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).
Performance and consumption report for the car Spectre 3.
| Identifier | ExFiles\Box 91\4\ scan0264 | |
| Date | 16th September 1935 guessed | |
| WEIGHT OF CAR SPECTRECodename for Phantom III 3.................. 48 cwt. I qr. AVERAGE PETROL CONSUMPTION............. 7.9 MPG. AVERAGE OIL CONSUMPTION................ 369 MPG. AVERAGE SPEED.......................... 43.1 MPH. PETROL USED................ Esso. - Azure. - Standard. OIL USED. Engine...........Mobiloil "D" Special Gearbox..........Wakefield's Hi-Press Light. Rear Axle........Wakefield's Hi-Press Heavy. AVERAGE MILEAGE OF TYRES 7.00 x 18. REAR.............2.581. FRONT............6.852. ----------- G.W.H. | ||