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Old Sep 01, 2011, 05:43 AM
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JoseLuis28's Avatar
Colmenar Viejo - Madrid - Spain
Joined Jan 2009
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" Ignition advance curve "

Hello everyone,

I must know about advanced curves, or timing curves, I don┤t know its technnical name. I think it would be difficult to find info about them, about curve for each manufacturer and model, could someone help me

┴ friend of another forum has given me a curve, the attached one, do you think it will be good for all of our gasoline engines

Thanks

Good flights
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Last edited by JoseLuis28; Sep 01, 2011 at 05:49 AM.
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Old Sep 01, 2011, 06:57 AM
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I TOBOR's Avatar
Joined Feb 2007
2,730 Posts
Hand propping an engine is the equivalent of about 400 rpm, our model engine ignition, at least C&H Ignitions sense this and retard the timing to 6 degrees BTDC. The curve is very short on our engines being all in, (28-32 degrees) by about 2,500. Early on CH's Synchro Spark was a separate unit, I have at least one that has 1,500 written on it.
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Old Sep 01, 2011, 05:40 PM
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Colmenar Viejo - Madrid - Spain
Joined Jan 2009
203 Posts
As the one is indicating the black line :
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Last edited by JoseLuis28; Sep 01, 2011 at 05:55 PM.
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