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Thanks, I've done my research and I do stay away from it whenever it's on. I never move the electrodes while it's on like some others people I've seen online do.

@@nocomment1212 do you mean for fuel or for the combustion chamber?

@@ruwyev181 combustion. It just seems the canisters would be a more convenient medium.

No, I like using propane tanks better because they have thicker metal which is more sturdy and they have more volume

@@ruwyev181 i get it.

@@nocomment1212 yes 10-15 foot pounds

This thing is simple so you can tell just by looking at the video and the description. wood, steel rod, a can, copper tube and some solder. The tools it used was a drill, something to cut the wood and metal rod and blowtorch to solder the metal tube and rod to the can.

@@bluf620 yes

@@ruwyev181 k thanks

Ok let me know if you want any more details

Patents are 5000-10000 usd, not cheap

@@jamesjross I probaly could if I widened out a slot for the fins

1 inch diameter

@ruwyev181 thanks for the fast reply. I just subbed to you because the stuff you make is amazing.

I’m not quite sure what you mean but let me try to explain. The long tube is the exhaust and the short tube is the intake. After ignition, combusted fuel is pushed out both ends. The exhaust must be long in order to maintain a vacuum (it “bounces” back) and to keep a bit of the ignited fuel/air to reignite the combustion chamber and cycle. The intake must be short in order to get rid of all the ignited fuel/air and draw in fresh air. I’m making the straight one rn and plan on making the Lockwood hiller eventually.

@@exoticloop thanks thats nice im making french pulsejet rn the escopette cuz its valveless

drive.google.com/file/d/1lWc3BpIyLo8OeSXykuOgTNuejqwChVcI/view?usp=sharing

@@ruwyev181 thank you

I hold from the sides

Actually i'm not totally sure. But i think it has something to do with the shorter than normal intake pipe which allows fresh air to get in even with less powerful resonance. Also the copper gas line that goes into the jet blows the propane into the intake and some air along with it due to venturi. I had to make the hole at the end of the copper tube the right size cause if it blew to hard or too light it wouldn't idle and be able to go to full throttle. But if you only care about full throttle the blowing of gas from the tube is insignificant.

When I took this clay cup out It had a few cracks but could hold water well. Idk if its my kiln or my clay that made it crack because I got my clay from a creek so I don't know its qaulity. How well made do you need your pieces?

The link is in the pinned comment

Yes you have permission. Thanks for using my design and helping others with it. I'd love to see it. I'm not sure what you mean by oilpan.

Thank you, @@ruwyev181. What I meant my oilpan / oil-pan / oil pan is: In an engine, there's a "pan" that holds oil near the bottom of the engine. I think the crankshaft and connecting rod get some oil on them when they are at bottom dead center, and splash a little on the piston and cylinder walls (not 100% sure). The reason I asked about the oilpan is because in this engine, there's a lot of space in the bottom. If you get a gasket to seal it, or make one from TPU, then that space in the bottom could function as an oilpan. However, this might be counterintuitive. If the oil is too thick, the engine performance will be reduced, or cease to run.

@@JaceN3D No that was not intentional. I think that would be really messy and inefficient. Oil would leak through many of the gaps between the moving parts and through the porous plastic. The friction from the seals and fluid reistance are just too big at this small engine scale.

The engine broke because a part snaped not the connect between two parts. You would need to change what the shaft is made out of in order to make it stronger or change the 3d model for a thicker shaft which would create more friction. I already have a good balance.

@@ruwyev181 if i make more infill will that make it stronger

@@burstable252 I see that you have not read the pinned comment on my assembly video.

you can use almost any lubricant but vaseline is a bit thick so that could slow down the engine. If you do use vaseline I would only use a very small amount. This engine does not depend on lubricant much because the piston is not a full seal like normal engines.

Checkout my pinned comment it tell you the settings