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).
Test notes on No 6 car, detailing suspension adjustments and wheel/tyre weights.
| Identifier | ExFiles\Box 3\3\ 03-page001 | |
| Date | 4th June 1906 | |
| 4/6/06. No 6 car on test 60525 (Short) x200 Found by reducing deflection from 80 lbs to 55 lbs that car run considerably easier in springs 3700 Weight of 4 - 880 x 120 complete NS{Norman Scott} Dunlop about 1 cwt. 5 lbs 880 x 120 Dunlop NS.{Norman Scott} Tyre, tube & 4 bolts. 28 1/2 lbs. 815 x 105 Dunlop NS.{Norman Scott} tyre (318) tube & 4 bolts 26 1/4 lbs | ||