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).
Design drawing for a 3-port induction pipe and valve mechanism for a six-cylinder engine, with associated calculations.
| Identifier | ExFiles\Box 134\5\ scan0012 | |
| Date | 14th June 1939 guessed | |
| 3 Port induction pipe which we know nothing about on a six. JNR.{Charles L. Jenner} 2.075 x π = 6.51 3.4 x π = 10.7 6.51 / 6 = 1.08 10.7 / 6 = 1.78 2.1 SQ INS 64° 45° 60 | ||