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Track rod shortening

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Track rod shortening
Derek Sheldon Offline
A7CA Rosengart Register
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Joined: Aug 2017 Posts: 532 Threads: 46
Reputation: 5
Location: Oakley, Hants, UK
Car type: 1929 AD Tourer, 1930 Rosengart LR2, Rosengart LR4 Van 1938 APE Tourer (Opal)
#1
04-04-2021, 06:17 PM
    In the process of building a dropped Sports axle. I now notice that there is not enough thread on tracking bar to achieve the correct toe in. 
Question 1. What is the thread ( I suspect that it’s a weird and wonderful Austin thread or pre ww2  Naval thread).
Question 2. Do you know of an alternative method to achieve the desired effect.
Thanks
I am always interested in any information about Rosengart details or current owners.
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Ruairidh Dunford Offline
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Joined: Mar 2015 Posts: 5,445 Threads: 231
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Location: Scotchland
#2
04-04-2021, 06:35 PM (This post was last modified: 04-04-2021, 06:38 PM by Ruairidh Dunford.)
Is the adjustment bottoming out Derek?

If so, you can remove a little off the end and it will wind on further in my experience.

3/4" x 20 tpi is the correct thread.
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leaf200 Offline
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#3
04-04-2021, 06:47 PM
I generally find even with a standard axle they are to long so I add some thread and trim the ends if required.
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Bob Culver Offline
dogged member, NZ
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Joined: Aug 2017 Posts: 2,748 Threads: 31
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Location: Auckland, NZ
#4
04-04-2021, 08:20 PM
Assumimg it not a bowed and shortend axle, I suspect they straighten out over time with parking effort and machanics despairing of the coarse toe in adjustmnet. With great care not to mar the surface or kink the curves can be rstored.
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dickie65 Offline
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#5
05-04-2021, 09:16 PM
Get it bowed to match the axle. or cut sleeve and braze in the middle.
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Derek Sheldon Offline
A7CA Rosengart Register
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Joined: Aug 2017 Posts: 532 Threads: 46
Reputation: 5
Location: Oakley, Hants, UK
Car type: 1929 AD Tourer, 1930 Rosengart LR2, Rosengart LR4 Van 1938 APE Tourer (Opal)
#6
22-04-2021, 07:03 AM
I bought a die on Flea bay for £13 , perfect. Thanks
I am always interested in any information about Rosengart details or current owners.
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Dennis Nicholas Offline
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Joined: Aug 2017 Posts: 476 Threads: 63
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Location: West/North Devon England
#7
22-04-2021, 04:13 PM
It wouldn't happen to be a wider tracked Big 7 track rod would it?
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Derek Sheldon Offline
A7CA Rosengart Register
****
Joined: Aug 2017 Posts: 532 Threads: 46
Reputation: 5
Location: Oakley, Hants, UK
Car type: 1929 AD Tourer, 1930 Rosengart LR2, Rosengart LR4 Van 1938 APE Tourer (Opal)
#8
22-04-2021, 04:58 PM
Hi Dennis, no a standard Ruby type, needed shortening due to having the axel turned into a sports replica which narrows the beam slightly
I am always interested in any information about Rosengart details or current owners.
Reply


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