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 graph showing Bentley Cam Toes performance, plotting valve lift against crankshaft degrees for an exhaust cam.
| Identifier | ExFiles\Box 102\5\ scan0157 | |
| Date | 11th December 1933 guessed | |
| BENTLEY CAM TOES. UNIT B7. No.1 CYL. EXHAUSTCAM. CAMS MADE TO LIFT CURVE LEC 3292. DOTTED CURVE SHOWS TOES TO LEC 3294. VALVE LIFT — INCHES. CRANKSHAFT DEGREES. CLOSING TOE OPENING TOE MAX. CLEARANCE FOR QUIET OPENING MAX. CLEARANCE FOR QUIET CLOSING VELOCITY 0.000453 per degree 0.000296 per degree SHEET 23. | ||