Specification revision document for Engine Unit No. 11, Chassis 23-EX, comparing previous and revised parts.
| Identifier | ExFiles\Box 169\1\ img027 | |
| Date | 5th December 1929 | |
| To Hs. {Lord Ernest Hives - Chair} from RHC {R. H. Coverley - Production Engineer} /WSC. {W. S. Cassel} XU663 RHC {R. H. Coverley - Production Engineer} /WSC {W. S. Cassel} 14/MS5.12.29. Engine Unit No.11.(Chassis 23-EX). Specification of above Unit issued in RHC {R. H. Coverley - Production Engineer} 3/MS31.10.29. is revised as follows: Passed to Test 3.12.29. Previous Specification Radiator - LOP.E.77675 Front Axle Control Dampers - LOP. F.79507 Petrol Tank - LOP.F.80663 Controls - LOP. E.77574 Exhaust Fittings - LOP. E.79108 Propeller Shaft - LOP. G.7685A. Revised Specification Radiator - LOP.E.77675 - LeC 2675 Existing Radiator modified for Water Pipe Throttle Valve LeC 2675. Front Axle Control Dampers - LOP. F.79507 New set fitted. Load set at H.P. 80 lbs. L.P. 70 lbs. Petrol Tank - LOP. F.80663 Three Pipe Line Hobson Telegauge F.81131. Controls - LOP. E.77574 New set of Instrument Board Controls. Exhaust Fittings - LOP. E.79108 (1) Strengthened Cut-out Nozzle E.78271. (2) Existing Alum. Induction Bend arranged for exhaust heated, Return feed pipe to front end of Rear Silencer.(Temp. Scheme). Propeller Shaft - LOP.G.76851 New Standard Prop: Shaft complete. contd. | ||
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).