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 Duane's Classic Jaguar Quiz

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jag420g
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PostSubject: Duane's Classic Jaguar Quiz   Thu Jan 20, 2011 8:01 am

Can anybody tell me who designed the Varamatic steering box and what was its first application in a production car?

Open your archives people.


Charles smoker reg. trade mark


Last edited by jag420g on Wed Jan 26, 2011 8:21 am; edited 2 times in total
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PostSubject: Re: Duane's Classic Jaguar Quiz   Fri Jan 21, 2011 10:45 am

I wll have a stab at this ,

1920 possibly a Ford , who designed it Mr Varia Matic Smile

Alan S.S.O.C
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PostSubject: Re: Duane's Classic Jaguar Quiz   Fri Jan 21, 2011 12:03 pm

Alan,
OOOH! So close and yet so far away No Any other takers????

Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Fri Jan 21, 2011 9:34 pm

jag420g wrote:
Can anybody tell me who designed the Variamatic steering box and what was its first application in a production car?


Charles smoker

Developed by Hub Van Doorne
in 1958, first used in the Daff 600



If its right were ready for the next question Charles Wink


Clive
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1970 4.2 420G -13th from last RHD -Ronnie
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PostSubject: Re: Duane's Classic Jaguar Quiz   Fri Jan 21, 2011 9:48 pm

PUM, PUM. Incorrect! Do you want to play again? What a Face
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sat Jan 22, 2011 11:19 am

I bet they're German !
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PostSubject: Re: Duane's Classic Jaguar Quiz   Wed Jan 26, 2011 7:56 am

Any clues Charles, Ive been searching again still no joy Sad scratch


Clive
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1970 4.2 420G -13th from last RHD -Ronnie
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PostSubject: Re: Duane's Classic Jaguar Quiz   Wed Jan 26, 2011 8:45 am

Sorry, but you will just have to wait. The answer will be given in the next newsletter. Hopefully though, it will be solved prior to.

Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Tue Feb 01, 2011 10:08 pm

Take 2 scratch

Marles Varamatic is the trademark name of an automotive power steering system of the 1960s and 70s, which was characterised by its variable steering ratio. It was developed in 1961 by the Adwest Engineering Co Ltd of Reading, England, in conjunction with the Bendix Corporation. The Adwest product was fitted to several British luxury automobiles of the era, including; the Aston Martin V8, Daimler Sovereign, Jaguar 420 and Rover P6B 3500S.


I dont know


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1970 4.2 420G -13th from last RHD -Ronnie
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PostSubject: Re: Duane's Classic Jaguar Quiz   Tue Feb 01, 2011 10:34 pm

Clive,
I still want to know who designed it? not which company claimed to develop it, also what was it's first application in a production car.
Your answer details what happened thereafter and who claimed to develop it further etc. Like Adwest engineering.

Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 6:43 pm

An Australian by the name of Arthur Bishop?

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Ron
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 7:13 pm

Ladies and Gentlemen WE HAVE A WINNER!! hurray
Ron could you also please tell our members it's first application in a production car?
C'mon Aussie C'mon C'mon lol!


Best
Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 7:22 pm

Not sure, Charles.

Arthur was a very clever man.

Arthur Bishop

Arthur Bishop has made major engineering contributions in the area of aeronautical and automotive engineering over a period of 60 years, and has filed over 85 separate inventions during this period.

During the 1940's and 50's the focus was in designing shimmy-damped, steerable nose and tail wheel struts for US military aircraft. Under-damping of aircraft nose and tail wheel assemblies was leading to many aircraft crashes early in World War 2, particularly as tire diameters increased in larger bombers developed during the end of World War 2 for use in the Pacific arena. These aircraft needed to land on dirt airstrips hastily prepared in jungles and wheel shimmy often destroyed the aircraft's undercarriage on take-of or on landing. Arthur Bishop invented a unique variable damping arrangement for such nose and tail wheel struts that solved the shimmy problem and, yet also enabled the wheel to be steered for ground-maneuvering of the aircraft.

Technology developed for power steering on aircraft during the latter part of World War 2 was fed into the development of automotive power steering in the 1950's and 60's. This was led by such companies as Houdaille Hershey Corporation (in Detroit MI) and the Saginaw Division of GM (in Saginaw MI). Arthur Bishop worked as Director of Research Houdaille Hershey Corporation in the late 1950's.

Arthur Bishop pioneered research work in the development of variable ratio integral power steering for automobiles in the 1960's. The variable ratio in this case was achieved via an hourglass-worm and roller-follower arrangement. The power steering hydraulic valve developed by Arthur Bishop for this steering gear used an open-centre hydraulic rotary valve with an input-shaft with metering edges generated at very high precision using a revolutionary roll-imprinting process. The outer sleeve portion of the valve was, the first time, a one-piece arrangement and employed arcuate slots manufactured by slotting. This arrangement not only lowered the cost of the system but also dramatically improved valve precision, and hence the ability for the manufacturer to maintain a tight tolerance on the valve hydraulic characteristic. These innovations also led to much higher levels of steering feel for the drivers and hence improved vehicle safety. The input-shaft and sleeve designs developed by Arthur Bishop, and the associated special purpose roll-imprinting and slotting processes, are still used today in over 20% of passenger cars produced in the world each year. Licenses have been granted over the years to tier-1s such as Visteon Corporation, Koyp Seiko CO. Ltd, Mercedes Benz Lenkugen BmbH (MBL) and ZF Lenksysteme GmbH (ZFLS).

