Prop pitch combined for X and Y

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  • ReddyWatts
    Fast Electric Addict!
    • Apr 2007
    • 1711

    #1

    Prop pitch combined for X and Y

    Pitch is how many inches the prop will travel through the water in one revolution.

    Thought it was interesting to see the X and Y props combined using pitch order.

    Ever wonder which prop is the next pitch up or down from what you are using?



    PROP------ Pitch/inches---Shaft Size
    X427----- 1.498------------- 0.125
    X430----- 1.652
    X431----- 1.708
    X432----- 1.764
    Y531----- 1.877
    X435----- 1.932
    X632----- 2.016
    Y534----- 2.059
    Y535----- 2.125


    X437/3 ---2.072-------------0.187
    X438 -----2.100
    X440 -----2.198
    X440/3 ---2.198
    Y536 -----2.200
    Y537/3 ---2.279
    X442 -----2.310
    X637 -----2.368
    X445 -----2.478
    X640 -----2.512
    X447 -----2.590
    X447/3 ---2.590
    X642 -----2.640
    X448 -----2.660
    X450 -----2.758
    X450/3 ---2.758
    X645 -----2.832
    Y547 -----2.849
    X548 -----2.850
    X452 -----2.870
    X452/3 ---2.870
    X646 -----2.896
    X646/3 ---2.896
    X455 -----3.038
    X455/3 ---3.038
    X648 -----3.040
    X457 -----3.136
    X457/3 ---3.136
    X460 -----3.304
    Y557 -----3.449
    X560 -----3.540
    Last edited by ReddyWatts; 07-19-2008, 09:25 AM.
    ReddyWatts fleet photo
    M1 Supercat - Neu 1527 1Y, 8s / Mean Machine- Feigao 580, 8s, 120 HV esc
    Mean Machine - Feigao 540 14XL, 8s, 100 amp HV esc, X537/3
  • lonewolf
    Senior Member
    • Jul 2007
    • 658

    #2
    I have never put props in that order but i like the thinking thanks for the post I will be printing this chart..............Dave
    Twin cat 9xl,... 29 titan 8xl,....37 in mono kb48 8xl.... 42 in twin elc cat project... 42 in gasser cat 260 modded zenoh''' planes and trucks....

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    • ghostofpf1
      Senior Member
      • Jun 2008
      • 392

      #3
      Thanks for that...very useful..
      Ghost

      Comment

      • Simon.O.
        Fast Electric Addict!
        • Oct 2007
        • 1521

        #4
        Nice list there, where are the real props ??
        27 to 34mm
        Don't worry I have a little list of my own for these little speed gems from octura and Kyosho.
        I have at last sorted out my own paper based formula for choosing props.
        It is a little time intensive but I like maths so it is fun. I factor in V loss due to using Ni cells and eff loss (brushed cans) then prop slip, to come out with a number that can be used to compare props.
        Naturally after that it is off to the pond to test that theory.
        See it....find the photos.....sketch it it....build it........with wood

        Comment

        • ReddyWatts
          Fast Electric Addict!
          • Apr 2007
          • 1711

          #5
          Simon, I added the 27 to 35mm props.

          This can be a little misleading since prop size, slippage, weight, hull and "pitch" determine the loading on a motor.
          Last edited by ReddyWatts; 07-19-2008, 12:10 PM.
          ReddyWatts fleet photo
          M1 Supercat - Neu 1527 1Y, 8s / Mean Machine- Feigao 580, 8s, 120 HV esc
          Mean Machine - Feigao 540 14XL, 8s, 100 amp HV esc, X537/3

          Comment

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