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).
Blueprint showing suggested modifications to a high-compression head for a Bentley engine.
| Identifier | ExFiles\Box 90a\2\ Scan176 | |
| Date | 3rd December 1934 | |
| V1732 FOR OTHER DIMENSIONS SEE EX 16041. BOSS REMOVED INLET EXHAUST 1.350 DIA. 1.500 DIA. 1.528 DIA. 1.500 DIA. 1.600 DIA. 1.625 DIA. .788 CRS .838 CRS 1.600 1.600 SUGGESTED MODIFICATIONS TO HIGH-COMPRESSION HEAD (BENTLEY). ROLLS-ROYCE, LTD. PRINT ROOM. 3 DEC 1934 DERBY FORCED TURBULENCE RATIO KEPT AS HIGH AS POSSIBLE BY ALLOWING A VERY SMALL VALVE CLEARANCE AT THESE CIRCUMFERENCES. RAD 3.12.34 | ||