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).
Heat dissipation tests for various car radiator matrices, comparing performance at different speeds and after mileage.
| Identifier | ExFiles\Box 131\1\ scan0354 | |
| Date | 19th October 1937 guessed | |
| SHEET 2 (A) HEAT DISSIPATION TESTS CARRIED OUT AT MESSRS JOHN MARSTON LTD WOLVERHAMPTON TABLE 1 | MATRIX (ALL MK.{R. E. B. Meade-King} VI) | AIR VEL. 20 M.P.H DISSIPATION HP | AIR VEL. 30 M.P.H DITTO | AIR VEL. 40 M.P.H DITTO | AIR VEL. 60 M.P.H DITTO | COMPARISONS ON AVERAGE DISSIPATIONS | COMPARISONS ON 60 M.P.H DISSIPATIONS | |---|---|---|---|---|---|---| | ① NEW STD. MATRIX | 48.4 | 65.1 | 76.9 | 88.6 | | | | ② NEW LIGHTENED MATRIX .005 TINNED WATERWAYS .003 UNTINNED AIRWAYS | 43.1 | 57.3 | 69.6 | 82.4 | DROP IN DISSIPATION - 10% | DROP IN DISSIPATION -7% | | ③ 32 EX. CAR LIGHTENED MATRIX. 2 AFTER 1500 MILES TEST. | 36.8 | 52.3 | 62.2 | 78.9 | DROP DISSIPATION 9% | DROP IN DISSIPATION -4% | (B) HEAT DISSIPATION TESTS CARRIED OUT AT BROOKLANDS ON PH. III CARS. (5 BLADE CADILLAC FAN. 1.0/1 RATIO) TABLE 2 | MATRIX (ALL MK.{R. E. B. Meade-King} VI.) | CAR SPEED (F.T) 90 M.P.H CRITICAL AIR | COMPARISONS ON 90 M.P.H. DISSIPATIONS | |---|---|---| | 1) NEW STD. MATRIX STD. TOP GEAR. | 38.5 | | | 2) 32 EX. CAR MATRIX WHEN NEW - LIGHTENED CONSTRUCTION AS ABOVE | STD. TOP-GEAR - 35 OVERDRIVE - 37 | DROP IN DISSIPATION - 9% | | 3) MATRIX AS (2) AFTER 15000 MILES TEST | OVERDRIVE - 34 | DROP IN DISSIPATION - 7% | | ||