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Help Identify 1943 Propeller

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  • Help Identify 1943 Propeller

    Please help me identify.
    Marking
    L-USA DRG No X43K9493
    SER LL A26
    MAR 43

    Purchased in St. Catharines, ONT.
    One of 6. Never on plane.

  • #2
    That one may be hard. There were a number of propellers manufactured under military contracts that used that designation (year, followed by "K", followed by a number), but the all of the numbers I've ever seen have been 5 digits, not four, and those go back to 1942 so I don't think it's just an earlier number.

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    • #3
      There is at least one documented example of a two-digit year followed by K then followed by a four digit number (44K9705, please refer to http://www.modernwoodenpropellers.co...h_military.htm). I have found in very many instances concerning WW-II aircraft and parts other than wooden propellers an X precedes a valid number in cases where one or some examples were submitted to the military for approval. The "X" indicating experimental. If approved the X was subsequently removed. Your prop may be one of those submitted for approval but I cannot document that as fact. I have no clue on who manufactured it.

      Lamar

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      • #4
        help identify 1943 wooden propeller

        I have a wooden propeller with the same number:
        L-U.S.A.DRG.NO.X43K9493. I'd love go get some information about it.
        Thanks.

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        • #5
          Hi Sue and welcome to the forums. I have no additional information other than the above posts.

          Lamar

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          • #6
            Thanks, Lamar. I'll keep looking...
            Sue

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            • #7
              This is the first forum i have been on a forum so go easy i have no idea what i am doing.
              I also have a propeller to which i have no idea where it is from or better what it is from. Number on the prop is L-U.S.A.DRG.NO.X43K9493 SER.L.LA 384 July 43
              Other side is ENG. R-975 D 8-0FT H.P. 450 R.P.M. 2350
              Has anyone come up with where these came from?

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              • #8
                Can you post some pictures? Does it have decals?

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                • #9
                  There has been a previous thread on the subject of this design number:
                  http://woodenpropeller.com/forumvB/showthread.php?t=408

                  What is certain is that the propeller was designed for use with a Wright Whirlwind R-975-E3 engine; all I can add to that is the observation that in every application that I can find, the Whirlwind was used with a metal propeller.

                  For a wooden propeller to be used on this engine as late as 1943, suggests a specialist application and that makes me think that the suggestion made in the linked thread may be correct, i.e. that this design of propeller was used when converting Avro Ansons to Mk lV specification.
                  Last edited by Mtskull; 03-06-2021, 02:58 AM.

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