[TCML] Salient Pole Query.
follies at ntlworld.com
Wed Dec 3 17:11:57 MST 2008
Ignore my last suggestion at the bottom of the above post (reproduced below)
This clearly would not work.
I wrongly Wrote>>
>>Tomorrow I'll use the lathe which has a variable speed drive, set it at
3000 rpm (50 revs per sec, set using a hand held tacho) and get this to
>>trigger a photoelectric cell which will switch a low voltage on and off to
the scope. The 'scopes tube will flash then like a strobe - provided the
>>'scope is adjusted for a suitably sharp point of light.
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