Subject: 20/27 Timing
From: Rotary Engine
Date: 7/14/2010, 9:29 PM
To: AAA Put this in the To box


Can somebody tell me how to get the 20 and 27 degree timing without
resorting to two separate trigger wheels? Cementing the pickups side by side
would be twelve or more degrees apart.
On another note: my Parker fuel pumps have a tag on them stating "Not for
aircraft use".

-- 
Karibian

Why 27 degrees? Most people fire both plugs
at 22 degrees.

I assume you are not using a computer for the ignition
system.

What kind of ignition modules are you using?
If you are using the second gen waste coil
module all you is one CAS pickup and two tits
on the trigger wheel. That will take care of
the Leading plugs. The Trailing plugs will not fire.

To fire the Trailing plugs another trigger
wheel with one tit and two CAS's will fire
two single plug type 2nd gen coils for the trailing
plugs.

The Corvette Chevy coils will require some
simple circuitry to work. I was about to develop
that as it is on my list of things to do.

Paul Lamar
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