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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).
Series of tests measuring water loss and temperatures at various speeds and conditions.

Identifier  ExFiles\Box 24\5\  Scan301
Date  18th July 1930
  
18.7.30.

Tests for loss of water, temp. 75° to start, maximum speed,
time, temperatures.
Maximum speed of car complete with 4 people up :-
Distance round track 2.548 m.{Mr Moon / Mr Moore} 24.
Time :: 73 2/3 secs = 124, 931 kms. p.h.) Readings obtained M.P.H. 77.67
73 secs = 125, 666 kms. p.h.) from the Guide. 78.10
73 4/5 secs.= 124,304 kms.p.h. ) 77.25

Top water Bottom water Oil Air Water
Temp. Temp. Temp. Temp. Lost.
92 84 95 18.5
92 84 97 19 .437 gall.
92.5 84 98 19

2° Tests at 60 M.P.H. with fan belt choc-a-bloc with bonnet
shutters closed, temperatures and loss of water. :-

Top water Bottom water Oil Air Water
Temp. Temp. Temp. Temp. Lost.
82.5 77 82.5 18.5
82.5 77 82 18 .250 gall.
82.5 77 82 18

3° Tests at 70 M.P.H. with fan belt choc-a-bloc with bonnet
shutters closed, temperatures and loss of water :-

Top water Bottom water Oil Air Water
Temp. Temp. Temp. Temp. Lost.
90 83 88 19
90 83 89 19
90 84 90 19 .375 gall.
90 83 90 19

4° Test with front shutters open, 60 M.P.H.

Top water Bottom water Oil Air
Temp. Temp. Temp. Temp.
82.5 76 78 17.5
82.5 76 78 17.5
82.5 76 78 17.5
  
  


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