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  1. #1

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    Pattern Props

    Hi folks,
    I'm trying to get back in the game. I've purchased a new YS 170, new airplane, and I'm working on making a decision on a new radio.
    I need some help with prop selection for the YS 170.

    Thanks Donny Wright

  2. #2

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    RE: Pattern Props

    APC 18.1 x 10 wide

  3. #3
    toddblose's Avatar
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    RE: Pattern Props

    Hey Donny,
    Glad to see you getting back in. just let me know if I can help
    http://toddblose.homestead.com
    Team Futaba,CA Models,Neu Motors,FlightPower,Smart-Fly,Tru-Turn

  4. #4
    papaone's Avatar
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    RE: Pattern Props

    Hi
    With nitro 25 % or above; APC 18,1x11
    Regards

  5. #5
    Jetdesign's Avatar
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    RE: Pattern Props

    Why such high pitches on these props? Is it due to high amounts of torque? I went from a 15x10 to a 16x8 for more climb and better throttle response on my 120AX, but see most 'pattern props' are anywhere from 10-14" pitch.
    Joe Marri
    Enjoying all things aviation.

  6. #6

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    RE: Pattern Props

    Hi Donny.
    APC 18.1x10 Pattern, 30% Heli cool power fuel.
    Hope to see you in Ocala.
    Regards.
    Humberto Pomales.

  7. #7
    rcpattern's Avatar
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    RE: Pattern Props

    Donny,

    Glad to see you are back flying. 18.1 X 11 is the best prop I've found for the 1.70. Slows down great on downlines, but still gives you the ability to fly a little faster on windy days than the 18.1 X 10.

    Hope to see you at some contests next year,

    Arch
    Team Futaba, Aero-Model / Hacker, Tech Aero Designs, F3A Unlimited, Team BJ Craft, Thunder Power RC, Castle Creations

  8. #8

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    RE: Pattern Props

    gaRCfield:

    Asked this question many times a few years ago. You actually have two items in your questions;
    1. four strokes have more midrange torque than two strokes and get propped accordingly, and 2. you want cruising speed at half throttle or close to it, reserving power for the more demanding maneuvers without sacrificing speed. Higher pitch = cruising air speed at lower rpm thereby reserving power.
    Mike Wickizer

  9. #9
    Jetdesign's Avatar
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    RE: Pattern Props

    Thankyou.
    Joe Marri
    Enjoying all things aviation.

  10. #10

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    RE: Pattern Props

    Thanks for the info. Hope to see you all at local contest and NATS.

    Donny

  11. #11

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    RE: Pattern Props

    do anyone know where i can get info. explaining the diam. and pitch on the prop. i'm into elec. and new to rc.

    thanks
    gramps

  12. #12
    RC_Pattern_Flyer's Avatar
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    RE: Pattern Props

    Donny, hope to see you flying FAI... whilst I will be flying masters. hehehe.

    Chuck
    Mark Hunt Designs

  13. #13

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    RE: Pattern Props

    What about 17x13 or 18.1x12 ?
    Please , compare it to 18.1x11


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