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Old 04-11-2003 | 04:28 PM
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David Cutler
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Default Diesel Engine??
Originally posted by jstanton
rmteo

I understand about the diesel engine being on at all times, but I am confused about how you can start one without any power source being applied to the engine.

Can you explain how the diesel fuel fires within the cylinder?

Thanks
Hi,

Diesels fire because the high compression ratio compresses the charge in the cylinder so much that it exceeds the flash point of the fuel (mainly Ether) and ignites it.

- A bit like a bicycle pump getting hot as you pump up the tyre (or tire in the States!)

David C.
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