REFLECTOR: Ignition Timing

Scott Derrick scott at tnstaafl.net
Wed May 22 09:02:34 CDT 2013


I would be more than astounded if the oil streak was effected by 
ignition timing!  Thats wishful thinking at best.

Plug that breather tube into your exhaust system and be done with it.

Scott

-------- Original Message --------
Subject: REFLECTOR: Ignition Timing
From: John Dibble <aminetech at bluefrog.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Date: 05/21/2013 06:32 PM

> Well, I think I'm on to something here.  A while back  I mentioned that
> I was experimenting with reducing the timing on my Franklin engine.  I
> now have it set at 24 degrees BTDC, which is 4 degrees less than
> standard.  Yesterday I flew from MS to NY at 11.5 k feet.  The engine
> ran very smooth, much smoother than in the past several years.  My #3
> cylinder which had been running 30 F higher than the others is now in
> line with the rest.  Best of all, I gained 6 kn in airspeed.  One thing
> I was hoping for that didn't happen is elimination of the oil streak on
> the cowl from the breather tube.  I plan to reduce the timing further
> and see if the oil streak goes away.
>
> John
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-- 
Man must evolve for all human conflict a method which rejects revenge, 
aggression and retaliation. The foundation of such a method is love.
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