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 specifications for the 'Silver Ripplet' model.
| Identifier | ExFiles\Box 118\1\ scan0107 | |
| Date | 5th January 1940 | |
| SILVER RIPPLET BRIEF DESCRIPTION OF SPECIFICATION ENGINE 6 CYLR 3 1/4 BORE 4 1/2 STROKE. 3670 C/C. HIGH FRONT ENGINE MOUNTING. CAST IRON MONO BLOCK WITH SIDE EXH. VALVES. VANDERVELL MAIN & CAMSHAFT BRGS. CRANK SHAFT, .4% CARBON STEEL. 2.750 DIA JOURNALS & 2 DIA C. PINS. SPRING DRIVE. R.R. WRAITH TYPE. CONN ROD. COINED ROD. VANDERVELL SMALL & BIG END BRGS. PISTON. RR SPLIT SKIRT. CYLINDER HEAD. ALUM HIGH POWER HEAD. A.C. MECH PUMP. CARBURETTER. STROMBERG DUPLEX DOWN DRAUGHT. AIR SILENCER. A.C. SINGLE BELT DRIVE WATER PUMP & DYNAMO WITH 5 BLADE FAN. EXHAUST FITTINGS. SINGLE BURGESS. BONNET. R.R. TYPE. WIDNEY HINGE & STEEL TOP PLATES. GEARBOX. 4th 4.1 3rd 5.587 2nd 8.548 1st 11.9587 OVERALL RATIO 4th DIRECT 3rd 1.307 2nd 2.083 1st 2.917 2.878 GEARBOX RATIO SYNCHROMESH 4th 3rd 2nd. REAR AXLE. 650 HYPOID 1 5/8 SHAFT. SEMI-FLOATING 10/41 RATIO. CORNICHE FLYWHEEL 10" CLUTCH. GEARBOX. STRENGTHENED GEARS. PROP. SHAFT. AS B I. BUT WITH SMALLER JOINTS. REAR BRAKES. GIRLING ROD OPERATED. C.I. DRUMS. FRONT BRAKES. HYDRAULICALLY OPERATED. C.I. DRUMS. FRAME .080 MATERIAL FRAME. .072 MATERIAL FRONT PAN. WHEELBASE. 9FT 8 1/2 INS. FRONT TRACK 55.710 REAR TRACK 57.700 STEEL WHEEL & TYRE 16 x 4 RIM. REAR SPRINGS. WOODHEAD. 50 x 2. STEERING COLUMN. WILMOT-BREEDEN STG WHEEL. PETROL TANK. 16 GALLON. CONCEALED FILLER. DASHBOARD. PRESSED STEEL. FRONT SHOCK DAMPER. 3 BOLT FRONT DAMPER. REAR SHOCK DAMPER. GORDON ARMSTRONG. PEDALS. B I. ELECTRICAL INSTRUMENT BOARD. DELCO DISTRIBUTOR. LUCAS STARTER MOTOR. HEAD LAMPS BUILT IN WINGS. BATTERY. AS B.I. HORNS. BOUGHT OUT OF A TYPE TO SUIT THE MOUNTING UNDER THE COWL OR CATWALK. COACHWORK 4 DOOR 4 LIGHT CLOSE COUPLED SALOON. COACHBUILDERS Drg No. PD 494 1/16 SCALE COMPILED BY N.L.L. APPROVED BY.{R.W. Bailey - Chief Engineer} DATE 5-1-40 | ||