[Fot] TR4 axle shafts

[jkhagen at charter.net]

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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