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by mark.f
Fri Apr 03, 2020 8:21 am
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Re: Pnuematic Cannon Making Very Loud Noise....!

The valve is "honking", which happens when your pilot doesn't let out enough air and the diaphragm attempts to reseal itself rapidly. The included solenoid is usually very low flow, designed to pilot the valve at normal water pressure. Since air is compressible, you usually need more flow for your p...
by mark.f
Mon Apr 27, 2020 11:35 am
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Re: New member... my baby, Big Red

"pure oxygen" and fuel? Maybe you noticed the vacuum pump hidden in the battery box that evacuates the chamber before filling it with "pure oxygen and fuel". I didn't notice much of anything since you just posted a video. ;) You sound pretty smart, we just tend to get nervous when people post pictu...
by Moonbogg
Thu May 28, 2020 7:08 pm
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Re: Propane failing to ignite reliably.

The first good combustion cannon that I built was powerful enough to make me crap my pants and it worked reliably. I made it out of ABS plastic pipe, but many use pressure rated PVC. The way I did it was I first researched the designs here and asked a bunch of questions. Take a look at over-under de...