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).
Drawing detailing the throat areas and cross-sections of high-power supercharger heads.
| Identifier | ExFiles\Box 133\1\ scan0142 | |
| Date | 7th December 1936 | |
| LEC 5422 INTERSECTION OF PLANE OF SECTION WITH JOINT FACE OF HEAD BB No 1 HEAD EB.1989 (LEC.4073) 1.01 □" CC 1.10 □" NOTE THE THROAT PROFILES OF THESE 2 HEADS WERE DETERMINED BY MAKING TEMPLATES TO THE ACTUAL HEADS. THE APPROXIMATE POSITIONS OF THE SECTIONS ARE SHEWN IN SECTION AA.{D. Abbot-Anderson} BB .96 □" No 2 HEAD EB.1989 R.S.315 SECTION FF 1.37 □" SECTION EE 1.55 □" SECTION DD HEAD TO LEC 5368 SECTION BB 1.16 □" SECTION AA{D. Abbot-Anderson} No 2 HEAD AS DE-TURBULATED TO RS{Sir Henry Royce's Secretary} 351 SCALE 1/1 THROAT AREAS OF HIGH POWER S/C HEADS LEC 5422 ROLLS-ROYCE, LTD., PRINT ROOM, 8 DEC 1936, DERBY. J.{Mr Johnson W.M.} Haworth 7th Dec. 1936 | ||