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Thread: 737 engine start-up (white smoke from the base)
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Old 1st Jun 2009, 23:11
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victorc10
 
Join Date: Jul 2008
Location: England
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Just unburnt fuel being blown out the tail pipe. If you look right up the pipe (when the engine is not running) you will see little pools of fuel. On start this vaporises into a puff of whitish smoke.
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