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Thread: Spindle identity

  1. #1
    NSRA member crumble's Avatar
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    Spindle identity

    Can any one identify these spindles. I'm concerned about the bolt holes with open ends.
    Real steel

  2. #2
    NSRA member crumble's Avatar
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    Here they are.20240512_135014.jpeg20240512_135021.jpeg

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  3. #3
    NSRA member mygasser's Avatar
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    they're cut down ford round back spindles mate, same as you get from speedway etc (except theirs have seperate steering arms). being forged you'll be ok to weld a thick washer over each hole.
    neil.

  4. #4
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    Did some spindles come without the radial(?) bearing or are we looking at a mismatch of parts? I know there are 2 spring perch boss height variants, 2" and 2 1/4" but not sure about the King pin boss heights. Very heavy steering if what's pictured is put into use I'd have thought.

    Chris

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  5. #5
    NSRA member rem's Avatar
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    Chris, '32-'34 spindles have the bearing above the axle boss, under the mechanical brake pivot boss on the kingpin, but they're not cross-steer so maybe these are '35 or '36? I know '36 are cross-steer but they have a different spindle bearing length. Don't know about '35 steering - were they drag link style but with roller bearings instead of bronze bushes?

    Whatever, I agree with Chris about them not being 'right' on that axle, maybe on a race car if a thin Torrington bearing can be squeezed under the axle boss but not with that style kingpin on a road car.
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  6. #6
    Moderator Brizey's Avatar
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    I would agree about the seeming miss match of parts.

    `35s were the first year of cross steer, spindle length on `35s is 5-5/8", back plate holes 3/8". They were a 1 year only type.
    `36 spindle length is 5-3/8", also a 1 year only type.
    `37 through `41 (round back) spindles have 1/2" backplate holes, so the spindle length and backplate hole dia (measured across what`s left of the holes!) may help identify what year spindles they are!.
    Be interesting to know why the backplate holes were cut about?...
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  7. #7
    NSRA member mygasser's Avatar
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    maybe it was 'clearanced' for a previous caliper bracket?
    neil.

  8. #8
    Moderator Brizey's Avatar
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    Quote Originally Posted by mygasser View Post
    maybe it was 'clearanced' for a previous caliper bracket?
    neil.
    Possibly Neil, not sure what the bracket would have been bolted to though with just slots (as opposed to holes) left. Hmmm, an odd one! ...
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  9. #9
    NSRA member rem's Avatar
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    If it is an early pre-round back spindle they may have 'extended' the holes to fit '40 Ford style hydraulic back plates, and figured that 4x half a hole makes 2x whole holes, more than enough for the job
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  10. #10
    NSRA member crumble's Avatar
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    Quote Originally Posted by rem View Post
    If it is an early pre-round back spindle they may have 'extended' the holes to fit '40 Ford style hydraulic back plates, and figured that 4x half a hole makes 2x whole holes, more than enough for the job
    You could be right. It's got 40s juice brakes to go on it.
    Real steel

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