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 detailing the performance of Bentley Cam Toes, plotting valve lift against crankshaft degrees.
| Identifier | ExFiles\Box 85\3\ scan0014 | |
| Date | 29th September 1939 | |
| BENTLEY CAM TOES UNIT B.Y. No. 1 CYL. EXHAUST CAM CAMS MADE TO LIFT CURVE LEC 3292 DOTTED CURVE SHOWS TOES TO LEC 3292 AXIS LABELS: VALVE LIFT - INCHES CRANK SHAFT DEGREES CURVE LABELS: CLOSING TOE OPENING TOE OTHER TEXT: MAX. CLEARANCE FOR QUIET OPENING MAX. CLEARANCE FOR QUIET CLOSING VELOCITY 0.000453 per degree 0.000296 per degree H.I.H 29/9/39 SHEETS | ||