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Author: Subject: Converting to rose joint track rod ends.
John Bonnett

posted on 13/7/20 at 07:05 PM Reply With Quote
Converting to rose joint track rod ends.

Just an option I'm thinking about. Should the taper in the steering arm be bored out to parallel?
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rusty nuts

posted on 13/7/20 at 07:31 PM Reply With Quote
Pretty sure Iíve seen an adapter the has a taper to fit the steering arm with a stud at the wide end of the taper to attach the rose joint?
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John Bonnett

posted on 14/7/20 at 06:42 AM Reply With Quote
I've looked at a few Escort kits (which won't be any good for me) and they appear to have just an h/t allen bolt to fix the rose joint to the steering arm. I wouldn't be happy to fit a parallel bolt into a taper.
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Bluemoon

posted on 14/7/20 at 07:45 AM Reply With Quote
Just remember forces on the joint, rosejoints are not strong when pulling then ball out of the socket..
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John Bonnett

posted on 14/7/20 at 08:06 AM Reply With Quote
quote:
Originally posted by Bluemoon
Just remember forces on the joint, rosejoints are not strong when pulling then ball out of the socket..



It's a well used conversion on rally cars so I would have thought it would be okay.

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40inches

posted on 14/7/20 at 09:16 AM Reply With Quote
quote:
Originally posted by John Bonnett
I've looked at a few Escort kits (which won't be any good for me) and they appear to have just an h/t allen bolt to fix the rose joint to the steering arm. I wouldn't be happy to fit a parallel bolt into a taper.

Perhaps a thick shouldered washer would do the job?

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John Bonnett

posted on 14/7/20 at 09:49 AM Reply With Quote
quote:
Originally posted by 40inches
quote:
Originally posted by John Bonnett
I've looked at a few Escort kits (which won't be any good for me) and they appear to have just an h/t allen bolt to fix the rose joint to the steering arm. I wouldn't be happy to fit a parallel bolt into a taper.

Perhaps a thick shouldered washer would do the job?



With a straight bolt into a taper it's only going to touch in the tight part so surely it has to flex where there's a gap.

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rusty nuts

posted on 14/7/20 at 11:53 AM Reply With Quote
How about machining a tapered item to fit through the steering arm with a securing bolt holding it all together. ?
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John Bonnett

posted on 14/7/20 at 11:56 AM Reply With Quote
quote:
Originally posted by rusty nuts
How about machining a tapered item to fit through the steering arm with a securing bolt holding it all together. ?


I think that would be a good solution although simpler to drill out the taper in the steering arm to parallel.

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Theshed

posted on 14/7/20 at 01:27 PM Reply With Quote
Made me think a bit this one. I was wondering why most track rod ends are tapered. I suspect the answer is to provide a second fail safe if the nut comes undone.

I suspect a straight bolt and a nut with wire or a split pin would do the job. That said I would probably machine up a taper with a straight section then threaded ends. Just feels more elegant. you may well need to build in high alignment busshes/joints as a standard rod end has quite limited missalignment. A safety washer at the top in case the ball pops out (pretty unlikely in my view the load will be tiny).

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rusty nuts

posted on 14/7/20 at 04:08 PM Reply With Quote
https://www.motorsport-tools.com/media/catalog/product/cache/1/thumbnail/9df78eab33525d08d6e5fb8d27136e95/r/o/rod_end_DSC00693_1.jpg
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CNHSS1

posted on 14/7/20 at 10:52 PM Reply With Quote
Rosejoint pins

https://www.ebay.co.uk/itm/143647718025





"Racing is life, everything else, before or after, is just waiting"---Steve McQueen

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John Bonnett

posted on 15/7/20 at 06:33 AM Reply With Quote
quote:
Originally posted by CNHSS1
https://www.ebay.co.uk/itm/143647718025



Good find. Thank you

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