In the 1970's Arthur Bishop turned his inventive mind to rack and pinion steering. After various iterations, an ingenious variable ratio tooth geometry was developed for steering racks that enabled a special new class of rack teeth to mesh with a standard helical pinion, yet achieve up to 40% ratio change between on-centre and full-lock with continuous, smooth tooth engagement. Numerous inventions followed that were associated with the process technology for such racks, culminating in the development by Arthur Bishop in the early 1980's of the Bishop VR rack warm forging process. This process is now employed by numerous Bishop licensees throughout the world, including Bishop's own 50/50 Joint Venture with MBL, BMB Steering Innovation GmbH in Schoenebeck, Germany.

Arthur Bishop has also innovated in many other areas of automotive power steering during the 1980's and 1990's including electronically modulated speed sensitive power steering systems and positive centre feel hydraulic systems to improve steering on-centre, 4-wheel steering systems to improve vehicle dynamics, and various process developments such as steering rack induction hardening systems.

Arthur Bishop's goal during his 60 years in the field has always been simultaneous product and process improvement, and he has always strongly believed that the automobile man machine interface can only be optimized if steering feel and kinematics, and the vehicle's overall lateral dynamics are optimised as a single system.

During the 1990's, and up to today, Arthur Bishop has also innovated in the area of public transport, in particular personalised rapid transport systems with a unique wheel-rail geometry and rail switching system. Again, in this separate company, Arthur Bishop has spearheaded the R&D effort according to his principles of intellectual property driven R&D and simultaneous product and process engineering.

Arthur Bishop is recognised in the automotive industry as one of the foremost innovators in automotive steering in the 20th century. The last 60 years has seen the automotive steering gear evolve from the early fingertip steering systems of the 1950's to the electronically controlled flight control servo systems of the modern day car. This development was largely due to the efforts of Arthur Bishop
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 7:37 pm

Ron,
Thank you so very much for that, very enlightening and informative.
Let me also reveal that the varamatic steering box's first application in a production car was of course our beloved MK10/420G Wink

Warmest Regards
Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 8:00 pm

G'day mate,

Many years ago I owned a 1975 Ford Fairlane 351ci 50th Anniversary model, that also had the same steering box.
Like the 420G it was a nice powerful ride Very Happy



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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 8:15 pm

Beautiful looking car! Love that 351, you just couldn't kill them could you?
I didn't have the Fairlane, I had the Ford LTD, the one with the headlight doors that would flip open when the lights were illuminated. I was always envious of the Landau models, same car but a 2 door coupe.
Everyone tried to tell me that LTD meant limited edition, but you and I know that it actually stands for Lincoln Thunderbird Division a carryover from the US parent company. Just another bit of trivia I thought I'd throw in for our honored members.

Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 8:27 pm

Ah yes!

This one won an award at the RACQ Motor fest, last year.

It was simply stunning and owned by a guy in his 30's.



The Landau



Our UK friends may find some interest in this album, all British display day.
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Ron
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 9:11 pm

Yes indeed, memories of my youth (misspent) lol!
Great pics Ron, keep 'em coming!

Charles smoker
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PostSubject: Re: Duane's Classic Jaguar Quiz   Sun Feb 27, 2011 9:19 pm

I dont think us Brits are going to live this one down in the Newsletter that the Aussies won the first quiz question

GB 0
AUS 1


All good fun, keep the questions coming Charles Wink
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PostSubject: Re: Duane's Classic Jaguar Quiz   Mon Mar 07, 2011 5:52 am

Charles,

Where is the next Question Question

Us Brits need a chance to catch you Ozzies up Exclamation Very Happy
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PostSubject: Re: Duane's Classic Jaguar Quiz   Wed Mar 16, 2011 7:32 am

Well, now lets see TC. Since the last question was a little difficult, lets try something a little easier.
Here we go!

What is a MKX”B” and how many were built? car


Please don't rush me all at once No

Charles smoker Reg. Trade mark
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PostSubject: Re: Duane's Classic Jaguar Quiz   Wed Mar 16, 2011 8:57 pm

I'll let Ron have a go before I submit the answer lol!
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PostSubject: Re: Duane's Classic Jaguar Quiz   Thu Mar 17, 2011 7:03 am

Sorry guys, I do not know the answer.

Cheers,
Ron
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PostSubject: Re: Duane's Classic Jaguar Quiz   Thu Mar 17, 2011 7:18 am

Ron,

You shouldnt of written that, Charles will be sat in the sun reading the post grinning Very Happy


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1970 4.2 420G -13th from last RHD -Ronnie
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PostSubject: Re: Duane's Classic Jaguar Quiz   Thu Mar 17, 2011 2:38 pm

Prototype Bayonne

Alan .
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