Royal Enfield Super Meteor

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Super Meteor
Royal Enfield Super Meteor 1957.JPG
Manufacturer Royal Enfield
Production 19521962
Engine 692 cc air-cooled overhead valve parallel-twin
Transmission four-speed, chain final drive
Weight 410 pounds (190 kg) (wet)

The Super Meteor was a British motorcycle made by Royal Enfield for export to the US between 1952 and 1962, when the Super Meteor was replaced by the 736 cc Royal Enfield Interceptor. [1]

Motorcycle two- or three-wheeled motor vehicle

A motorcycle, often called a bike, motorbike, or cycle, is a two- or three-wheeled motor vehicle. Motorcycle design varies greatly to suit a range of different purposes: long distance travel, commuting, cruising, sport including racing, and off-road riding. Motorcycling is riding a motorcycle and related social activity such as joining a motorcycle club and attending motorcycle rallies.

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Royal Enfield Interceptor

The Interceptor was a British motorcycle made by Royal Enfield between 1960 and 1970. The 700 Interceptor introduced in 1960 was a modified version of the company's 692 cc Constellation model. In 1962, the company introduced the 750 Interceptor which evolved constantly until the end of production in 1970. But in 2017 a new model of Interceptor with parallel twin 648cc is introduced by Royal Enfield in EICMA, Milan.

Contents

Development

In 1953, the US export market led Royal Enfield to develop a 692 cc, overhead valve twin capable of 100 mph (160 km/h), which was launched as the Meteor. The engine was basically a modified 500 twin crankcase with 350 single (Bullet) pistons, valves and identical 90mm stroke length. In 1954, the Super Meteor was updated and fitted with a new cast alloy headlight nacelle (casquette) housing the speedometer, ammeter and light switch. During 1955, the dynamo and coil ignition was replaced with a Lucas magdyno. This model was replaced by the Super Meteor in 1956 that sported a brand new frame. Based on the Royal Enfield Meteor Minor 496 cc overhead valve engine, the new model had a strengthened crank and improved clutch. The frame was also strengthened to handle the increased torque. The gearbox was modified so that the gear shift lever was concentric with the kick-starter. The compression ratio was increased to 7.25:1; it was upgraded with Lucas alternator and Amal Monobloc carburettor. Modified engines, incorporating electric start, were also produced and supplied by the factory for the Berkeley B95 and B105 car models during 1959 and 1960. The Super Meteor and the sporty Constellation were replaced by the 736 cc Royal Enfield Interceptor in 1962. [1]

Amal (carburettor)

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Berkeley Cars company

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Anti-lock braking experiment

In 1958, a Royal Enfield Super Meteor was used by the Transport Research Laboratory to test the Maxaret anti-lock brake on motorcycles. [2] The Maxaret works by detecting rapid decelerations of the wheel that may cause it to lock and releases and re-applies hydraulic pressure to the brake several times a second, keeping the average braking effort at the maximum that can be used by the road surface and tyre combination. The experiments demonstrated that anti-lock brakes could be of great value on motorcycles, where skidding is involved in a high proportion of accidents. Stopping distances were reduced in almost all the tests, compared with locked wheel braking, but particularly on slippery surfaces, where the improvement could be as much as 30 per cent. Royal Enfield's Technical Director at the time, Tony Wilson-Jones, saw little future in the system and it was not put into production by the company. [2]

Transport Research Laboratory

TRL Limited, trading as TRL, and colloquially known as the Transport Research Laboratory, is a fully independent private company offering a transport consultancy and research service to the public and private sector. Originally established in 1933, by the UK Government as the Road Research Laboratory (RRL), it was privatised in 1996. Its motto or tagline is 'The Future of Transport'.

Maxaret

Dunlop's Maxaret was the first anti-lock braking system (ABS) to be widely used. Introduced in the early 1950s, Maxaret was rapidly taken up in the aviation world, after testing found a 30% reduction in stopping distances, and the elimination of tyre bursts or flat spots due to skids. Experimental fittings on cars and motorcycles demonstrated mixed performance, and ABS systems would not appear on mainstream, non sporting cars until the 1970s when electronic controls matured.

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Motorcycle engine

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Vincent Rapide

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References

  1. 1 2 "Super Meteor" . Retrieved 2009-03-31.
  2. 1 2 Reynolds, Jim (1990). Best of British Bikes. Patrick Stephens Ltd. ISBN   978-1-85260-033-4.

See also