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by KannonKing
Sat Apr 25, 2020 2:58 pm
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Re: New member... my baby, Big Red

I have not had any problems shooting with additional oxygen. I have completed calibration using propane and mapp, but have not had enough shooting time to test with oxygen. With plain fuel air mix I have achieved about 700 joules muzzle energy (only a 5' bsrrel, so chamber/barrel ratio is high), but...
by KannonKing
Fri Apr 24, 2020 10:26 am
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New member... my baby, Big Red

https://youtu.be/JKb0yTjrQd0 "Bolt-action" sniper with metered injection, mixing/exhaust fan, "12 round" mag. Thoughts? The barrel is what slides rather than a bolt, and when the breach is open, the checkvalve opens at the butt to allow 5 second exhausting of the chamber before reloading. In the vid...
by KannonKing
Wed May 27, 2020 1:39 am
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Re: Propane failing to ignite reliably.

I have to agree, using oxygen is a dangerous additive. If you are adding more than smidge, you're in danger if you finally get the mixture right and it ignites properly. Propane will only ignite between 2.5% and 9.2% by volume with air at sea level, so you may well be under fueling it. Get it all so...