Power curve graph comparing a steam cooling system and standard water cooling.
| Identifier | ExFiles\Box 24\5\ Scan133 | |
| Date | 10th February 1926 | |
| POWER CURVE 11 G III R.R. STEAM COOLING SYSTEM AND. STANDARD WATER COOLING. ROAD WHEEL B.H.P. ENGINE R.P.M. WATER COOLING. STEAM COOLING. ENGINE TEMP. (WATER COOLING) AT 80°C N.B. ENGINE BECOMES TOO HOT TO ALLOW A FIGURE TO BE OBTAINED OVER 2500 R.P.M. (STEAM COOLING) WATER CAPACITY OF STEAM COOLING SYSTEM RADIATOR TANK 6.375 PTS ENGINE. 8.75 " TOTAL. 15.125 PTS STARTING FROM COLD. TIME TAKEN FOR ENGINE WATER TO REACH 80°C WHEN RUNNING LIGHT AT 1000 R.P.M. STANDARD WATER COOLING 16 MINS R.R. STEAM COOLING. 2 MINS 50 SECS. | ||
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).