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).
Brief description of specification for the 'Rippletto' model, detailing the Engine, Gearbox, Frame, Electrical, and Coachwork components.
| Identifier | ExFiles\Box 153\3\ scan0031 | |
| Date | 17th April 1940 guessed | |
| 129 RIPPLETTO RH{R. Hollingworth}'s COPY 1ST ISSUE BRIEF DESCRIPTION OF SPECIFICATION ENGINE 4 CYLINDER 75 M/M BORE 4 1/2 STROKE 2.022 LITRE C.R. 6.5 TO 1 COMP RAT. HIGH FRONT ENGINE MOUNTING CAST IRON MONO BLOCK WITH SIDE EXHAUST VALVES VANDERVELL MAIN & CAMSHAFT BEARINGS 1.750 DIA CRANK PINS. 2.750 DIA JOURNALS CRANKSHAFT WITH 5 INTEGRAL BALANCE WEIGHTS CONN ROD VANDERVELL SMALL & BIG ENG BEARINGS PISTON & RINGS "AEROLITE" CYLINDER HEAD. ALUM. HIGH POWER CAST ALUM SUMP A.C. MECHANICAL PUMP ON EX SIDE CARBURETTER SINGLE STROMBERG AIR SILENCER A.C. SINGLE BELT DRIVE WATER PUMP & DYNAMO. WITH 5 BLADE FAN. RADIATOR B.V DESIGN OF YOKE & MATRIX REDUCED IN SIZE. BONNET ROVER TYPE SIDE PLATES & HINGED TOP IN STEEL. EXHAUST SYSTEM SINGLE DOWNTAKE WITH BURGESS SILS'R & SWAN NECK. GEARBOX HILLMAN 14 H.P. WITH CENTRAL CHANGE 9" DIA LONG TYPE CENTRIFUGAL CLUTCH REAR AXLE "SALISBURY" TO SKA-30722. RATIO 4.56 TO 1. BRAKES ALL HYDRAULIC WITH NO SERVO LATEST B.V HAND BRAKE LEVER. PEDALS. SENIOR RATIONALISED FRAME 064. MATERIAL. FRAME WHEEL BASE 9' 2" FRONT TRACK 55.700 REAR TRACK 57.500 WHEELS 4" x 16 TYRES 6" FRONT FRAME .080 MATERIAL RIPPLET FRAME SHORTENED 6.5 IN FRONT PROP SHAFT. SMALL HARDY SPICER STEERING. STD. RATIONALISED DASH B.V. SHEET METAL BUT TO SUIT BODY. FRONT STABILISER B.V. PETROL TANK 12 GALLONS PETROL FILLER UNDER REAR WING. WITH BOUGHT OUT CAP FRONT SUSPENSION. BASICALLY B.V. ALUM SHOCK DAMPER CASING LIGHTENED UPPER TRIANGLE LEVERS ALUM TORQUE ARM LIGHTENED LOWER TRIANGLE LEVER LUBRICATION - BIJUR REAR SHOCK DAMPER. GORDAN ARMSTRONG ELECTRICAL INSTRUMENT BOARD - ? DELCO DISTRIBUTOR BOUGHT OUT ELECTRICAL UNITS BATTERY & SUPPORT B.V. HORNS. BOUGHT OUT OF A TYPE TO SUIT THE MOUNTING UNDER THE COWL OR CATWALK. COACHWORK B.V. STANDARDISED SALOON WITH LIGHTENED FRAMEWORK OF 12. B.V SPARE WHEEL IN BOOT AT REAR. COACHBUILDERS DRG No PL-36. 1/4 SCALE COMPILED BY APPROVED BY B.I.V. DATE. | ||