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).
Performance graph showing the estimated performance of two aftercooler cores with a 1/2 inch space between them.
| Identifier | ExFiles\Box 149a\2\ scan0388 | |
| Date | 1st May 1936 | |
| Top Left: #4483-2 .20 x 55 x 3.3" A.C. R.V. 4 S.C.L. ROLLS ROYCE TEST SECTION Pasted Box: ESTIMATED PERFORMANCE OF TWO .20 x .55 x 2 1/8 A.C. CORES 1/2" SPACE BETWEEN CORES Top Right: RESEARCH ENG. DEPT. EXPERIMENTAL COMB 301 Handwritten: Duplex Handwritten: D17 / 5 / 36 Top Centre: PERFECT CROSS SECTION PAPER 10 X 10 TO ONE INCH NO. 376 Graph Axes: DISSIPATION B.T.U./MIN./SQ. FT. FRONTAL AREA / 100°F.{Mr Friese} DIFF. THEORETICAL AIR HORSEPOWER AIR FLOW - FT./MIN. OR C.F.M./SQ. FT. STATIC - INCHES OF WATER AIR RISE - DEG. F.{Mr Friese} DYN. PRESSURE - M.P.H. Graph Curves: Dissipation Air Rise Dynamic Static Static Air HP Bottom Right: HARRISON RADIATOR CORPORATION LOCKPORT NEW YORK | ||