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BMW 750 Record Racer 1935

Ernst Henne's speed record stood for only two months. Joe
Wright was ready with another vehicle powered by the fantastic JAP 1000
two-cylinder V, longitudinal, engine. In November, 1930, he drove the motorcycle
at Cork, Ireland, where he raised the world record to 150.70 m.p.h. BMW got
ready to retaliate by spending two years studying aerodynamics and improving its
engine. On November 2, 1932, Henne raised the record again, this time to 151.86
m.p.h.
From that point on, BMW had nobody to beat but itself. In 1934
Henne got up to 153 m.p.h. In 1935, with a fully elastic chassis and streamlined
fairing, he raised the record to 159.1 m.p.h.
In 1936 the BMW technicians decided to decrease the motorcycle's displacement
from 750 to 500 cc. It seems odd to cut a racing motorcycle's engine size, but
there was a sound basis for this technical change. The BMW 500 single-shaft
motorcycle had to offer a certain margin of reliability in circuit racing if it
was to last the race, but in record racing far less endurance was demanded. Thus
the BMW 500 could generate 106 h.p., which enabled Henne to become the first man
in the history of motorcycle racing to set a world speed record with a 1/2-liter
vehicle: 169.01 m.p
Motorcycle: BMW 750 Record Racer Manufacturer: BMW, Munich
Type: World record Year: 1935
Engine: BMW two-cylinder, opposed at 180°. Four-stroke with overhead valve
distribution, rod and rocker. Supercharger. Displacement 735.8 cc. (83 mm. x 68
mm.)
Cooling: Air
Transmission: Four-speed block Power: 100 h.p.
Maximum speed: About 160 m.p.h.
Chassis: Double cradle in tubular elements. Front, telescopic suspension; rear,
wheel drive
Brakes: Front and rear, central drum
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