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).
Graph plotting front and rear wheel weights for the Spectre model, with weight adjustments for bumpers.
| Identifier | ExFiles\Box 95\3\ scan0134 | |
| Date | 16th August 1935 guessed | |
| THESE CURVES SHOW THE SPECTRECodename for Phantom III FRONT & REAR WHEEL WEIGHTS WITHOUT BUMPERS. FOR BUMPERS ADD FRONT 1qr - 12 LBS REAR 1qr 20 LBS. SPECTRECodename for Phantom III WEIGHTS - FRONT & REAR AXIS LABELS: COMPLETE CAR WEIGHT IN CWTS. FRONT & REAR WHEEL WEIGHTS IN CWTS. LINE LABELS: FRONT WHEELS REAR WHEELS DATA POINTS: MAX BODY CAR MIN BODY CAR 34 Ex 33 Ex + 1 qtr 32 Ex. 30 Ex. | ||