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Yea we got a little excited with it working...looking into good earmuffs for the next run!

Well, we built a proper coil driving circuit, and opened up the spark plug gap. She doesnt self start, but it is infinitely easier starting this with a spark plug, Got a couple vids of it running if you're interested. Coil driver https://www.youtube.com/watch?v=Ml4rSI1p3ec Starting https://www.youtu...

Truthfully we were looking for a more elegant solution than a rosscojector, is there any way around using one? could we just move the injector further forward in the intake and not have it protruding into the pipe as far? We want to convert this to run on liquid fuel as well, so it would auto start ...

Propane tank probably 1/3-1/2 full, unrestricted,(orifice in hose drilled out) the injector can be seen in one of the pictures, its a small rod with a 1/8" hole drilled in the cap, pointing back toward the combustion chamber, i think in the picture its pointing to the side, but it was just for photo...

Hello all, just built my second pulse jet with a friend, we both work at a fabrication shop and have used remnants of materials to make this pulse jet, so it is made out of 12 GA mild steel, which is about .100" thick. Anyway, we tried to get it to start today, only tried briefly, but we never got s...