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).
Diagrams and specifications for B.60 camshafts and cylinder heads.
| Identifier | ExFiles\Box 124\2\ scan0176 | |
| Date | 20th May 1940 | |
| 1024 To Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} for Mr. Caisley. Jnr.{Charles L. Jenner}3/JH.20.5.40. B.60 Camshafts and Cylinder Heads. Referring to our conversation of Saturday last, I show here the diagrams of the 4 camshafts that were instructed :- (1) PD.223 Sharp pointed cams. Inlet Cam form EB.4020. .400 VALVE LIFT Exhaust cam form EB.4019. .375 Diagram 1 text: I.C. 1° LATE 4° EX 236° 32 55° INLET 216° (2) PD.281 Long Duration .437 Inlet valve lift. Inlet cam form EB.4331. Exhaust cam form EB.4019. .375 VALVE " Diagram 2 text: 6° EX 236° 46 50° INLET 232° | ||