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).
Blueprint showing performance variation graphs and data for a Delco Damper.
Identifier | ExFiles\Box 28\1\ Scan214 | |
Date | 9th January 1931 guessed | |
SHEET VI VARIATION IN PERFORMANCE WITH SPEED DELCO DAMPER TOP GRAPH & TABLE: 154 LBS/sq in OIL PRESS. BALL PIN VEL | MAX. PRESS | M.E.P. .75 | 33 | 29.4 | A 1.08 | 38.4 | 33 | B 1.50 | 52.5 | 43.8 | C Graph lines labelled: .75 FT/SEC A, 1.08 FT/SEC B, 1.5 FT/SEC C VALVES G4 2G. 4" BALL PIN STROKE BOTTOM GRAPH & TABLE: 462 LBS/sq in OIL PRESS. BALL PIN | MAX. PRESS | M.E.P. VEL A .75 | 308 | 215 B 1.08 | 420 | 300 C 1.50 | 495 | 360 Graph lines labelled: .75 FT/SEC A, 1.08 FT/SEC B, 1.50 FT/SEC C VALVE 2G. G4 4" BALL PIN STROKE TESTS TAKEN WITH 7.5" LEVER. THE VALVES 2G. G4. BEING RECOMMENDED FOR THE FRONT OF AMERICAN PI CARS. | ||