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Thread: Removing Williams Toe Brakes From A Clipper

  1. #21
    Harold Kroeker's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    Thanks for posting this. I don't see a tab at the base of the cylinder which acts as the lower pivot on the Electrol. How did you mount it to the airframe?
    Harold Kroeker
    PA-16 Clipper CF-PJB

  2. #22
    tnowak's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    I had to get attachment fittings made when I installed Grove cylinders on my Vagabond. I may be able to find pictures in a few days time. Not near my laptop at the moment. TonyN

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  3. #23
    Gilbert Pierce's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    Quote Originally Posted by Harold Kroeker View Post
    Thanks for posting this. I don't see a tab at the base of the cylinder which acts as the lower pivot on the Electrol. How did you mount it to the airframe?
    It does have tab that connects to a u channel with a clevis pin. The Grove fits exactly the same way.

  4. #24
    cozzmo81's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    I was able to get a field approval for the grove 692-3 master cylinders on my Pacer. The bottom bracket comes off the electrol cylinders and attaches to the grove cylinder.


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    Adam Rhoads

  5. #25

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    Default Removing Williams Toe Brakes From A Clipper

    Quote Originally Posted by Vagabondblues View Post
    Grove makes the 692-3 that is almost exactly the same as the Electrol. The only differences is the piston rod which is longer. This should prevent the bending of the unsupported Clevis threads like what happens on the Electrol. Grove provided a statement of owner produced parts with the cylinders.
    The grove cylinders I referenced pretty much match the Electrol. It has the attach fitting and is the same length. The 676-1 or the 676-10. Both are pretty much the same, just the -10 is PMA and the -1 isnít. The -14 is also the same, but has the parking brake on it.

    http://www.groveaircraft.com/676-14dwg.html



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    Last edited by dgapilot; 03-15-2020 at 02:48 PM.

  6. #26

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    Default Re: Removing Williams Toe Brakes From A Clipper

    Quote Originally Posted by dgapilot View Post
    The grove cylinders I referenced pretty much match the Electrol. It has the attach fitting and is the same length.
    However the bore, stroke and displacement are not the same. The 692-3 has the same bore, stroke and displacement as the Electrol. Should make field approval easier.

    Todd

  7. #27

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    Default Re: Removing Williams Toe Brakes From A Clipper

    Quote Originally Posted by Vagabondblues View Post
    However the bore, stroke and displacement are not the same. The 692-3 has the same bore, stroke and displacement as the Electrol. Should make field approval easier.

    Todd
    Do you have the specs on the Electrol cylinders? I wasnít able to find them. Likewise, I donít see the 692-3 on the Grove web site.


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  8. #28
    cozzmo81's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    Quote Originally Posted by dgapilot View Post
    Do you have the specs on the Electrol cylinders? I wasnít able to find them. Likewise, I donít see the 692-3 on the Grove web site.


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    The 692-3 wasnít on their website when I was looking for it either, but is available if you contact Grove Via phone or email.
    Adam Rhoads

  9. #29

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    Default Re: Removing Williams Toe Brakes From A Clipper

    I attached them to post #20 in this thread.

    Todd
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    Last edited by Vagabondblues; 03-16-2020 at 06:10 PM.

  10. #30
    tnowak's Avatar
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    Default Re: Removing Williams Toe Brakes From A Clipper

    My old Electrol cylinders had the lower "tab" integral with the cylinder casting.
    I got two of the attached made to fit to my new Grove cylinders.
    TonyN
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