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    OS 91 MAX FX (RINGED) - 12/3/2012 5:04 PM   
    themis karaolis


     

    Posts: 11
    Score: 100
    Joined: 11/27/2012
    Last Login: 5/14/2013
    From: limassol, CYPRUS
    Status: offline     		i have the swallow ex90 (F3A) and i just bought my new OS 91 max fx   i like manuveurs and also i want my plane to have good powe...WHICH PROPELLER SIZE DO YOU SUGGEST?

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    RE: OS 91 MAX FX (RINGED) - 12/3/2012 5:26 PM   
    Scar



    Posts: 3050
    Score: 126
    Joined: 10/2/2002
    Last Login: 5/21/2013
    From: Peoria Hts, IL, USA
    Status: offline
    quote:

    ORIGINAL: themis karaolis

    i have the swallow ex90 (F3A) and i just bought my new OS 91 max fx   i like manuveurs and also i want my plane to have good powe...WHICH PROPELLER SIZE DO YOU SUGGEST?

    My Sukhoi (54" wingspan) likes the 14x6 APC on the .91 FX.

    I tried the suggested 13X8, and found the plane to be quite fast. The 14X6 gives me some braking when trying to slow down. There was no braking effect with the 13X8.

    Also tried an APC 15X6, and the braking was a bit more than I liked. All these props gave me adequate power for the sport type flying I do.

    Of course, you'll need to try & decide for yourself.

    Best wishes,
    Dave Olson

    _____________________________

    The true soldier fights not because he hates what is in front of him, but because he loves what is behind him GKChesterton

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    RE: OS 91 MAX FX (RINGED) - 12/3/2012 5:39 PM   
    themis karaolis


     

    Posts: 11
    Score: 100
    Joined: 11/27/2012
    Last Login: 5/14/2013
    From: limassol, CYPRUS
    Status: offline     		dave,,,the 14x6 you using now its APC??and whats the differrent of apc prop.from the others? 

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    RE: OS 91 MAX FX (RINGED) - 12/3/2012 9:00 PM   
    Scar



    Posts: 3050
    Score: 126
    Joined: 10/2/2002
    Last Login: 5/21/2013
    From: Peoria Hts, IL, USA
    Status: offline     		Those were all APC props.

    Best wishes,
    Dave Olson

    _____________________________

    The true soldier fights not because he hates what is in front of him, but because he loves what is behind him GKChesterton

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    RE: OS 91 MAX FX (RINGED) - 12/5/2012 3:36 AM   
    NikolayTT


     

    Posts: 760
    Score: 100
    Joined: 9/30/2002
    Last Login: 5/19/2013
    From: Tampere, FINLAND
    Status: offline     		APC was (!) te best propeller for quite many years but it is far not anymore.
    Check and see what you will get by using the Graupner Laser series, and
    especially from Europe you have very good deals on:
    www.lindinger.at
    www.der-schweighhofer.at
    My complains about APC is that it has pretty thick profile and loads the
    engine more than those tinner profile Groupner Laser propellers; with them
    you just get at least 15% more energy used in the thurst then in turbulency.
    And also they are at least 30% cheaper than APC ... check and see...nothing
    is best for ever, APC also has to implement some advanced aerodynamics to
    stay among the best, sorry, but that is the life...

    Cheers,
    Nick

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    RE: OS 91 MAX FX (RINGED) - 12/5/2012 6:18 AM   
    themis karaolis


     

    Posts: 11
    Score: 100
    Joined: 11/27/2012
    Last Login: 5/14/2013
    From: limassol, CYPRUS
    Status: offline     		thanks nick i ll check it 

    quote:

    ORIGINAL: NikolayTT

    APC was (!) te best propeller for quite many years but it is far not anymore.
    Check and see what you will get by using the Graupner Laser series, and
    especially from Europe you have very good deals on:
    www.lindinger.at
    www.der-schweighhofer.at
    My complains about APC is that it has pretty thick profile and loads the
    engine more than those tinner profile Groupner Laser propellers; with them
    you just get at least 15% more energy used in the thurst then in turbulency.
    And also they are at least 30% cheaper than APC ... check and see...nothing
    is best for ever, APC also has to implement some advanced aerodynamics to
    stay among the best, sorry, but that is the life...

    Cheers,
    Nick



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    RE: OS 91 MAX FX (RINGED) - 12/5/2012 8:00 PM  1 votes
    jaka


     

    Posts: 7182
    Score: 158
    Joined: 12/11/2001
    Last Login: 5/21/2013
    From: Upplands Vasby, SWEDEN
    Status: offline     		Hi!
    Check out the new Graupner "Sonic" series. or the British "RAM" props. In Q-500 pylon here in Sweden when using 10x6 props and 80/20 fuel those are by far the best props available.
    But for a slow flying plane like the You-Can-Do .60 ,powered by a MVVS 15cc engine running 5% nitro, a 16x4W APC has been my choice soo far.

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    Jan Karlsson - Supplier MVVS Products

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           Post #: 7

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