[SEL] RE: SEL Digest, Vol 12, Issue 10

[bill at antique-engines.com]

You can't even flat out make a "rule" as to number of cylinders or size of
engine as the single cylinder LA had an impulse, did it not?
But the single FB, the Associated, etc. with rotary did not.

MY F20 has an automatic impulse.
My regular had a manual set impulse.

Bill

> The old IHC Type L magneto on low-tension M engines contains no impulse
> or retard mechanism. Lots of small aircooled engines have had flywheel
> magnetos with no impulse or retard.
>
> John
>
> On Mar 10, 2005, at 2:17 PM, Andy Glines wrote:
>
>> I can't think of any type of rotary mag which does not impulse even on
>> my 1cly Wisconsins.
>
>
> John Culp
> Bristol, Tennessee, USA
>
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