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 for a Bentley Radiator (Marston Mark V).
| Identifier | ExFiles\Box 149a\2\ scan0364 | |
| Date | 28th February 1936 | |
| L 610 B1 BENTLEY RADIATOR (MARSTON MARK V) FRONTAL AREA = 3.24 sq ft FRONTAL ASPECT = 23 7/8" HIGH x 19 5/8" WIDE = 3.26 sq ft COOLING SURFACE = Nº OF WATER PASSAGES = 32 DEPTH OF BLOCK = 58 MM. CONSTANT WATER FLOWS (A) 35 GALLS/MIN (B) 20 GALLS/MIN AIR INLET 60°F WATER MEAN 160°F H.P. DISSIPATED AIR PRESSURE AT WATER TEMP OF 160°F Vertical Axis (Left): STATIC DIFFCE IN AIR PRESS. INS. WATER. MATRIX TRUNKED FORE AND AFT. Vertical Axis (Right): H.P. DISSIPATED / 100°F TEMP. DIFFCE AIR IN TO WATER MEAN. Horizontal Axis (Top): AIR FACE VELOCITY, MILES PER HR Horizontal Axis (Bottom): AIR FLOW CU.FT/MIN CALCULATED AT 60°F AND 29.9" Hg LINCOLN EJS 28/2/36 | ||