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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).
Performance test results for tests 9, 10, and 11, detailing lap times and speeds under various conditions.

Identifier  ExFiles\Box 29\3\  Scan076
Date  3rd June 1920
  
Contd.
-4-
3.6.20.

Test 9!
Condition - Hood down - windscreen down - cut-out closed. 3/8" liners under cylinders.

Lap 1.
Time: 2 m 27 1/2 sec.
Speedometer: min. 67, max. at stop.

Lap 2.
Time: 2 m.{Mr Moon / Mr Moore} 26 1/2 sec.
Speedometer: min. 67, max. at stop.

Lap 3.
Time: 2 m.{Mr Moon / Mr Moore} 26 sec.
Speedometer: min. 66, max. at stop.

1/4 mile flying.
Time: 26 secs.
Speedometer: at stop.

1/4 mile from 10 M.P.H.
Time: 41 secs.
Speedometer: 72 M.P.H.

Test 10
Condition - Hood and screen up - cut-out open. 1" liners under cylinders.

Lap 1.
Time: 2 m 22 sec.
Speedometer: min. at stop, max. ditto

Lap 2.
Time: 2 m.{Mr Moon / Mr Moore} 21 sec.
Speedometer: min. at stop, max. -

Lap 3.
Time: 2 m.{Mr Moon / Mr Moore} 20 sec.
Speedometer: min. at stop, max. -

1/4 mile flying.
Time: 25 secs.
Speedometer: at stop.

1/4 mile from 10 M.P.H.
Time: 40 1/2 secs.
Speedometer: 73 MPH

Test 11.
Condition Hood down - screen up - cutout open. 3/8" liners under cylinders.

Lap 1.
Time: 2 m.{Mr Moon / Mr Moore} 21 sec.
Speedometer: min. 73, max. at stop.

Lap 2.
Time: 2 m.{Mr Moon / Mr Moore} 21sec.
Speedometer: min. 74, max. at stop.

Lap 3.
Time: 2 m.{Mr Moon / Mr Moore} 21 sec.
Speedometer: min. 73, max. at stop.

1/4 mile flying.
Time: 24 secs.
Speedometer: at stop.

1/4 mile from 10 M.P.H.
Time: 40 1/2 secs.
Speedometer: 74 M.P.H.

Contd.
  
  


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