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  #21  
Old 11-30-2010, 10:35 PM
gciampa gciampa is offline
 
Join Date: Dec 2008
Location: Fuquay Varina, NC
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Found a Lycoming Service Letter that describes the issues for Active and InActive aircraft:

Lycoming Service Letter 180

I also seem to recall an article by Sky-Ranch (although I could not locate it), that described hand turning an engine is helpful to lessen the likely hood of issues with sticking valves, lifters, pushrods, etc.

As a matter of technique, before I fly (usually once a week), I will pull the prop through a few times (backwards, aghast, oh the horror...no vacuum pump on my system) :-)

Last edited by gciampa : 11-30-2010 at 10:35 PM. Reason: spelling
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  #22  
Old 12-02-2010, 12:49 AM
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RudiGreyling RudiGreyling is offline
 
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Location: South Africa, Johannesburg
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Quote:
Originally Posted by Alan Carroll View Post
I'm curious about this too - pulling the prop through before starting in cold weather does seem to result in noticeably quicker starts. It would seem to me that spinning the prop with the starter would have pretty much the same effect on cylinder walls as turning it by hand.

The main down-side I've encountered when turning the prop by hand is a tendency to slip on the ice and fall on my a--
Affirm, in cold WX, if the engine has run recently, turning it a couple of blades by hand makes it much easier to start. Rudi

I think the main debate is about longer term storage and then turning the blades.
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  #23  
Old 12-02-2010, 06:06 AM
David-aviator David-aviator is offline
 
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I've always used AVBLEND, the top end lubricant. I believe the stuff works.

And so does Reiff preheat....oil temp will be over 100F when the starter is engaged later this morning for a local patrol.
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