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).
Technical parts list detailing components and remarks for a 'Wraith Spring Drive' engine fitted to a B.60.
| Identifier | ExFiles\Box 118\1\ scan0041 | |
| Date | 22th January 1940 guessed | |
| - 2 - Remarks. Spring Drive SCD.1043. PD.429-439. Wraith Spring Drive. fitted to B.60. EB.5014. Pulley. EB.5016. Lockwasher. Connecting Rods LOP.E.61482. Incorporate Vandervell Small and Big-End Bearings. Details for Rods. Pistons. Not detailed. Cylinder Head. PD.458 3.250 Cyl.Block & Head. E.61477 Cylinder Head. LOP ? Prints received NOT instructed. PD.430.Oil Filler in Rocker Cover. EB.5051. Rocker Cover. Ex.35866. Oil Filler Cap. EB.4129. Outlet Connection. Ex.34227. Valve Seat 3 1/2% Nickel. This Rocker Cover does not include the lip to hold the joint washer. Thermostat will be required with fixed shutters. Detail drawing required ? Valves and Fittings. EB.3853. Inlet Valves (M.C's). Ex.33420. Exh.Valves S.Stems. EB.5107/8. Inlet Valve Springs. EB.5016. Bottom Sp.{Mr Spinney}Washers. EW.2260. Sealing Washers. .4% Carbon Push Rods. LOP ? Details required for Push Rods. Inlet Pipes LOP.RE.154.ECD.1509. RE.147. Induction Pipe. continued. | ||