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 document for the Spectre II Car.
| Identifier | ExFiles\Box 91\1\ scan0002 | |
| Date | 2nd July 1935 | |
| + 300 To RHC.{R. H. Coverley - Production Engineer} c. to Ha/Gry.{Shadwell Grylls} c. to Ha/Bwdi. c. to Ha/LSE. c. to Ha/Std. Specification for SpectreCodename for Phantom III II Car. The following is a specification for SpectreCodename for Phantom III II car, which it is hoped to send to France early in August. (1) Latest cylinder heads, specification being supplied by Ha/Bwdi. 8 to 1 eccentric ratio silent tappets. (2) Latest crankcase incorporating larger slipper wheel and latest engine mounting. (3) Flexible rubber gearbox mounting. (4) Gearbox with ball bearings throughout. (5) Correct radiator with shutters. (6) Increased flywheel inertia. (7) Front shock absorbers as on SpectreCodename for Phantom III I. (8) Phantom type brake adjustment as on SpectreCodename for Phantom III I. (9) Steering with the best cam that the Adamant Company can produce, after discussion with Hardy. Ha/Rm.{William Robotham - Chief Engineer} | ||