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 Gallay 3-row block radiator, showing HP dissipated and air pressure against air flow.
Identifier | ExFiles\Box 149a\2\ scan0366 | |
Date | 25th February 1936 | |
BENTLEY RADIATOR (GALLAY 3 ROW BLOCK.) FRONTAL ASPECT 3.2 sq. ft. FRONTAL AREA 3.18 sq. ft. COOLING SURFACE No OF TUBES 141 (3 ROWS) DEPTH OF BLOCK = 50 M.M. WATER FLOW (A) 34.6 GALLS/MIN. (B) 20.5 GALLS/MIN. AIR INLET 60°F WATER MEAN 160°F L611B1 H.P. DISSIPATED (A) (B) AIR PRESSURE WATER AT 160°F AIR PRESSURE WATER AT 60°F Left Y-Axis: STATIC DIFFce IN AIR PRESS. INS. OF WATER, MATRIX TRUNKED FORE AND AFT Right Y-Axis: H.P. DISSIPATED/100°F TEMP. DIFFce AIR INLET TO WATER MEAN Upper X-Axis: AIR FACE VELOCITY M.P. HOUR. Lower X-Axis: AIR FLOW C.FT/MIN. CALCULATED AT 60°F AND 29.9" Hg AYTON DERBY LINCOLN W S 25/2/36 | ||