Rap 24 hp semidiesel, second start attempt.

This video illustrates what happends when these two stroke semidiesels run out due to too much oil in the crankcase. With my left hand, I block the injection pump, so from that time the engine run on lube oil only, no diesel at all. I have heard lots of stories about this from decades ago but this is the first time, to my knowledge, that it is captured on video. Luckily we had blocked most of the air intake prior to starting and ended at somewhat over 1000 rpm. Max operating rpm is 425-450. With full air supply, I would guess this engine would reach thousands of rpm and I could only guess what would have happened then… The electric glowplug short circuited so we had to rely on the propane burner which had slightly low temperature. In this startattempt, we used an acetylene burner and got the glowplug bright red. The crankcase was, unfortunately, filled with too much oil so the engine was running on its lube oil from the crankcase instead of diesel. Still some trouble with the fuel injection, doesn’t feel right when injecting diesel manually.

25 thoughts on “Rap 24 hp semidiesel, second start attempt.

  1. It’s warmed up now! thing was alive lol maybe 24hp, seemed like alot more torque though

  2. man, that would make an awesome steampunk gokart. turbocharge it maybe? (jk)

  3. a rusty old engine revving at twice the speed its supposed to at full throttle. imagine if they didnt block the intakes..

  4. and these guys arnt dead how? I like the way they try to stop it bouncing. its a massive bolinder they should have strapped it down.

  5. i dont no a great dela about diesels but i no that putting a cylinder there and starting an engine that BIG next to it was not a good idea!

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