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).
Extract from a list of experimental parts regarding a self-starter issue with higher compression.
| Identifier | ExFiles\Box 34\3\ Scan134 | |
| Date | 15th June 1917 | |
| X.2642 E Extract from EH1/AT 15.6.17. LIST OF EXPERIMENTAL PARTS ON & C.A. AS DELIVERED TO MR. ROYCE 14. Self starter. We nobice that with the higher compression the motor hesitates to turn the engine over, one can tell by turning itover by hand that it is mcuh harder to turn. R.R. 253 B. (1380 H) S.D. 442. 9-6-17. C. 1966 | ||