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Thread: New Shock Absorbing Gear Design for Grove Gears

  1. #1
    Senior Member Rodney's Avatar
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    Default New Shock Absorbing Gear Design for Grove Gears

    Just found this a few minutes ago on the internet.

    https://www.youtube.com/watch?v=KHrFRxqZSjM

    Thought some of you might also be interested in this design.
    As you will see, it's new and still in the testing phase.

    Really hope it works out and is affordable.

    Regards
    Rodney

  2. #2
    Hockeystud87's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    Interesting. 16lbs heavier but still a neat concept.

  3. #3
    Senior Member efwd's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    I saw this yesterday as well. Following closely. Very interesting how he came to this design.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  4. #4
    Senior Member Esser's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    I’ve been talking with Alex about this since HSF. I’m interested but with my forward c of g issues, 16# is too heavy.
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  5. #5
    Senior Member Rodney's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    Esser - did you get to see the system at HSF???

    If it installs like I think, true it will weigh 16lbs, but the moment will only be 1.5 inches - so not too much of an effect on CG.

    I'm kinda excited to see how this works out. I really like the idea of keeping the Grove gear and being able to add suspension capability to it.

    Rodney

  6. #6
    Senior Member Esser's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    No just computer models etc. I should have said too that my plane is heavier than I want it. I would rather have bush gear for the same weight I have now with my extended gear than 16 extra pounds. I'm already trying to shed weight as it it.
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  7. #7
    Senior Member bbs428's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    Agreed. I saw the video too. Very promising!
    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

  8. #8
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    Quote Originally Posted by Esser View Post
    No just computer models etc. I should have said too that my plane is heavier than I want it...
    Is there a particular reason you need or want the extended gear? Seems the standard gear is fine and with even 22”s will handle a 75” prop.

  9. #9
    Senior Member Esser's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    AOA on take off and landing. In Idaho I would always hit tail first by a large margins.
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  10. #10
    cirrusjetpilot's Avatar
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    Default Re: New Shock Absorbing Gear Design for Grove Gears

    Figure you guys like an update about the gear. Sorry I completely missed this thread. Need to come here more often.

    I have around 30 hours on it. Been flying on all types of terrain. Last weekend I changed the shock PSI from 190lbs down to 175lbs. It seems to be flexing a lot more. I want to fly some more hours and adjust again if needed. Overall I am super happy with the design. It works as intended. It can be made a lot lighter. It is super hefty as a first design try. I am pretty sure the overall weight per side can be reduced by 1/2 without compromising its strength.

    Here's a video where I do some more testing with it.
    https://youtu.be/HZwOil7qibg

    Cheers
    Alex Di Sessa

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