From Alan Belson:

Quote
I'd go for about 20uF per horsepower, if you can't read the OE label, but I'm told by my friendly Scot neighbor "dinna gae any higher".

And I second the comments about frequent starts - Pic, "balloon capacitor", is what happened when I pushed a 3hp motor too hard.
BTW the motor still just about started, [after a struggle], which reason led to the discovery of the problem.

Rod, 55uF per kW?

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[This message has been edited by pauluk (edited 09-27-2006).]