Trying to decide on RPM & crank angle sensor

[Tony Bryant]

>
> Please be extremely careful with this.  Keep in mind the engine he will be
>using can rev to 14,100 rpm.  I have seen some very robust solutions fly
out
>of the wheel at insane speed... it might as well be shooting a bullet at
>you.  For his app, he will need a good design and a good hole to place the
>magnets in with high strength epoxy and possibly some peening.  At this
>speed precision in the magnet placement is also extremely important as is
>the air gap.
>


No, No, No, I was NOT sugguesting attaching anything except a balanced
toothed
wheel to the crank. The magnet sits inside the sensor assembly, i.e. fixed
to the engine.

The slots in the crank pulley I was suggesting is an alternative to fabbing
a toothed
wheel, NOT as somewhere to put a magnet.




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