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Re: Magneto Leads/Firewall Penetrations

Subject: Re: Magneto Leads/Firewall Penetrations
From: Fred Fillinger <fillinger@ameritech.net>
Date: Thu, 21 Feb 2002 09:44:24
> I also have a 914 and the Rotax manual shows grouding at both ends.  My
> manual is three years old though so I don't know if Rotax has changed
> this or not.
> 
> Erich Trombley
> A028
> 

Mine shows grounds at engine end only in the circuit schematic, but
narratively states both ends.  But in the case of a plastic airframe,
grounding with a run of wire to the shields at the mag switch may
accomplish nothing if the problem is suppressing EMI.  Also, where
only one end of a shield is grounded, interference-radiating currents
cannot flow (but not always true of RFI).

Regards,
Fred F.


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