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1. 07:14 AM - Re: white smoke (Gary Casey)
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--> Engines-List message posted by: Gary Casey <glcasey@adelphia.net>
I'm not an expert, but I'm guessing the smoke is an artifact of high
oil consumption or from oil that is still in the engine from pickling
(although with 5 hours of ground time on the engine I doubt that). I
would watch oil consumption carefully for the first flights as I'll
bet it will be high, hopefully going down to a normal amount
quickly. The thought is that the oil getting into the engine burns
if there is fuel, but after shutting off the fuel the oil quits
burning and comes out as a white "smoke."
Gary Casey
>
> --> Engines-List message posted by: Grd645@cs.com
>
> Have a Lycoming o-235L2C that emits a puff of white smoke on
> shutdown. The
> engine sat overhauled and pickled for 9 years before installing on
> my aircraft.
>
> I am running mineral oil until 50 hours as per Lycoming. The plane
> has not
> flown yet and has about 5 hours of taxi tests completed--ready to
> take her up
> and run the engine at 75% for 2 hours, per Lycoming. Should this
> puff be of any
>
> concern--is the engine trying to tell me something?
>
> Just trying to cover everything before first flight.
> Brad
> do not archive
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