[Fot] TR4 axle shafts

[Charly Mitchel]

Out of all the Triumph cars racing I know of, TR's, Spits, TVR's, GT's, they 
either have converted axels or have broken an axel.
Charly Mitchel
TR6 #44
From: <jkhagen at charter.net>
To: "MadMarx" <tr4racing at googlemail.com>
Cc: <fot at autox.team.net>
Sent: Monday, January 20, 2014 8:33 AM
Subject: Re: [Fot] TR4 axle shafts


> Not withstanding all the all the design problems/up-grades [most all 
> true!]  Talking to Ken Gillanders and Butch Gilbert [west coast guys] out 
> of 100+ TR2-4 racers they know of-- 6? with the Southwick conversion. 
> They like oldstock axels -tight fitting hubs.  Just saying------ John 
> Hagen
>
>
> On Mon, Jan 20, 2014 at 1:44 AM, MadMarx wrote:
>
>> Scott and all the others responded,
>>
>>
>>
>> I never intended to find an alternative to the Southwick conversion. The
>> reason is a different one.
>>
>>
>>
>> Our rules say: Strengthened axle shafts are allowed but no word about 
>> doing
>> any changes to the axle housing.
>>
>> As I understand the rules the stock housing has to remain stock.
>>
>>
>>
>> I had on my wish list:
>>
>>
>>
>> 1.    Make it safe
>>
>> 2.    Keep it within the rules
>>
>> 3.    Keep it interchangeable with the stock system
>>
>>
>>
>> I own a Porsche 911 and this car has a TR2 like axle spline on which the 
>> hub
>> is pushed on.
>>
>> No woodruff key, not press needed to remove. Quite simple thing.
>>
>> The TR2 has the same idea but not well engineered. So I thought I could 
>> use
>> the TR2 shaft as a basic pattern and remove all the wrong stuff to make 
>> it
>> last as good as the Porsche shaft does.
>>
>>
>>
>> The good thing would be  if I hit a concrete wall and bend the shaft, I 
>> can
>> part out any TR4 road car for a spare axle on the track parking lot to 
>> make
>> the car going again.
>>
>>
>>
>> Racing in Europe is quite strict with rules and also competitors might
>> protest you out of competition if the car is not bullet proof according 
>> to
>> the rules.
>>
>>
>>
>> Sorry to rise concerns.
>>
>>
>>
>> Cheers
>>
>> Chris
>>
>>
>>
>>
>>
>> Von: Scott Janzen [mailto:sjanzen at me.com]
>> Gesendet: Montag, 20. Januar 2014 03:28
>> An: Tony Drews
>> Cc: MadMarx; fot at autox.team.net
>> Betreff: Re: [Fot] TR4 axle shafts
>>
>>
>>
>> I know of at least one TR racer that has just gotten the modified axles 
>> from
>> Southwick, and had a local machine shop do the axle housing 
>> modifications.
>> This would avoid the need to ship the whole axle assembly.  Not sure what
>> sort of jig is needed to get the housing ends in the correct position for
>> welding - perhaps the axles themselves?
>>
>> The axles are available from a number of circle-track aftermarket 
>> suppliers
>> - quite possible they could be modified locally as well, and a quick 
>> search
>> indicates they are about $300/pair. If they have to be bought from the US
>> anyway you might as well have Southwick do it and send them to you. They
>> might be able to supply the axle housing ends as well.
>>
>>
>>
>> Southwick Machine
>>
>> Coal Valley, Illinois
>>
>> Robert Southwick
>>
>> robsouthwick at gmail.com
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