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Thread: Brake pad question.

  1. #1
    Senior Member Kitfox Pilot's Avatar
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    Default Brake pad question.

    What pad thickness is recommended for pad replacement on our kitfoxes?
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  2. #2
    Senior Member jrevens's Avatar
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    Default Re: Brake pad question.

    They’re ready for replacement when the rivet heads are close to being able to touch/rub the disc. I’m not sure what the minimum thickness is for yours, but I just check them periodically and replace when they’re getting close.
    John Evens
    Arvada, CO
    Kitfox SS7 N27JE
    EAA Lifetime
    Chap. 43 honorary Lifetime

  3. #3
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Brake pad question.

    Ok thanks John that's simple enough to do at inspection time.
    I will make sure to note the thickness or maybe keep an old brake pad to compare when I change them. I was just wanting a gauge to hold there to compare when pre flighting so I know when I am close.


    Would anyone know which pad the s7 uses?










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    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  4. #4
    patrick.hvac's Avatar
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    Default Re: Brake pad question.

    I believe it's:
    Kit - P/N: 066-111K - $58.00
    Includes 4 pads and 12 rivets

    Make sure you are using 65 series wheels with 31 series calipers.
    🇨🇦CANADA
    Flying | SS7 | G3X | Edge 912

  5. #5
    Senior Member PapuaPilot's Avatar
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    Default Re: Brake pad question.

    Almost all brake pads that we would use on a Kitfox have a minimum thickness of 0.100". You don't want to let it get down to the rivets as that will cause grooves in the brake discs. Pads are much less expensive than discs.

    It appears you aren't sure what wheels and brakes are on your plane. Obviously, you need to figure that out first. Once you figure that out go online and get the maintenance and parts manuals that you need from Grove.

    Here is the main one you need: BRAKE CALIPER INSPECTION AND MAINTENANCE (groveaircraft.com)
    Phil Nelson
    A&P-IA, Maintenance Instructor
    KF 5 Outback, Cont. IO-240
    Flying since 2016

  6. #6
    Senior Member efwd's Avatar
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    Default Re: Brake pad question.

    I was surprised to find how close I got to the rivet when I had to replace the pads. One pad wears quicker than the other and it just so happens its the one you can't see as well while doing the preflight. Easy job to do so that is a plus.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  7. #7
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Brake pad question.

    Thanks everyone for the info. I will make sure which wheels and brakes I have. I assumed they were all the same on a kitfox.





    Here is the main one you need: BRAKE CALIPER INSPECTION AND MAINTENANCE (groveaircraft.com)
    Thanks Phil
    Last edited by Kitfox Pilot; 11-17-2023 at 05:25 PM.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  8. #8
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Brake pad question.

    Quote Originally Posted by efwd View Post
    I was surprised to find how close I got to the rivet when I had to replace the pads. One pad wears quicker than the other and it just so happens its the one you can't see as well while doing the preflight. Easy job to do so that is a plus.

    Eddie,
    I have changed a lot of brakes but never an airplane pad.
    That is normal for the piston side to wear faster and of course its the hardest to see.
    I have never figured out why they don't upsize the piston side pad to equal the wear.
    Glad your back in the air!
    Last edited by Kitfox Pilot; 11-17-2023 at 08:12 PM.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  9. #9
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Brake pad question.

    Quote Originally Posted by patrick.hvac View Post
    I believe it's:
    Kit - P/N: 066-111K - $58.00
    Includes 4 pads and 12 rivets

    Make sure you are using 65 series wheels with 31 series calipers.
    Thanks Pat, I do have 65 series wheels and 31 series calipers.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  10. #10
    Senior Member
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    Default Re: Brake pad question.

    Just send a email to heather and a couple days later you will have the ones you need on your doorstep. They keep them in stock fyi.
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF......FLYING!
    N53TF......FLYING!

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