Reply To: BRP Points Quality

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November 19, 2021 at 2:17 pm #249904
JACQUES
Participant

    Mumbles… according to the extensive testing by mr. Mohat is recent OUTBOARDER articles on condensers ….capacitors up to .47uf had little effect on the actual plug spark voltage when tested on a 7.5hp AD engine. Presumably this would be the same on a whole bunch of common magneto ignitions found on JW CD FD RD etc…

    While .22uf got to be the accepted norm .47 uf worked fine. see his comment #3 at the bottom

    In fact the extra cap. while possibly…. reducing a bit of spark voltage .. .47uf provides added protection againts arcing across the points 🙂

    that said a midway .34uf is not so bad as long as the capacitor meets mr. Mohat’s test box standard .

    I have built his “basic test box” and have been quite happy with the results.

    Joining AOMCI has priviledges 🙂