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Technical Brake question.

Discussion in 'The Hokey Ass Message Board' started by David68, Jun 1, 2020.

  1. David68
    Joined: Jan 9, 2020
    Posts: 32

    David68
    Member

    Okay here’s one that I’ve never seen and need some help identifying. This is a drum style brake with a internal 3 piece rotor. The rotor pieces are held by a clip that is held down by two bolts. The brake pad is large and round. The brakes are electrically activated. The round brake pad is pushed up against the three piece rotor.
    Has anyone seen these? Know their name? Who made them? Crazy shit. [​IMG][​IMG]


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  2. indyjps
    Joined: Feb 21, 2007
    Posts: 5,377

    indyjps
    Member

    Is it for a vehicle wheel? Or it is machine or PTO application ?
     
  3. Moriarity
    Joined: Apr 11, 2001
    Posts: 31,139

    Moriarity
    SUPER MODERATOR
    Staff Member

    help us out, what kind of car?
     
  4. Fabber McGee
    Joined: Nov 22, 2013
    Posts: 1,287

    Fabber McGee
    Member

    Very old electric trailer brakes. Used to be common as dog turds. Had a few old camper trailer axles around here in the 70's that had those same or very similar brakes.
     

  5. What Fabber said.

    Ben
     
  6. David68
    Joined: Jan 9, 2020
    Posts: 32

    David68
    Member

    Fabber it is a trailer axle I have on a old stock car trailer I call the Hillbilly Trailer. I’m thinking it dates back to the 70’s. Any still out there?


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  7. seb fontana
    Joined: Sep 1, 2005
    Posts: 8,490

    seb fontana
    Member
    from ct

  8. I think the rare Kinmont disc brakes worked the same way.
     
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  9. Mr48chev
    Joined: Dec 28, 2007
    Posts: 33,979

    Mr48chev
    ALLIANCE MEMBER

    That may come under the no longer serviced section.
    If it was a manufactured trailer and the manufacture is still in business you may have to go back to them and find out if they know of any available parts and who to buy them from.
    The other option is to go electric over hydraulic disk where you would have to bu a lot of pieces but it would make for a nice unit or replace what is there with electric drum brakes.
     
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  10. Fabber McGee
    Joined: Nov 22, 2013
    Posts: 1,287

    Fabber McGee
    Member

    My nephew swears by etrailer.com. Might look there.
     
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  11. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    @David68
    Newer electric trailer brakes work on the same principle, but slightly reconfigured. There is no separate ‘rotor’, the inside if the drum, outboard of the hub, is machined smooth and is in effect, the rotor.

    That is where the electro magnet is ‘drawn’ to and the magnet/arm assembly attempts to rotate with the drum and applies the brake shoes. Same thing the OP has, ‘only different’ as they say.

    Ray
     
    Last edited: Jun 2, 2020
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  12. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    I have bought from etrailer and agree with your nephew.

    Ray
     
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  13. bchctybob
    Joined: Sep 18, 2011
    Posts: 5,245

    bchctybob
    Member

    From the looks of the spindle you might be better off replacing the entire axle and brakes with a whole new assembly. I had a vintage travel trailer and since you can’t see it, I replaced the axle and brakes with modern stuff so it was safe and could be serviced anywhere we went. It wasn’t that much more than trying to repair the old crap.


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