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Thread: Prop Upgrade?

  1. #1
    Join Date
    May 2009
    Location
    IL
    Posts
    2

    Default Prop Upgrade?

    Does anyone know what prop to upgrade to? Also a good place to buy them at for cheap? I was thinking three propeller props..

  2. #2
    Join Date
    May 2009
    Location
    ON
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    3,180

    Default

    I just got x642 from OSE. I may have a chance to try it out on Saturday. Will let you know how it is in 2 blade upgraded prop. I had it going on SV prop and did not see big diference in performance. This one should get few miles improvement in speed. On all stock I was able to GPS 32.4 MPH.

  3. #3
    Join Date
    Jul 2009
    Location
    md
    Posts
    7

    Default

    the stock prop is pretty big i thinks its 1.6x2.6 thats 400, if prop is to big there will be drag

  4. #4
    Join Date
    Jul 2009
    Location
    NO
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    5

    Default

    I have pretty good experience with the Octura 440/3. Should give you some extra speed and you get it from here for $15 og just under $50 balanced and sharpened if you dont want to do that yourself :)

  5. #5
    Join Date
    Jul 2009
    Location
    md
    Posts
    7

    Default

    a 3 blade prop?, i have a stock boat with 2 5300lipo batteries, i tried my buddies 642 and it seem same maybe . but you tried a 3 blade, and how can i buy here..thanks

  6. #6
    Join Date
    Jul 2009
    Location
    NO
    Posts
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    Default

    You can get it sharpened and balanced HERE or not sharpened and balanced HERE.

  7. #7
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    Jul 2009
    Location
    md
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    Default

    but you tried a 3 blade and it was faster..

  8. #8
    Join Date
    Jul 2009
    Location
    NO
    Posts
    5

    Default

    Yep, but I have not tried the X642 so I don't know if it is faster than that.

  9. #9
    Join Date
    Mar 2010
    Location
    38
    Posts
    172

    Default

    hello guys
    I would try a Graupner 45mm prop, I got a 180A esc and stock motor 4s lipo, do you think I will gain speed with this prop?

  10. #10
    Join Date
    Apr 2010
    Location
    MI
    Posts
    134

    Default

    I just recieved my balanced and sharpened X642 from offshoreelectrics along with a programming card, and the boat looks a lot faster im guessing another 4mph gain. (with some tweaks to the buisnes end of course).
    Jerry

  11. #11
    Join Date
    Jul 2010
    Location
    AR
    Posts
    88

    Default prop

    How are you fitting std. 3/16" props on the 3mm shaft ????

  12. #12
    Join Date
    Jul 2010
    Location
    MO
    Posts
    50

    Default

    I use a X642 de-tounged with good speeds, a 440 3 blade and a prather 215SS , they all seem to work pretty good but the 3 blade works best with my dual rudder setup.

  13. #13
    Join Date
    May 2009
    Location
    ON
    Posts
    3,180

    Default

    with the adapter..,..



    Quote Originally Posted by stringfly View Post
    How are you fitting std. 3/16" props on the 3mm shaft ????
    DJI Drone Advanced Pilot
    Canada

  14. #14
    Join Date
    Oct 2008
    Location
    CA
    Posts
    376

    Default

    Guys,

    most if not all of you recommend the x642 prop. Some de-tongue and some don't specify. Can someone elaborate on why de-tonguing is a benefit and maybe how/how much to take off? Thanks!

    (I can't seem to find anything on the de-tonguing methods in all the prop sharpening guides)

    Sanyi

  15. #15
    Join Date
    Nov 2009
    Location
    TX
    Posts
    538

    Default

    Read this - http://rcraceboat.com/Propcuttingpage.html

    I run a S&B x642 on mine and it runs very well.

  16. #16
    Join Date
    May 2009
    Location
    ON
    Posts
    3,180

    Default

    I used to run my on S&B x642 and it was flying!!!
    Robert
    DJI Drone Advanced Pilot
    Canada

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