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).
Photographic record of engine bearing halves after endurance testing.
| Identifier | ExFiles\Box 114\2\ scan0186 | |
| Date | 21th September 1935 guessed | |
| LOWER HALVES UPPER HALVES <- 1 to 6 -> <- 1 to 7 -> B-16 Unit. 6.8: 1 comp. ratio. Big Ends:- 70/30 alloy RR. lead bronze, centri-cast, after 50 hrs. at 4,000 r.p.m. Main Bearings, white metal, after 50 hours at 4,000 r.p.m. Inter. Bearings, 2nd set, after 30 hrs. at 4,000 r.p.m. | ||