REFLECTOR: Mag cooling

Laurence Coen lwcoen at hotmail.com
Wed Aug 10 13:33:20 CDT 2011


David,

The air from my armpit scoops is directed, via plenum, to cool the cylinders 
and nothing else.  I have a Franklin with the alternator, mags and fuel pump 
on the accessory case.  I enlarged my belly scoop to provide cooling air to 
this area.  No problems so far.

Larry Coen
N136LC

--------------------------------------------------
From: "David Ullman" <ullman at robustdecisions.com>
Sent: Tuesday, August 09, 2011 11:00 PM
To: <reflector at tvbf.org>
Subject: Re: REFLECTOR: Mag cooling

> My Tech Advisor asked me to ask if anyone directs cooling air on to the
> magnetos?  I have two of them on the back of my IO-360-C1C and they
> currently get no air circulating over them at all.  Seems easy enough to
> bleed some off the ducts bringing air into the plenum. Is magneto heating 
> a
> problem for anyone?
>
> David G. Ullman PhD ME
> Robust Decisions
> ullman at robustdecisions.com
> 541-754-3609
>
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