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Triumph 20TS
Triumph 20TS
Overview
Manufacturer	Triumph Motor Company (1945)
Also called	Triumph Renown sports version; Triumph TR1
Production	1952; one prototype
Body and chassis
Class	Sports car
Body style	Open two-seater
Layout	FR
Related	Triumph TR2
Powertrain
Engine	1991 cc Standard wet liner inline-four engine with two SU carburettors; 75 hp (56 kW) at 4500 rpm
Dimensions
Wheelbase	2,311 mm (91 in)
Length	3,581 mm (141 in)
Width	1,410 mm (55.5 in)
Kerb weight	775 kg (1,708 lb)
Chronology
Predecessor	Triumph Roadster,; Triumph TR-X
Successor	Triumph TR2

The Triumph 20TS was a prototype sports car shown by Standard-Triumph in October 1952 at the London Motor Show. Extensive development of the 20TS led to the introduction of the Triumph TR2 in March 1953 at the Geneva Motor Show, after which the 20TS was unofficially referred to as the Triumph TR1. Only one example of this car was ever made by Triumph.

History

The 20TS was shown to the public in October 1952 at the London Motor Show at Earls Court.^[3]^[4] Reactions to the 20TS were mixed. Criticisms included a tight interior and lack of boot space.

To get an opinion of the car's performance and handling at speed, Standard-Triumph chairman Sir John Black invited BRM development engineer and test driver Ken Richardson to drive it.^[5] Richardson had a low opinion of the 20TS's performance and handling, describing it as a "death-trap" with poor handling and a top speed of 80 mph (129 km/h),^[6] short of Black's target of 90 mph (145 km/h):

Frankly, I think it's the most bloody awful car I've ever driven.
— Ken Richardson, BRM test driver, to Sir John Black, chairman of Standard-Triumph.^[5]

Upon hearing Richardson's assessment, Black asked him to help redesign the car.^[5] Richardson tuned and modified the engine and worked with Triumph engineers to increase the brake size, modify the front suspension, and experiment with rear springs and shocks. A stronger frame with improved torsional rigidity was designed. Meanwhile, the stylists widened and lengthened the car for more interior room and boot space, mounting the spare wheel inside the boot. The result was the Triumph TR2, introduced in March 1953 at the Geneva Motor Show.^[5]

Features

The 20TS was built using existing components: its engine came from the Standard Vanguard, its suspension from the Triumph Mayflower, and its chassis from the Standard 8 hp, itself based on the pre-war Standard Flying Nine.^[1]^[6]

The body was designed to be built economically, with no panels requiring double-action presswork. Economy of design was considered vital, as the company did not expect high sales figures and had targeted a price of £500 before sales tax. The rear of the car was short and curved and had the spare tyre bolted to it.^[1]

Legacy

The 20TS was the origin of the Triumph TR sports car line,^[4] and was referred to unofficially as the TR1 after the introduction of the TR2.^[1]

It is unknown whether the 20TS exists today. According to Bill Piggott, the car might have been scrapped to provide parts for a TR2 prototype.^[7]

Citations

^ ^a ^b ^c ^d ^e Langworth 1973, p. 133.
^ ^a ^b ^c ^d ^e ^f Culshaw & Horrobin 2013, p. 318.
^ Trummel 2012, pp. 54–55.
^ ^a ^b Elliott 2007, p. 101.
^ ^a ^b ^c ^d Langworth 1973, p. 134.
^ ^a ^b Robson 1972, p. ^{[page needed]}
^ Piggott 2009, p. 18.

References

Culshaw, David; Horrobin, Peter (2013) [1974]. "Triumph". The Complete Catalogue of British Cars 1895 - 1975 (e-book ed.). Poundbury, Dorchester, UK: Veloce Publishing. pp. 315–322. ISBN 978-1-845845-83-4.
Elliott, James (March 2007). Elliott, James (ed.). "The Magic Numbers". Classic & Sports Car. 25 (12). Haymarket Publishing: 100–109. ISSN 0263-3183.
Langworth, Richard M. (1973). "Trundling Along With Triumph – The story thus far...". Automobile Quarterly. 11 (2 (Second Quarter)). Automobile Quarterly Inc.: 116–145. LCCN 62004005.
Piggott, Bill (2009). "Prologue:TRs Past and Present". Collector's Originality Guide Triumph TR2 TR3 TR4 TR5 TR6 TR7 TR8. Minneapolis, MN US: MBI Publishing. pp. 14–45. ISBN 978-0-7603-3576-5. LCCN 2008047897. Retrieved 26 November 2014.
Robson, Graham (1972). The Story of Triumph Sports Cars. Motor Racing Publications. ISBN 0-900549-23-8.
Trummel, Reid (July 2012). "1960 Triumph TR3A Convertible". Sports Car Market. 24 (7): 54–55.