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).
Graph comparing the cooling performance of plain versus finned condensers against air speed.
| Identifier | ExFiles\Box 179b\2\ img247 | |
| Date | 20th December 1932 | |
| CURVE N°4 COMPARISON OF PLAIN & FINNED CONDENSERS AREA OF 1FT LENGTH OF CONDENSER = 1.25 SQ FT 13 M.P.H. IN AIR SPEED READINGS Y-AXIS: COOLING (PINTS CONDENSATE/SQ.FT./Min.) 1 PINTS CONDENSATE = 52 C.T.U. = 94 B.T.U X-AXIS: AIR SPEED DATA LABELS: FINNED CONDENSER, PLAIN CONDENSER 150 M.P.H. T.P. DE P. 20. 12. 32. | ||