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post #39 of Old 05-22-2013
zedboy
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Re: Runaway diesel

North, it means a diesel that runs and runs and runs on its own - so how can you stop it? Remember, diesels ignite by compression, no spark plug. So opening the ignition circuit to stop the engine doesn't work. The case they're discussing is where there's too much oil in the bottom of the crankcase, so it's coming up the cylinder walls as a nice froth, which combusts and keeps the engine going...faster and faster ...

Since it's got a source of fuel and a source of heat, only way to kill it is to cover the air intake, which they're discussing the ups down ins & outs of doing ...
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