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Thread: PA-12/O-320 w/front mount oil cooler alternator?

  1. #1

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    PA-12/O-320 w/front mount oil cooler alternator?

    Hello, everyone.

    I’d like to put an alternator on my O-320, which has a front mounted oil cooler (a Niagara unit, bracket’s same as the old boat anchor model). I’m having a lot of trouble finding an alternator that will fit with a front moubt oil cooler. It has to be stc/pma’ed for my type as a/c is Canadian (no field approvals allowed).

    I know B&C has a solution that’s been ‘almost’ approved for the 12 for over 2 years. Plane Power’s techies honestly dont know if theirs will fit.. Are there any PA-12 owners with an O-320 & front mount oil cooler that have already solved this problem?

    any advice would be appreciated.

  2. #2

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    Yes a Plane Power, light weight 70 amp alternator will fit on your 12 with a front mounted oil cooler. I put one on my last build. I can't remember exactly how much I has to modify the oil cooler bracket for the alternator because I put a skytec light weight starter on at the same time and I know it took some modification for the starter. The only issue I can remember with the alternator is that it took me a couple of tries to get the right length belt, luckily the Northern Aviation Parts Asso. is just a few blocks from the airport.
    Staying alive in an airplane has a lot more to do with mastering ourselves than mastering the aircraft.
    Likes Hardtailjohn, gvgoff99, Andy505 liked this post

  3. #3
    Gordon Misch's Avatar
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    I have the Plane Power alternator and Skytec starter with front mount cooler. I had to build a custom mounting arrangement for the oil cooler, but it worked. I'll try to get a picture today.
    Gordon

    N4328M KTDO
    My SPOT: tinyurl.com/N4328M (case sensitive)

  4. #4
    Gordon Misch's Avatar
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    Click image for larger version. 

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ID:	35870Here are some pics. (the white powder is residue from my oil leak quest).
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    Gordon

    N4328M KTDO
    My SPOT: tinyurl.com/N4328M (case sensitive)
    Thanks Hardtailjohn thanked for this post
    Likes Andy505 liked this post

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