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).
Comparison of radiator efficiency between a 20 HP car and a 20 HP Alfa Romeo.
Identifier | ExFiles\Box 77\4\ scan0370 | |
Date | 12th July 1923 guessed | |
COMPARISON OF RADIATOR EFFICIENCY. 20 HP. ROLLS-ROYCE. - 20 HP. ALFA ROMEO. Table Headers: Climbing weight. Displacement Axle ratio. Gear ratio. Area matrix face. Depth of matrix. Area of face per 1000 ltrs: displ: Direct Drive. Surface of core per 1000 litres displ: per ton mile. Type of Matrix Row 1 (20 HP. R-R.{Sir Henry Royce}): 37 cwts. 3126 c.c. 4.545 - 1 2nd. 7.4 - 1 1st. 14.4 - 1 410 sq" 3.95 49.0 12.38 sq.ft. Air tube. Row 2 (Alfa Romeo.): 29 cwts. 2975 c.c. 3.83 - 1 4-speed not observed. 383 sq" 3.125 74.5 sq" 15.0 sq.ft. Air tube. | ||