Performance curve graph comparing two induction pipes on a 20/25 HP cylinder head.
| Identifier | ExFiles\Box 31\5\ Scan148 | |
| Date | 7th March 1934 | |
| No1. 7-3-34 UNIT CXIII SPEC. RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} H {Arthur M. Hanbury - Head Complaints} /AP 5.12.33 1 5/8" SU CARBURETTOR ON PORT SIDE OF 20/25 HP TYPE CYL. HEAD COMP RATIO 5.7 : 1 CAMSHAFT OPEN EXHAUST (1) INDUCTION PIPE LEC 3657. (2) INDUCTION PIPE HS {Lord Ernest Hives - Chair} 1529 Y-AXIS LEFT: B.H.P. Y-AXIS RIGHT: BMEP - LBS/SQ" X-AXIS: R.P.M. | ||
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).