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Sensenich repair manual

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  • Sensenich repair manual

    Does anybody have a Sensenich repair manual they could share? I found one online, but the pages I needed were missing. I am looking for the 74c pages.

    Thanks

  • #2
    for wood or metal? What needs repaired?

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    • #3
      http://www.sensenich.com/documents/ Look under Repairs or ?

      Gary
      N36007 1941 BF12-65 STC'd as BC12D-4-85

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      • #4
        I just wanted to check the dimensions on a backup 74ck metal prop before sending it in to get repaired, it's out of spec on the tracking.

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        • #5
          How's the crank flange runout?

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          • #6
            Originally posted by Jfmctt View Post
            I just wanted to check the dimensions on a backup 74ck metal prop before sending it in to get repaired, it's out of spec on the tracking.
            Blade coning?
            N29787
            '41 BC12-65

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            • #7
              I bought this prop online and I probably got a little bent in shipping. Ended up just getting it rebuilt at Sensenich, now it's good as new with a logbook. Took off a 74 ck 0 38, this new one to me is a 44, it does cruise better now.

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              • #8
                I went from a 7446 to a 7443, increased cruise and climb
                N29787
                '41 BC12-65

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                • #9
                  Tim, going fro 46 pitch to 43 INCREASED cruise? That kind of surprises me. I would have expected a loss of cruise and increase in climb and takeoff performance with a decrease of pitch.

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                  • #10
                    Rpm came up into where the engine made best power, the 46 lugged the engine.
                    N29787
                    '41 BC12-65

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                    • #11
                      Originally posted by Hank Jarrett View Post
                      Tim, going fro 46 pitch to 43 INCREASED cruise? That kind of surprises me. I would have expected a loss of cruise and increase in climb and takeoff performance with a decrease of pitch.
                      Having worked on and adjusted the pitch on quite a few SLSA aircraft with ground adjustable propellers I can attest that often a reduction in pitch will increase both climb and cruise performance. It is all about letting the engine turn a higher RPM to develop its horsepower. I know it is counter intuitive, but that extra pitch will only increase speed if you have the horsepower to pull it.

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