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10-16-2008 | 12:55 PM

#53

DarZeelon

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From: Rosh-HaAyin, ISRAEL

RE: Propeller Worms

Quote:

ORIGINAL: jeffie8696

...Glow engines are really just a very simple form of Diesel. (oh I can hear it now, I shouldn't have said that)

No, you shouldn't have, Jeffie...

While there are several attributes that define a Diesel engine; I believe the most prominent one is its reliance solely on compression to ignite its fuel/air charge, by the heat that results from compression.

Glow engines have been termed 'semi-Diesel' in the past, because the heat of compression intensifies the catalytic reaction of the platinum in the glow-element, on the methanol in the fuel, which in turn causes the glow-element to glow hot enough to initiate the combustion. ...And because some Diesel engines (mostly older ones) employ glow-plugs for cold starting, which are not maintained lit afterward, like those of glow engines...

But in reality, this discussion belongs elsewhere in this forum.

...And surly not in a thread dedicated to propellers...

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