On 04/04/2011 19:37, Sean Breheny wrote:
> Hi Al,
>
> That's a good point (about aircraft). The standard procedure is to run
> with BOTH ignition systems on all the time except when testing them.
> During the engine run-up on the ground, one of the steps is to switch
> to only the LEFT system and make sure that the RPM doesn't change by
> more than a set amount (perhaps 50 rpm out of 800 rpm). Then you
> switch to only the RIGHT system and watch the rpm again. Finally, you
> switch back to BOTH. It is considered very normal to see a slight dip
> in the rpm while only one of the systems is on.
>

Okay, I have a question then. If the idea is to produce a bigger/longer=20
spark, then why not simply use multiple sparkplugs in the bike also?
I realise there will only be "room" for one per cylinder in a standard=20
engine, but maybe it would be possible to design a custom plug with two=20
spark gaps. They could either be fired at the same time or slightly apart.



--=20
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