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).
Alteration note for a B40 3.500 Bore engine's crankcase and cylinders.
Identifier | ExFiles\Box 132\3\ scan0129 | |
Date | 21th March 1940 | |
To RM.{William Robotham - Chief Engineer} 118/RE File 1117 21. MARCH 1940. B40 3.500 BORE SECTION 5000 RE 112. CRANKCASE & CYLINDERS. ALTERATION ① C'BORE ADDED IN TIMING GEAR STUD HOLES. ② SHAPE OF WATER GALLERY HOLE ALTERED. ③ VALVE POCKET SHOWN MACHINED. REASON ① TO FACILITATE FITTING OF STUDS. ② TO CONFORM TO OTHER C'CASES. ③ DUE TO CASTING BUILDING UP. NO ALTN TO PATTERN. NeG Shaw | ||