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).
Specification sheet for Engine Unit No. 21 (Chassis 25-EX), detailing component parts and schemes.
| Identifier | ExFiles\Box 169\1\ img123 | |
| Date | 11th July 1930 | |
| To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} c. to AJL. c. to ACL. RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS11.7.30. Engine Unit No. 21 (Chassis 25-EX). We give herewith complete specification of the above Unit fitted to the second L.H. Chassis 25-EX, Passed to Test 8.7.30. Crankcase & Bearings to LOP. E.79019. Incorporating:- LeC 2790/1 Auto Kleen Filter. LeC 2788 Sump Drain Plug. Scheme 1247/8 Extra Cylinder Lubrication. Scheme 1282 Oil Feed to Timing Gears. Crankshaft to LOP. E.79739. To suit Low Inertia Spring Drive. Crankshaft E.79738. Spring Drive to LOP. E.79915 - LeC 2462 -2520. Damping Friction Load set 24 lbs. at 1 7/8" radius. Connecting Rods to LOP. E.74490. Pistons to LOP. E.79533. E.79355 Piston. E.76485 Top Piston Ring. E.76880 Inter: " " E.77531 Pressure " " Cylinders to LOP. E.79033. Incorporating:- Schemes 1247/8 Extra Cylinder Lubrication. Scheme 1217 Asbestos Valve Gland Packings. (1) Cylinder Blocks E.80659/60. (2) Copper Water Tubes E.80488. (3) Hot-spot Feed Pipe E.80194 in I/M.{Mr Moon / Mr Moore} (4) Valve Guides E.80298/9. contd. | ||