4:19 am
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Re: Ideas for biodegradable cannon-balls

Make molds with gap sealer silicon mixed with cornflour makes a putty B4 it sets.

Maybe this, wat put into Mold.
But it shrinks a bit I think.

by Doc j
Mon Jun 22, 2020 10:17 am
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Re: "Sabotless" Semi-Automatic Shotgun Concept

I was having a bit of a think about this idea and it seems it could be greatly simplified and also made more efficient: https://i.imgur.com/Csm81PX.gif The piston itself becomes the hammer that opens an inline balanced valve. Sorta thinking out loud. Piston be generating air infront of it, as heade...
by Doc j
Fri Jul 03, 2020 8:43 pm
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Re: Confused. Cylinder chamber to barrel ratio for compressed air.

If you have the same air volume and the chamber is 1/3 the volume, the pressure will increase by 3x. https://www.omnicalculator.com/physics/boyles-law Interesting to note. Apllying my reasoning, punch into calculator. As cylinder reduces in volume. increases the pressure to compensate for The loss ...
by Doc j
Thu Jul 02, 2020 12:03 am
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Re: Brass as the foundation of a projectile?

How would hollow cylinder and sabot go.
Someone's thought about it.