Roger,
As far as my recollection goes, that is the model that first had disc brakes on a production car. Alot of this historical info comes from when I was a kid as I read Road & Track religiously; and when I was at college, I would go to the library to study and somehow always ended up in the car section. I would end up reading all the car books instead of studying. The TR2 did come out in 1952, but it was either late or in limited production; and that's why you sometimes see the 1953 date. I don't remember everything about it as Triumph wasn't one of my specialty cars. Alfa Romeo is the marque I know most about. Oh, and that kid time was in the '60s; so that was about 40 years ago. I'm not trying to boast, but to be candid, all my friends and family are amazed by my memory, especially for these little tidbits of usually useless information. Anytime you have a question, I will be glad to try and answer it or at least let you know where we can find the answer.
Gary
Roger Russell <roger.russell@frontiernet.net> wrote: Gary,
It's interesting you should point out the aircraft angle. I
found this on Jaguar history:
The D-type was to break fresh ground as it was of largely monocoque
construction. To this 'tub' of magnesium alloyTThe D-type was to
break fresh ground as it was of largely monocoque construction. To
this 'tub' of magnesium alloy was attached a tubular front sub-frame
which carried the engine, steering and front suspension. With its bag
tanks for the fuel, the D-type borrowed a good deal from aircraft
practice. It was created by Bill Heynes and Malcolm Sayer.
With the use in racing, the D type clearly was an important car in
the developement of Jaguar, but the early brakes were inboard on the
axle and bear little resemblance to the modern disk brakes. I worked
with someone that owned an 60's E type with an early V12, he rebuilt
his disk brakes once and nearly parked the car on blocks he was so
frustrated with it. Now I read the V12 came out in 1971, so my
recollection on his model year must be off a little. That was when I
working auto parts and I had the best memory in the store for models
and specs. But I am human, on occassion.
This was on the Jaguar home page history section.....
In 1954 the XK120 was superseded by the XK140, with a more powerful
190bhp engine. A year later Jaguar's compact saloon was announced the
first Jaguar with unitary construction. Powered initially by a 2.4
litre version of the xk engine and known simply as the 2.4, this car,
later modified, became known as the MKII and was to remain in
production for over ten years.
The Mk II version of the compact saloon was announced, with disc
brakes - which had been developed for Jaguar’s Le Mans winning cars.
Then the 2.4 and 3.4 litre models were joined by the new 3.8 litre.
With 220 bhp on tap, this turned the compact Jaguar into
businessmen's expresses.
Jaguar fitted disc brakes to the XK150 from May 1957 and in 1958 a
roadster version of the XK150 was introduced for the USA with the
luxury of wind-up windows.
So, the bloody limey's appeared to be leading the pack on advanced
engineering. I looked up Triumph, and found that in 1952 they did
have a new model the TR2, with the TR3 in 1955. Different web sites
had conflicting information on the TR2. Some said the model was from
1952-1955, but another listed the first model year in 1953. So, you
can probably tell me more about Triumph than I was able to learn on
line.
TR2 (1952)
Was this the model with disk brakes?
Anyhow, thanks for the answer, I enjoy discussing auto history with
someone that knows about it more than I do!
> Roger,
> ATE is Alfred Tevis, the German brake system maker and OEM supplier
> to many European auto manufacturers; and they also make brake
> fluid. I was referring to non-synthetic brake fluid; although you
> are correct that you can't mix the two. There are other systems out
> there like Citroen and some Rolls-Royces that use even different
> fluids. Actually, disc brake technology came from the aircraft
> industry; but I'm not disputing your point about their early work
> in developing them for auto use, especially in racing. If I
> remember correctly, though, I think the first production car to use
> them was the Triumph TR-2 in maybe 1952 ?
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Received on Fri Feb 10 10:30:13 2006
