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).
List of required designs for the 'Silver Ripple' project, detailing components for the initial build and a Stage II version.
| Identifier | ExFiles\Box 118\1\ scan0371 | |
| Date | 22th December 1943 | |
| CONFIDENTIAL 1022 To. Rm.{William Robotham - Chief Engineer} from Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames}6/GAB.22.12.43. c. to. Ev.{Ivan Evernden - coachwork} Silver Ripple The following is a list of designs required, in order that the first five Silver Ripples can be built:- Engine Mounting - PL.34. complete. Exhaust System - Design Required. Radiator & Mounting. - Design Required. Front Wingstays. - Design Required. Front Aprons. - Design Required. Head Lamps & Fittings. - Design Required. Bonnet. - Design Required. Frame & Fittings. - Design Required. Steering Tubes. - Details Required. Shock Dampers (Rear) with Ride control. - Design Required. 14 Gallon Petrol Tank. - Design Required. Engine Sump - Design Complete. Pendulum Lever. - Design Required. Water Pump Pulley. - Design Required. Rear Axle Ratio 4.56 to 1 (Gears required) - Design Required. Engine 3¾ Bore & 2" Crank Pins. - Design Required. Jacks - Design Required. Under Seat Heater. - Design Required. Smaller Mascot. - Design Required. The following designs will be required to produce a Stage II Silver Ripple:- Plain Bearing Gearbox Side Shaft - Design Required. Steering Column. - Design Required. Myth Type Gearbox. - Design Required. Single Piece Propellor Shaft. - Design Required. Direct Brakes (None Hydraulic) - Design Required. Change Speed Lever to suit Myth Type Box - Design Required. New Position of Hand Brake. - Design Required. Salisbury Rear Axle with B.5. Rear Brakes - Design Required. Myth Type Rear Dampers. - Design Required. Cheaper Myth Battery. - Design Required. Steering Column and Box Junior Range - Design Required. Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} | ||