1951 JBS MKI news, pictures, and information
Chassis Num: RAC/002/51/AC
Engine Num: CNR-MKI
In 1951 Alf Bottoms built a batch of 13 cars which were extremely successful. Unfortunately, Alf was killed in practice for the Luxemburg Grand Prix in early 1951 and the car's development was curtailed. They were extremely well built, and of an advanced design. They were powered by Manx Norton, JAP and Triumph engines. The original Works Cars had anodized aluminum bodies and wire wheels; later Dunlop cast magnesium wheels were fitted which were more reliable. Drivers included, Peter Collins, Curly Dryden, Wing Commander Aitkin's, Don Parker, John Coombs, and Les Leston.
The vehicle is constructed from tubular steel twin tube chassis. It has double wishbones in the front and rear, using coils and springs, and Alf Bottoms designed telescopic dampers. The car has a light-alloy rack-and-pinion steering. There are twin leading shoe brakes, Alfin drum brakes, and a rear mounted engine. The Norton gearbox is chain driven to the rear axle (no differential). There is a mechanical fuel pump, light alloy 15-inch wheels, and a light alloy fuel tank and body.
Richard Utley was a regular competitor at Goodwood from 1955 to 1960 first in a LeMans Replica Frazer-Nash, followed by a Tajeiro 1100 and Lotus XI. In 1958 he worked with John Tojeiro building the 1100 sports car. He was also the designer of Caravelle Formula Junior, which he built with Bob Hicks in 1960/61. He gave up racing in 1962, only returning to Historic Racing in 1987, first with a Marlyn F3-500 and then with his JBS F-3 500. In the early nineties as well as the JBS he campaigned a Lotus Eleven, and more recently the MK1 Caravelle FJ. In 1990 he founded C&R Engines with Charlie Banyard Smith re-manufacture the long stroke Manx engine.
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