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Thread: Prop Tuning

  1. #1
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    Cool Prop Tuning

    Anyone have any tech tips on prop tuning for speed?
    Where does the bevel go on the leading edge?
    What is the best way to get a sharp 90 on the trailing edge? Die-grinder?

    ------------------
    RICKR
    mailto:riggerb@aol.comriggerb@aol.com</A>
    riggerb@aol.com
    1995 22 Classic

  2. #2
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    Post

    Best way to get the edge is with a snow ski edge file.

    Randy
    Randy owner of Donzis since 1966
    High Performance props 3, 4, and 5 blade. Turbo and Stainless Steel props. Props for old Volvo drives.
    The reason congressmen try so hard to get re-elected is that they would hate to have to make a living under the laws they've passed.

  3. #3
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    (Germany) I write this on German, (tech. facts are better too explain when i wite in my language and you translate them, because our Translate-Prg ar too bad. Grammatics are the problem) :
    du kannst deinen prop "cuppen" ; das heisst:
    1: der Anfang jedes Blattes wird abgerundet und
    2: der letzte centimeter jeden prop.-blattes wird um 15-24° aufgestellt------
    das heisst:
    normalerweise stützt sich dein boot an einer wassersäule von 15-25cm ab-- danach geht die ganze Energie durch verwirbelungen verloren!!!
    wenn du deinen prop. cuppen lässt , dann stützt sich dein Boot an einer wassersäule von etwa 80-90 cm ab bevor die energie durch cavitation und auspufgase verloren geht. Dadurch kannst du einen höheren Wirkungsgrad erziehlen, was bekantlich die Leistung erhöht!
    Das heisst wiederum: Mit einem "gecuppten" prop. kannst du eventuell 2-3 höhere Steigungen kompensieren! Aber auf jeden hast du einen besseren Wirkungsgrad
    Das ganze noch poliert- und Du Bist Auf der Gewinnerseite!

    [This message has been edited by Oliver (edited 01-26-2001).]

    [This message has been edited by Oliver (edited 01-26-2001).]

  4. #4
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    Red face

    OLIVER! If you do THAT-you're gonna have to clean it up before you can play outside again!
    MOM

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    Question

    Please explain- i dont understand-sorry school english

  6. #6
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    duuuude ??
    what do this mean?

  7. #7
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    I Tried to Translate with a american programm- sounds it good??

    Problems in understanding? please ask Edward Donnelly , he his so perfect in translating my language!!!!!


    Germany) I write this on German, (tech. facts AR more better too explain when i wite in my LANGUAGE and you translate them, because our Translate PRG AR too bath. Grammatics of AR the problem): you can " cuppen " your prop.; that means: 1: the at the beginning of each page is rounded off and 2: the latter more centimeter each prop. page around 15-24° set up ----- is called: normally your boat at a water gauge from 15-25cm supports itself -- afterwards the whole energy is lost through turbulences!!! if you cuppen lets your prop., then your boat at a water gauge from approximately 80-90 cm supports itself before the energy through cavitation and auspufgase is lost. Thus you can erziehlen a higher efficiency, which increases bekantlich the performance! That means again: With " gecuppten " prop. can you possibly 2-3 higher upward gradients compensate! But on everyone you have a better efficiency the whole still polishing and you are on the winner page!

  8. #8
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    Talking

    English: It's a laugh riot!
    Deutscher: Es ist ein Lachenriot!



    ------------------
    GeneD
    007
    Melbourne, Florida
    GeneD
    007
    Formerly of Melbourne, Florida
    Permanent Resident of St. Petersburg, Florida
    1966 Classic 18-2+3

  9. #9
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    Thumbs down

    i tried freetranslation.com , it isnt so good than babelfish

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