Table of results from cooling tests carried out at Brooklands on the 37 EX car.
| Identifier | ExFiles\Box 155\1\ scan0302 | |
| Date | 24th August 1937 guessed | |
| (SHEET 3) RESULTS OF COOLING TESTS CARRIED OUT AT BROOKLANDS ( 40 MPH FULL THROTTLE ) ON 37 EX CAR CONDITIONS OF TEST | | AIR TEMP DURING TESTS °C | CRITICAL AIR TEMP °C ------------------|---|--------------------------|---------------------- STD. MATRIX | B.S.O | 16.5 | 35.0 STD. FAN | | | STD. MATRIX | B.S.O | 24.0 | 38.0 5 BLADE FAN 1.0/1 RATIO | | | STD. MATRIX | B.S.O | 24.0 | 41.5 5 BLADE FAN 1.1/1 RATIO | | | STD. MATRIX | B.S.O | 18.0 | 42.0 5 BLADE FAN 1.2/1 RATIO | | | LIGHTENED MATRIX | B.S.O | 21.0 | 27.0 STD FAN | | | LIGHTENED MATRIX | B.S.O | 21.0 | 30.0 5 BLADE FAN 1/1 RATIO | | | HARRISON MATRIX | B.S.O | 24.0 | 38.5 5 BLADE FAN 1/1 RATIO | | | GALLAY MATRIX ( 60 M.M. ) | B.S.O | 25.5 | 25.5 5 BLADE FAN 1/1 RATIO | | | MATRIX WITH AIR SLOTS | B.S.O | 22.0 | 28.5 5 BLADE FAN 1/1 RATIO | | | NOTE (A) B.S.O DENOTES BONNET SHUTTERS OPEN (B) CRITICAL AIR TEMP IS MINIMUM ATMOSPHERIC TEMP NECESSARY FOR WATER TO REACH 100°C IF DRIVEN AT 40 MPH FULL THROTTLE LONG ENOUGH. (C) MINIMUM ATMOSPHERIC TEMP FOR WATER LOSS TO OCCUR IS 5°C ABOVE CRITICAL AIR TEMP ( OWING TO STEAM VALVE ) | ||
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).