Specification revision for the Peregrine II - No.1 Unit, detailing changes to the camshaft and cross drive shaft.
| Identifier | ExFiles\Box 169\4\ img098 | |
| Date | 26th August 1932 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} or AJH. or S.H. or I.R. [STAMP: 22 AUG 32] RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 3/IS.26.8.32. PEREGRINEExperimental Bentley car never produced / Aero Engine II. - NO.1.UNIT. Specification of the above Unit is revised as follows.- Previous Specification. Camshaft LOP.E.100112. E.100111 Camshaft 108 1/4° removed. Cross Drive Shaft LOP.E.100131. Gear E.100122 to suit Camshaft with Gear Angle of 14 1/2° obliquity. removed. Revised Specification. Camshaft LOP.E.100112. * E.100111 Camshaft 108 1/4° to Hs. {Lord Ernest Hives - Chair} 633. Gear on Camshaft - Angle of Obliquity 20° - fitted 25.8.32. Cross Drive Shaft LOP.E.100131. Gear E.100122 to suit Camshaft with Gear Angle of 20° obliquity - fitted 25.8.32. [Handwritten Signature] RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} Measured timing of this shaft U2C I.O. TDC E.C. 30 B.B.D.C. Duration Inlet - 215 I.C. 35 P.B.D.C. E.O. 5 P.T.D.C. Exhaust - 215 '013 I.O. 3° B.T.D.C. E.O. 34 B.B.D.C. Duration Inlet - 222 I.C. 39 A.B.D.C. E.C. 8 P.T.D.C. Duration Exhaust - 222 | ||
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).