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).
Graphs showing the effect of water circulation on overheating for a 19 E.X. Car water system.
Identifier | ExFiles\Box 14\7\ Scan038 | |
Date | 2nd July 1930 guessed | |
GRAPH II EFFECT OF CIRCULATION ON OVERHEATING 19 E.X. CAR A BACK PRESS CAUSED BY RESTRICTION 15 LBS/SQ" WATER OUTLET FROM THE CYL: BLOCK RESTRICTED TO 23-.125 HOLES. TOP WATER TEMP. ATS TEMP. 20°C SHUTTERS OPEN. SHUTTERS CLOSED TOP WATER TEMP. C° STANDARD RESTRICTED CIRCULATION. STANDARD RESTRICTED CIRCULATION. ROAD SPEED 75 M.P.H. CIRCULATION ON PII WATER SYSTEM RAD: E.79448 6/7 1/2 TUBES. MEAN BOTTOM WATER TEMP: 67°C B RAD: E.79321 TWO RAD OUTLETS. SINGLE RAD OUTLETS. RESTRICTION OF 23 .125 HOLES IN OUTLET PIPE. 65 M.P.H. FLOW GAL/MIN ENGINE R.P.M. C CIRCULATION GAL/MIN DOUBLE RAD: OUTLET SINGLE RAD. OUTLET ENGINE R.P.M. 2500 BOTTOM WATER TEMP. C° CIRCULATION ON PII WATER SYSTEM AT HIGH TEMPERATURES. DOUBLE RADIATOR OUTLET. 6" M/M TUBES 7'.5" M/M 4'.0" 23'.6" 26'.8" | ||