Ruddertwin questions

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  • September 13, 2015 at 2:53 am #2515
    bill-russell
    Participant

      Hi guys, as I get to know my 1923 ruddertwin,the more I am fascinated by it.after my initial problem with starting it, I can’t believe how easy it starts and how well it runs. Thanks again for you guys help. A couple of questions, what are the Pistons made of and how many rings? I also noticed that there doesn’t seem to be any prop not cotter pin or any kind of keeper, before I run it on a boat,should I lock title the nut? I sure don’t want to lose that prop. Is there any readily available spark plug for it? That’s about it for now, Thanks, Bill

      September 13, 2015 at 5:35 am #23737
      hotrod
      Participant

        You are wise to question the prop nut. I know a member who accidentally started his ruddertwin in reverse and promptly lost his prop nut & prop into the river.

        September 13, 2015 at 5:11 pm #23760
        hotrod
        Participant

          The pistons are cast iron with 2 rings each. The rings are .4061" wide.

          September 13, 2015 at 8:09 pm #23779
          bill-russell
          Participant

            Thanks for the info, cast iron Pistons, no wonder this thing has lasted 90 years. Thanks, Bill

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