Is anybody making trigger wheels for the EDIS4 ignition ?
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Karibian

These guys make some slick universal ones.

http://www.diyautotune.com/catalog/-c-48.html?osCsid=9c7d4176b6bdb0c28030e5dd604b59b5

Everett


The website below does not show a trigger wheel of the size needed for my
Renesis which is 5 1/8 inch in diameter.
They have  2, 3, 4, 6 3/4 and 8 1/4 inch diameter wheels in 36-1.
I cut a disc yesterday. Now I need to find a shop to cut the teeth.

http://www.diyautotune.com/catalog/-c-48.html?osCsid=9c7d4176b6bdb0c28030e5dd604b59b5--

Karibian


Karibian, If you don't just want to turn down an industrial roller chain
sprocket thinner where different chain pitch would change the diameter,
either laser cut or less desirable in this case plasma cut are the
cheapest for 1/8" plate. Also for best accuracy attach the blank to the
eccentric sheeve and take it to a shop that has a gear hobbing machine.
My go to guy is Josh Queen at plesant garden machine shop just outside of
Marion NC in north western NC. He uses a gear hobber for all kinds of
parts with assorted cutters from limit switch cams to 12 foot diameter
mining machine gears. It would best to have the blank attached to the
sheeve and turn it true before hobbing the shape. The teeth need to be
narrow and somewhat pointed with a generous root depth. Something like
1/8 wide at the tip tapered to 1/4 wide at a root 5/16" deep and radiused
corners at the root, sharp corners at the tip where the reluctor senses.
As the diameter increases the teeth would remain the same and the space
between them would increase.


Test to see at what mounting distance the reluctor starts to missfire at
idle RPM and mount it at no more than 1/2 that clearance.
george grimes




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