Combustion spudgun made of EU pvc

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
ozoncqp
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Sat Apr 04, 2009 2:48 pm

Ok I finally sold the parts to my inlaw, as I've found pressure rated pipes in the 10bar (145) Psi area. This looks like the stuff you guys use with the thick walls etc.
The good thing is, it only ups the total price by 21$, but better safe than sorry eh ;)
And the drainpipes i wanted to use at first, is more than fine for spray n'pray. So my inlaw wont blow up.
The manufacture is Plasson in case it matters. So one last question so we can close this thread and hopefully open one in the showcase soon.
Here goes, I need a reducer from 110 > 75 mm but theres 2 kinds available. Pretty much the same price but which would be proffered?

Image

The illustratings are not in proportion afaik.
I didn't want to multipost, but the other post would get very messy I thought.
/michael
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Biopyro
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Location: UK

Sat Apr 04, 2009 2:54 pm

Whichever you prefer the look of. The cone-shaped one can also fit inside a 90mm fitting, but you don't need that functionality, so either is good.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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STHORNE
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Sat Apr 04, 2009 4:35 pm

that's a lot of tape :lol:

Nice build!
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