Mailing List lml@lancaironline.net Message #59521
From: Gary Casey <casey.gary@yahoo.com>
Sender: <marv@lancaironline.net>
Subject: Re: In-flight Mag Check?
Date: Fri, 26 Aug 2011 18:38:27 -0400
To: <lml@lancaironline.net>
Craig,
Thanks for the suggestion.  But you didn't state which of the three types you recommend..... :-).  Ah, never mind - I think I just figured it out.
I've always worried about moving the ignition switch in flight (as John reported), so in my ES I installed two independent switches, one for each ignition.  That eliminates a single point of failure.
Gary Casey


John,
Yes, not a bad idea….however….I have done three different types of cruise mag checks.
1.      I was flying by myself.  Obtained desired data.
2.      Flying with better half and failed to “inform” her I was going to do a mag check.
3.      Flying with better half and informed her I was going to do a mag check and one mag was failed. (Engine stopped…)
 
As an honorable man, I can only recommend one of the three methods.
If one mag if bad and engine stops, I recommend you pull mixture to idle cutoff, switch back to both mags and then slowly advance mixture and set proper fuel flow. Simply switching back to both mags can cause unwanted noises when the fuel in the exhaust ignites. Unwanted noises can cause bruising around your neck.
Craig Berland
IV-P N7VG

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