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Well, its generally accepted that retarding
ignition timing as boost increases is one way to make certain you don't get into
detonation situation. I guess I would wonder about why the timing between
leading and trailing would be critical. It could be that since with boost
you have higher combustion chamber pressure which supposedly leads to faster
combustion propagation of the wave front - that the split could be a
factor.
It could be that with faster combustion
wave propagation that you would want the timing of the lead and trail closer in
timing rather than further or possibly vice versa {:>).
.
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
Sent: Friday, July 30, 2004 3:11 PM
Subject: [FlyRotary] Re: Turbo and the
EC2
> From what perspective, John??
I'm hearing from Leon that the ignition timing in general, and
specifically the timing split between leading and trailing is CRITICAL to
turbo installations. I "think" Tracy is
retarding the ignition with boost, but I don't know how
much.
I wish Tracy was back on the list and had time to
read it. :(
John
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