hall sensor simple questions

[Swayze]

so, if using a dissy for the timing pulse, you would still need a TDC
reference (either missing or extra tooth(notch)  or extra
sensor(crankshaft?)
byE
Mike
Swayze
mswayze at truswood.com
kswayze at bellsouth.net
....................
> ??. Accuracy (at least in the mechanical sense), is a function of the
number
> of references, not number of sensors.  You can do equally well with crank
or
> cam, the only time you need both is in SEFI (meaning timing or fuel).  If
> you want to measure crankshaft accleration rates accurately then you need
a
> crank sensor, since there is always "gearing" for the distributor, and
that
> alllows for slow, and erratic signaling for that level of resolution,
> needed.  You can get by with dissy, but the resolution of input, and
> filtering gets more complex, and hence more room for error.
> >
....

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