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Thread: 915is Ground-Adjustable

  1. #1

    Join Date
    Dec 2019
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    Idaho
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    Default 915is Ground-Adjustable

    Has anyone installed a ground-adjustable prop on the 915is? I'm trying to figure out what
    my options are. I'm Light Sport so I can't use the constant-speed prop until (if/when) MOSAIC
    comes to fruition. MOSAIC will most likely allow use of a single-lever control so my only
    option would be MT using the Stock Flight Systems controller (EMU) when the time
    is right. For now I will be fine with ground-adjustable.

    KF does not have a recommendation since they have not tested any yet.

    Victor
    Building SS7
    915iS
    Garmin G3x

  2. #2

    Join Date
    Sep 2021
    Location
    Lafayette, CA
    Posts
    32

    Default Re: 915is Ground-Adjustable

    Hey Victor,
    I haven't tested (or even mounted) my prop yet as I'm still in early stages of my build with a 915 but I did purchase a DUC ground adjustable prop which can be upgraded at a later time to a constant speed prop. May be worth looking into but there isn't much info or user reviews I could find. Only time will tell if it was a good decision.
    DUC USA was extremely easy to work with and very responsive. I went with a 4-blade 75" option but for better STOL capabilities, a 3-blade 72" might have been the better choice for a 915. I will definitely save on weight compared to an AirMAster or MT and the allen ket adjustability looks to be very simple. For future, DUC does sell an hydraulic/electric control system, which can be mounted and used similar to MT and Airmaster.
    Just an option worth considering.
    Here's a link to DUC's brochure
    http://www.duc-helices.com/client/do...eller_1006.pdf

    and a quick video of what my prop looks like

    https://www.youtube.com/watch?v=e8_yJQkIY-Q
    Kevin

  3. #3

    Join Date
    Dec 2019
    Location
    Idaho
    Posts
    117

    Default Re: 915is Ground-Adjustable

    Thanks Kevin. Nice looking prop. I am learning that there are many things to consider when choosing a prop.
    I'll talk to the guys at Duc. Were there any others you considered?

    Victor
    Building SS7
    915iS
    Garmin G3x

  4. #4

    Join Date
    Jun 2018
    Location
    Hood River, OR
    Posts
    16

    Default Re: 915is Ground-Adjustable

    You might reach out to Sensenich. They make some ground-adjustable's for other Rotax, and may have an option for you. I can't speak highly enough of my ground-adjustable Sensenich that I put on my Lycoming powered Kitfox 5 Outback... it's such a nice prop.

  5. #5
    Super Moderator Av8r3400's Avatar
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    Default Re: 915is Ground-Adjustable

    Trent Palmer is using a NR/Luga 3-blade ground adjustable with his 915.
    Av8r3400
    Kitfox Model IV
    The Mangy Fox
    912UL 105hp Zipper
    YouTube Videos

  6. #6

    Join Date
    Mar 2021
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    Chico, CA
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    68

    Default Re: 915is Ground-Adjustable

    Quote Originally Posted by WhereTheHellIsJames? View Post
    You might reach out to Sensenich. They make some ground-adjustable's for other Rotax, .
    I just received Sensenich's new STOL prop for the 915is. It's a bit larger diameter than I was originally wanting to go with, but going to try it out anyways. 82" three-blade ground adjustable composite with the pin adjustment system. 14.75 pounds for everything (hub, blades, hardware, etc).
    Jason B.
    Phase 1 - S7 STi
    Dynon | 915is

  7. #7

    Join Date
    Dec 2019
    Location
    Idaho
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    117

    Default Re: 915is Ground-Adjustable

    I'm definitely interested in hearing how it works out for you. Seems like many of the props I have seen are closer to 72" so 82" seems big.
    Building SS7
    915iS
    Garmin G3x

  8. #8

    Join Date
    Jun 2018
    Location
    Hood River, OR
    Posts
    16

    Default Re: 915is Ground-Adjustable

    Quote Originally Posted by Redline View Post
    I just received Sensenich's new STOL prop for the 915is. It's a bit larger diameter than I was originally wanting to go with, but going to try it out anyways. 82" three-blade ground adjustable composite with the pin adjustment system. 14.75 pounds for everything (hub, blades, hardware, etc).
    A picture's worth a thousand words!

  9. #9
    Super Moderator Av8r3400's Avatar
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    Default Re: 915is Ground-Adjustable

    I have a friend with a Sensenich adjustable prop with the pin guides.

    When setting pitch on these, make sure to double check them with a protractor. My friends individual blades can vary by more than a degree with just the pin.
    Av8r3400
    Kitfox Model IV
    The Mangy Fox
    912UL 105hp Zipper
    YouTube Videos

  10. #10
    Senior Member bbs428's Avatar
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    Jan 2015
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    SW Missouri
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    649

    Default Re: 915is Ground-Adjustable

    My 2 blade NR(luga) is 69.7" long and 9.8lbs with the 2" extension, h/w and spinner. No data as of yet.

    20190205_090448 (2020_09_21 10_29_07 UTC).jpg 20190205_090427 (2020_09_21 10_29_07 UTC).jpg
    Somebody said that carrier pilots were the best in the world, and they must be or there wouldn't be any of them left alive. — Ernie Pyle

    Brett Butler
    Flying: 1998 Model 5 Outback, 912ul Zipper 110hp, G3x avionics, ss7 upgrades

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