Dwell and HEI's
Shannen Durphey
shannen at mcn.net
Sat Feb 21 07:48:22 GMT 1998
bruce plecan wrote:
> Me thinks I might be able to shed a glimmer of light on something.
> After looking reading this thread, the coil is "on" for a time
> determined by a R/C timer, so the dwell looks to change as the
> rpm do, well ya, but the coil on time is the same it the matter of
> how many crank shaft degrees occur during this time that gives
> the illusion that something has changed.
> Bruce Murphys law may have started in 1949, with a rocket
> sled pilot, who made a run only to find out all the
> sensors were hooked up backward, Geeeeez
Makes sense, never thought of it like that.
Old stock car racer friend has a dual point, dual coil distributor.
The points cam has 4 very round lobes, and each coil has it's own set
of points. They alternate cylinders in the firing order. Think he
called it a "flame thrower".
One of Murphey's laws of mechanics: Anything dropped on the floor
will roll the the geometric center of the closest vehicle.
Shannen
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