Wilsons Sandbox

>
>With 0 toe in, the wheels tend to steer themselves with each small or large
>bump. Makes the car wander all over the place and you find yourself constantly
> correcting.

>Would you please expand on your comment that the "joints should be adjusted
>so that the springs are almost compressed"?
>I have searched for instruction on this and found nothing in the usual
>sources. Is this possibly the source of the play in the steering wheel
>(i.e. about 1-1 1/2 ")? How about the track rod? How do we determine
>"almost compressed"?

>> hi Len, Ben, et al - the theory is that you need toe-in, because at speed
>> the tie-rod end springs compress so that the wheels run parallel. Now the
>> joints should be adjusted so that the springs are almost compressed, so
>> I've
>> never really believed this. TC0978 is fitted with Rose-jointed rods, and I
>> got some tyre scrub until I realised I needed to set up with 0 toe-in...
>> ocTagonally
>> TCRoger

>Rose joints are "rod end bearings" as used on hydraulic cylinders and racing
>cars for many years. They comprise a spherical stainless steel inner ball
>with through hole for mounting, which rotates in a plastic outer part which
>is crimped into a plated steel housing, with either male or female threaded
>ends.

> Roger,
>
> >Rose joints are "rod end bearings" as used on hydraulic cylinders and racing
> >cars for many years. They comprise a spherical stainless steel inner ball
> >with through hole for mounting, which rotates in a plastic outer part which
> >is crimped into a plated steel housing, with either male or female threaded
> >ends.
>
> Where do I get them and what do I ask for?
>
> Graham
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>

>Graham,
>
>I've finally learned that "rose joint" is British for what Americans call
>a "heim joint." So what you look for will depend on where you are
>looking. In the US, most hot rod and racer supply stores should have them.
>
>Charles Hill
>
>
>
>-------------- Original message from Graham Knight
>: --------------
>
>
> > Roger,
> >
> > >Rose joints are "rod end bearings" as used on hydraulic cylinders and
> racing
> > >cars for many years. They comprise a spherical stainless steel inner ball
> > >with through hole for mounting, which rotates in a plastic outer part
> which
> > >is crimped into a plated steel housing, with either male or female
> threaded
> > >ends.
> >
> > Where do I get them and what do I ask for?
> >
> > Graham
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>[Non-text portions of this message have been removed]
>
>
>
>
>Yahoo! Groups Links
>
>
>
>

----- Original Message -----
From: "Graham Knight"
To: "Peter Roberts"
Sent: Tuesday, September 20, 2005 4:17 PM
Subject: Re: [mg-tabc] TC toe in


> Peter,
>
> Very interesting, thanks. I don't think you copied this to the list. I am
> sure they would be interested.
>
> Graham
>
> At 15:58 20/09/2005 -0400, you wrote:
>>Here is more on the Heim Joint
>>
>>
>>
>>
>>
>> History of the Heim Joint - AKA Rod End Bearing
>>
>>
>> World War II produced a host of inventions, some of which are still
>> in use today. It's common knowledge that the Germans used nitrous oxide
>> to make the Messerschmitt fighter planes climb higher and faster than the
>> Allies' planes. When the allies shot down the first German plane they
>> noted a unique device also pioneered by Messerschmitt, the rod end.
>>
>> One U.S. company received the nod to duplicate this new control
>> link. The H.G. Heim company was granted all U.S. patents, and to this day
>> the part retains the nickname "Heim Joint". After the Korean War the
>> surplus aircraft parts market boomed. Hundreds of varieties of rod ends
>> became available at a tenth of their original cost. Many of these parts,
>> while designed for aircraft, were not up to the task of suspension links
>> for race cars. High quality and economical rod ends didn't appear until
>> the late '70s. They were produced by a Japanese company, N.M.B., which
>> was caught by the U.S. government "dumping" (selling below cost) rod ends
>> in the U.S. market. N.M.B. had to form a U.S. presence or leave the
>> marketplace, so they bought a U.S. company, N.H.B.B. (New Hampshire Ball
>> Bearing) and continue to make aircraft-quality rod ends today.
>>
>> As the Heim patents ran out, a U.S. company began to manufacture
>> economical rod ends for the power transmission industry. Superior
>> Industries mass produced economical rod ends and over the course of a few
>> years people from Superior formed Aurora, National, and several other rod
>> end companies. Today over fifteen American companies make rod ends in the
>> U.S. These products run the gamut from the stamped steel bodies used in
>> control links for garden tractors to the 17-4 PH stainless units found on
>> nuclear submarines.
>>
>>
>>_Peter
>>----- Original Message ----- From: "Graham Knight"
>>
>>To: "Roger Furneaux"
>>Cc: "Peter Roberts" ; ".T-ABCs"
>>
>>Sent: Tuesday, September 20, 2005 2:42 PM
>>Subject: Re: [mg-tabc] TC toe in
>>
>>
>>>Roger,
>>>
>>>>Rose joints are "rod end bearings" as used on hydraulic cylinders and
>>>>racing
>>>>cars for many years. They comprise a spherical stainless steel inner
>>>>ball
>>>>with through hole for mounting, which rotates in a plastic outer part
>>>>which
>>>>is crimped into a plated steel housing, with either male or female
>>>>threaded
>>>>ends.
>>>
>>>Where do I get them and what do I ask for?
>>>
>>>Graham
>>>
>>>
>>>
>>>
>>>Yahoo! Groups Links
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>