Mailing List flyrotary@lancaironline.net Message #60135
From: <Lehanover@aol.com>
Subject: Re: [FlyRotary] Re: Fuel map scrambled.
Date: Thu, 22 Aug 2013 22:33:36 -0400 (EDT)
To: <flyrotary@lancaironline.net>
A review of switching systems is in order. Not only will the inductive load of the solenoid primary generate destructive voltages, as in a Kettering style field collapse, also the contactors in the solenoids can provide a dirty arcing when opening. Common switches as well may produce an electrically noisy opening. In modern electronics time periods, the operation of a common switch looks like a week long electrical storm. Diodes and capacitors across the contacts are used to silence such noise.
 
Lynn E. Hanover
 
In a message dated 8/22/2013 6:47:37 P.M. Eastern Daylight Time, hoursaway1@comcast.net writes:
Bobby, my map is ( was ) still set to factory with all bars in the center, after landing I thought to check EM2 screen with mapping bars & discovered half were still at center & half were all the way to the bottom/lean.  I had not changed anything for aprox. 15 min. of flight, then suddenly ruff running.  I just responded to Mark & mentioned that the only thing diff. from prev. 10 hrs. was I had both landing & taxi lights on this flight.  David
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