

| Subject: | Re: Correct Gap of Sparks |
| From: | Clive Smith |
| Date: | Thu, 20 Feb 2003 22:14:18 -0000 |
>If the delay is 30 microseconds, than it's more than 1 degree late. But is it 30 us or 1 or 2?? Clive ----- Original Message ----- From: "Steve Delanty" <laurasdog@WEIRDSTUFFWEMAKE.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Thursday, February 20, 2003 9:37 PM Subject: Re: Correct Gap of Sparks > At 01:19 PM 2/20/2003, you wrote: > >I agree with this theory but if the time differential is microseconds can > >this have a real effect on the timing of the firing? Figure at 6000 rpm > >[not for long] the engine is firing 100 times a second, so each cylinder is > >firing 25 times a second and a 1/25th of a second is pretty long compared to > >a microsecond. Or maybe not. Doing this on the fly. > > At 6000 RPM, 1 degree of crank rotation takes 27.8 microseconds. > > If the delay is 30 microseconds, than it's more than 1 degree late. > > Steve >
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