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 of valve lift against crankshaft degrees for a Bentley No.1 cylinder inlet cam.
| Identifier | ExFiles\Box 85\3\ scan0013 | |
| Date | 29th September 1939 guessed | |
| BENTLEY CAM TOES UNIT B.Y. No.1 CYL. INLET CAM CAM'S MADE TO LIFT CURVE L.E.C. 3292. DOTTED CURVE SHOWS TOES TO L.E.C. 3292. VALVE LIFT CLOSING TOE OPENING TOE MAX CLEARANCE FOR QUIET OPENING MAX CLEARANCE FOR QUIET CLOSING VELOCITY 0.000557 per degree 0.000415 per degree WITH .014 RUNNING CRANKSHAFT DEGREES. SHEET 2. | ||