Radiator tests at Brooklands for Chassis No. 22 G V.
| Identifier | ExFiles\Box 155\1\ scan0196 | |
| Date | 31th March 1936 | |
| CHASSIS NO. 22 G V. {VIENNA} Radiator Tests at Brooklands. 1. Header tank half full. Max. speed, full throttle. Air temperature 14°c. Head wind on Railway Straight. Following wind past Vickers Shed. WATER TEMP. IN ENGINE. WATER TEMP. IN RADIATOR. DIFFERENCE. 81°c. 75°c. 6°c. 87 80 7 88 80 8 82 75 7 85 80 5 85 78 7 Average. 84.6°c. 78°c Mean difference 6.6°c 2. Header tank empty.(matrix just covered) Conditions as above. Mirror fitted to observe shutters. WATER IN ENGINE. WATER IN RADIATOR DIFFERENCE SHUTTER POSITION. 76°c. 72°c. 4°c. Half open. 90 ¼ 80 10 Open. 83 75 8 Open. 79 71 8 Half open. 83 75 8 Half open. 85 80 5 Half open. 89 81 8 Open. 83 75 8 Open. 80 72 8 Half open. 81 75 7 ¾ open. 80 72 8 Half open. 82 77 5 Half open. (Slow down) 82 75 8 Open. Average. 83°c. 75.4°c. 7.6°c. 3. Same conditions as 2, but at reduced speed. WATER IN ENGINE WATER IN RADIATOR DIFFERENCE SHUTTER POSITION. 75°c. 65°c 10°c. Closed. Half open. 79 70 9 Half open. 77 69 8 Half open. (Speed increased) 86 80 6 Half open. 80 71 9 Half open. Average 79.4°c. 71°c. 8.4°c. | ||
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).