Aftermarket Coils for Lightwin RBM

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  • Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
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    #247774

    I removed the flywheel and tank on the second 1925 Elto Lightwin, Model C,
    to check out the coil, as long as the hotplate was still set up for heating tar
    and melting wax.
    I was surprised to see that the coil and wiring looks in great shape.
    Only thing I can think of that it was replaced at one time.

    Did they sell aftermarket coils for these years ago?
    It has a black casing, and no markings on it that I can find.

    The secondary seems okay a 5.5 K ohms.
    I get inconsistent readings across the battery connection leads,
    but perhaps that’s because the capacitor is “in play”?

    I was going to hook it up to a battery and check spark, but the timer
    has to come apart first. The latch drive is turning very stiff like it
    has petrified grease in it.

    DSCN1874

    DSCN1875

    Prepare to be boarded!


    Mumbles


    Replies: 5764
    Topics: 298
    #247802

    There are videos somewhere about rebuilding these coils using new OMC coils and stuffing them in the case so they look original. Boathouse should know.


    The Boat House


    Replies: 4550
    Topics: 111
    #247806



    I believe Doug Penn and / or Art Decalb have
    new replacement coils. Here are the coil rebuild
    videos and one I did a long time ago on the timer.
    I don’t have an explanation as to why your coil
    is in such good condition,
    Tubs

    https://youtu.be/xwbTlC1xIlA
    https://youtu.be/e2vxDqF_OEU
    https://youtu.be/zLS6IglCy9k


    Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 7495
    Topics: 1072
    #247813

    Tubs, I watched your video, and the Canadian Chapter Boy’s video before I fixed the first coil.
    Very helpful, Thanks!

    I tested the good looking coil after supper, after freeing up the timer and cleaning the points.
    It seems to spark good, so I guess I’ll leave it alone for now.

    Prepare to be boarded!


    The Boat House


    Replies: 4550
    Topics: 111
    #247816



    Mumbles mentioned them so I posted them more
    for those who may not know there is a solution
    for the rotten wire syndrome these coils suffer
    from. I remember when there wasn’t a good
    solution. I tried soaking them in gasoline, which
    worked, but took several days and you ended
    up with a container full of junk with no good
    way to dispose of it. I ruined one tube trying heat
    before I gave boiling them a try. First time I didn’t
    let it cook long enough (wife came home unexpectedly)
    and I ruined that coil trying to push it out. I was talking
    to a member about how I had learned to get the coil
    out but they weren’t always still good afterwards and
    he suggested the Zephyr coil. Couple years after I did
    the video the surplus military coil became available.
    Tubs


    eltoquad

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 244
    Topics: 56
    #247837

    I always adjust those points by changing the shim under the contact screw. That’s the way Elto did it. Doing it the other way can get the points “out of square” very easily. I believe replacement coils from Elto were in a black case after some point in time.


    Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 7495
    Topics: 1072
    #247842

    I always adjust those points by changing the shim under the contact screw. That’s the way Elto did it. Doing it the other way can get the points “out of square” very easily. I believe replacement coils from Elto were in a black case after some point in time.

    I had to add a couple of homemade brass shims to the first on I worked
    on to bring it back to the .010 range, and it seems to work okay.

    I wonder how many years Elto / Evinrude offered replacement coils,
    or any parts for that matter, for those motors.

    Prepare to be boarded!


    The Boat House


    Replies: 4550
    Topics: 111
    #247843


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    Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 7495
    Topics: 1072
    #247846

    Good Tip Tubs. I had mine all apart and re-aligned the points
    with movement on the slotted end. I didn’t think about or notice
    mine being out of square.

    Prepare to be boarded!


    The Boat House


    Replies: 4550
    Topics: 111
    #247848

    posting test – can I?

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