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).
Test results for water loss and temperatures under various speed and component configurations.
| Identifier | ExFiles\Box 11\3\ 03-page208 | |
| Date | 18th July 1930 | |
| 18/7/30. 1° Tests for loss of water, temp. 75° to start off, maximum speed, time, temperatures. Maximum speed of car complete with 4 people up:- Distance round the track: 2.548 m.{Mr Moon / Mr Moore} 24. )) Time:: 73 2/5 secs. = 124.981 kms. p. h.{Arthur M. Hanbury - Head Complaints} ) 73 secs. = 125.666 kms. p. h.{Arthur M. Hanbury - Head Complaints} ) 73 4/5 secs. = 124.304 kms. p. h.{Arthur M. Hanbury - Head Complaints} ) Readings obtained from the Guide. M.P.H. 77.67 78.10 77.25 Top water temp. Bottom water temp. Oil temp. Air temp. Water 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 temp. Bottom water temp. Oil temp. Air temp. Water 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 temp. Bottom water u temp. Oil temp. Air temp. Water 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. | ||