[Diy_efi] Electronic expertise requested

Daniel R. Nicoson A6intruder at adelphia.net
Thu Jun 19 13:37:36 GMT 2003


I corresponded with the guy at Simple Digital Systems a while ago.  He's big
into Experimental Aircraft (lots of great info on his web site-
www.sdsefi.com/aircraft.html )  His opinion was that properly installed a
single system like his is far more reliable than the traditional twin-mag
aircraft setup.  He felt that adding the complexity of two processors to a
single injector setup could induce its own failure points in the relays etc.
Maybe a complete dual system is the right answer, share nothing (of course
more $$).

Dan

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
Behalf Of Shannen at grolen.com
Sent: Thursday, June 19, 2003 6:58 AM
To: diy_efi at diy-efi.org
Subject: RE: [Diy_efi] Electronic expertise requested


DI>Jacob,

DI>computer and its supporting cast is reliable enough, why two?

In the air, it's hard to "just pull over and switch ecm's."  lol... If
we could get more auto techs to think this way, shows like 20/20 would
run out of material on shops in no time.

I wonder about the acceptability of leaving both ecm's connected and
"running" at one time, but electrically disconnecting the injectors and
timing control (if used).  Switching between the two boxes might be as
simple as flipping a DPDT switch?  Garfield and a few others have gone
over different schemes to set up dual ecm's.  Those posts should be in
the archives.

Shannen

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