Re: 1940 Johnson HD-15 Magneto testing

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June 25, 2017 at 3:16 am #60275
Buccaneer
Participant

    US Member

    Found a member’s video of a HS-15 Johnson running.
    Here’s what they’re suppose to sound like, lol
    https://youtu.be/EkwokfkpGs0

    Prepare to be boarded!