List of weights for various units on a Hispano-Suiza engine.
| Identifier | WestWitteringFiles\L\2April1924-June1924\ Scan119 | |
| Date | 1st April 1924 | |
| To R. {Sir Henry Royce} from Hs. {Lord Ernest Hives - Chair} c. to CJ. RU. c. to E. {Mr Elliott - Chief Engineer} DA. {Bernard Day - Chassis Design} c. to BY. {R.W. Bailey - Chief Engineer} WGR.✓ ORIGINAL. Hel/LCS.4.24. HISPANO.SUIZA WEIGHTS. X.4214 We give below list of weights of various units on Hispano engine. SECTION. DETAIL WEIGHTS. lbs.ozs. CRANKCASE. Top-half with studs etc.etc. 98 12 Lower-half. 57 14 Crankcase bearings. 7 0 Total weight - 163 10 CRANKSHAFT. Crankshaft and Flywheel. 148 0 Clutch. 46 2 Clutch plate. 6 7 Extension Piece (Camshaft & Oil Pump Drives). 2 14 Total weight - 205 7 CAMSHAFT. Camshaft. 6 9 Camshaft Bearings. 7 9 Camshaft Bevel Wheel. 12 Camshaft Drive. 1 7 Total weight - 16 5 CYLINDERS. Cylinder complete with water covers.118 2 Valve springs (24) 2 12 Inlet valves, caps and lock rings. 4 8 Exhaust valves, caps and lock rings. 4 14 Cylinder cover. 7 0 Total weight - 137 4 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).