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Thread: Landing gear weight

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  1. #1
    Senior Member Esser's Avatar
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    Jul 2011
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    Edmonton, AB
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    2,048

    Default Re: Landing gear weight

    Cabane gear is a couple pounds lighter than the Grove (Grove is close to 40lbs I think) but slower. I have a 914 powered Model 7 with a lithium battery, constant speed prop and when I did the weight and balance on 26" tires it came to 878. I have a new project I'm slowing picking on and my goal is under 800lbs and I'm going pretty extreme on the plane's diet to get there. Not to say it isn't possible but just to be realistic, you need to be conscious about saving weight everywhere you can.
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  2. #2
    Senior Member fastfred's Avatar
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    Nov 2016
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    herkimer,ny
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    217

    Default Re: Landing gear weight

    Can you share the list of what you end up doing to it? Hopefully the FAA with boost the gross weight up petty soon for the LSA and won't be an issue for me. I rarely would ever get myself in afield short enough to have a problem. Why do you need it so light with all that power ?You must be off in 150 feet most days?

  3. #3

    Join Date
    Aug 2020
    Location
    Rathdrum ID
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    41

    Default Re: Landing gear weight

    Quote Originally Posted by Esser View Post
    Cabane gear is a couple pounds lighter than the Grove (Grove is close to 40lbs I think) but slower. I have a 914 powered Model 7 with a lithium battery, constant speed prop and when I did the weight and balance on 26" tires it came to 878. I have a new project I'm slowing picking on and my goal is under 800lbs and I'm going pretty extreme on the plane's diet to get there. Not to say it isn't possible but just to be realistic, you need to be conscious about saving weight everywhere you can.
    Josh,

    I am building a 5 with a 914/Airmaster. Do have a weight & Balance that you could share with me? What tailwheel do you have?

  4. #4
    Senior Member Delta Whisky's Avatar
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    Dec 2017
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    Amissville, VA
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    639

    Default Re: Landing gear weight

    I've captured reported weights for some time now and as of now my very limited data base shows:
    w/o outliers w/o outliers
    Model KF4 KF5 KF5 KF6 SS7 SS7
    average 676 841 820 906 836 827
    Max 793 1,013 890 906 963 878
    min 560 777 777 906 736 763
    sigma 76 69 35 0 56 33
    count 5 9 8 1 19 16
    The columns labels "w/o outliers" represent me taking out variants caused by what could be "scale dreaming" and heavy engine choices but still only makes a 9 pound difference for the SS7.
    BTW - when I converted to TK-1 shocks (only, not their gear) it cost 8 pounds.

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