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).
Specification for the Engine having the 1' wide Crank Pins with lead bronze Connecting Rod Bearings.
| Identifier | ExFiles\Box 82\3\ scan0005 | |
| Date | 14th May 1934 | |
| +4553 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}20/KW.14.5.34. Specification for the Engine having the 1" wide Crank Pins with lead bronze Connecting Rod Bearings. (1) Textolite timing gears to Hs.{Lord Ernest Hives - Chair}1219 and 1221, with ground steel gears and lapped Textolite gears. (2) Cylinder head 6.75 Compression Ratio, to Hs.{Lord Ernest Hives - Chair}1372. (3) Halford type silent tappets. (If & when available). (4) Crankshafts to EX.14081. (5) Connecting Rods to EX.14210/1. (6) Scheme to prevent valves dropping into cylinder, LEC.3838. (7) Flywheel and clutch, N.Sch.3948/3954. (8) Double contact breaker, LEC.3323. (9) Aerolite pistons in RR.53 with the latest grinding. (on order from Light Production). (10) Helical gear oil pump, LEC.3746. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||