Commutator travel question.

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Model T Ford Forum: Forum 2017: Commutator travel question.
Top of pagePrevious messageNext messageBottom of page Link to this message  By Gerald Blair on Monday, June 26, 2017 - 06:43 am:

How much travel should a commutator have from retard to full advance?
Letís say it is set at the 2.5 inch when retarded where should the rod be at full advance or how many degrees should the commutator move?
Thanks
Gerald


Top of pagePrevious messageNext messageBottom of page Link to this message  By G.R.Cheshire on Monday, June 26, 2017 - 08:32 am:

I'll have to check later but it seems someone told me it had 45 degrees of movement.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Roger Karlsson, southern Sweden on Monday, June 26, 2017 - 08:52 am:

Just as an example: For automatic operation of the modern accessory E-timer 0.90"+ travel of the commutator is needed.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ron Patterson-Nicholasville, Kentucky on Monday, June 26, 2017 - 09:51 am:

40 degrees at the camshaft.
Many times the timer pull rod lever is loose on the spark lever rod and you will not get this amount of travel.

application/pdf1
Magneto Fig7.pdf (38.4 k)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Alan George Long on Tuesday, June 27, 2017 - 05:06 am:

Isn't it absolutely amazing that a job your about to check out
on your Model T is posted on the Forum !!

I was about to question the total distance that the Commutator
cover travels from the retarded position to fully advanced then here it is!! So many times, this Forum has "read my mind"
with answers to questions I haven't asked yet!!

What a great community we have going in here

Regards. Alan in Western Australia


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