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 specifications and modifications for a vehicle's chassis and engine.
| Identifier | ExFiles\Box 82\3\ scan0165 | |
| Date | 2nd April 1935 | |
| -2- (18) Lightened and simplified exhaust system. (19) Smaller radiator matrix. (20) Hardy Spicer propellor shaft. (21) Dunlop made wheels with improved locking nuts. (22) Lightened petrol tank. (23) Lightened tool kit and Jack. (24) Complete noise insulation scheme. (25) Lightened fan. (26) Isolated change speed lever. ✓ N.S. 4355 (27) Lightened road springs. (28) Sheet metal floorboards. (29) Simplified petrol system with green warning light for reserve. (30) One-piece wings and running boards in aluminium. ENGINE. (1) 7 to 1 cast-iron cylinder head giving 126 B.H.P. (2) Small bore induction pipe, 1.375 diameter. (3) Clutch with fabric on the driven member, to N.Sch.3948. Special spring centre to eliminate over-run rattles without the necessity for propellor shaft flywheel damper. (4) Narrow pin crankshaft. (5) Narrow pin drilled up connecting rods with strip lead bronze bearings. (6) Textolite timing gears, ground steel gears. (7) Large helical gear oil pump. (8) Geared starter motor. (9) Existing Bentley dynamo with modified voltage control regulator. | ||