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Thursday 20 August 2020

1952 Jason 500cc F3

This car competed in the 500cc Formula 3 class alongside Formula Junior cars in the Historic Formula Junior Championship race at the Aston Martin Owners Club's meeting at Oulton Park in September 1992.
It's Roy Hunt's 1952 Jason F3 car, and it seems to be the only one ever made. It was built by Godfrey Messervy between July and November 1952, the name being taken from the initials of the months July, August, September, October and November. It has a conventional four tube chassis with double wishbone suspension at the front, and swing axle with rubber bands at the rear though this was very soon supplemented with coil springs. The original engine was a Triumph with twin plugs and fuel injection. Godfrey Messervy drove the car at a few race meetings, but had to give up his racing exploits due to business commitments - later becoming chairman of Lucas and president of the Society of Motor Manufacturers and Traders, and going on to receive a Knighthood. The car disappeared until the 1980s when it received a JAP engine and gave a good account of itself in continental historic racing events, then was acquired by Roy Hunt in 1989. One oddity about the car is the bulge towards the nose of the car just above the racing number, and a groove leading up towards the driver. The bulge contains the rev counter and the groove is to enable to driver to see it.

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