Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Comparison of performance data for two cars during various hill climbs.

Identifier  ExFiles\Box 19\7\  Scan130
Date  10th April 1929 guessed
  
Weight of both cars : 33 cwts. 3 qsr.

19" wheels.

11/50 axle on each car.

12.G.1V. 14.G.1V.
STANTON HILL.
Start 10 m.p.h. 10 m.p.h.
Finish 19 m.p.h. 22 m.p.h.
Time 32 secs. 31 secs.

TICKNALL HILL.
Start 10 m.p.h. 10 m.p.h.
Gate 25‡ 29 m.p.h.
Finish 41 m.p.h. 48 m.p.h.
Time 79 secs. 72 secs.

PISTERN HILL.
Start 10 m.p.h. 10 m.p.h.
Max, speed 41.0 " 43.5 "
Min. speed 17 m.p.h. 23 m.p.h.
Speed at Δ34 m.p.h. 38.5 "
Finish 25.75 " 30.75 "
Time 1 m 52.4 s. 1 m.{Mr Moon / Mr Moore} 36.4 s.
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