Firstly, I'm thinking that there may be dead spots in the rheostat, and secondly - 24 v is not going to ham this, if the cranking speed jumps remarkably, it may tell you more about what's going on.
f
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Charles Fitton
Maryhill On.,
Canada
too many carriers
too many rovers
not enough time.
(and now a BSA...)
(and now a Triumph TRW...)
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