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).
Specification table for steel wheels and C.I. drums, comparing wide and narrow track configurations for Buick type pivots.
| Identifier | ExFiles\Box 153\4\ scan0079 | |
| Date | 19th June 1940 | |
| STEEL WHEELS & C.I. DRUMS. | Wide track. Buick type pivots. | | | Narrow track. Buick type pivots. | | | |---|---|---|---|---|---| | Wheels. | Front. | CCP. | Rear. | Front | CCP | Rear. | |---|---|---|---|---|---|---| | Corniche. 4 x 16 rims with 6.0 tyres. | - | - | - | 55.540 | 1.050 | 58.000 | | 4.5 x 16 rims with 6.50 tyres. | 57.280 | 1.050 | 59.000 | 55.540 | 1.050 | 58.000 | | 5 x 16 rims with 7.000 tyres. | 57.830 | 1.325 | 59.55 | 56.090 | 1.325 | 58.550 | | 5.5 x 16 rims with 7.500 tyres. | 58.480 | 1.650 | 60.200 | 56.740 | 1.650 | 59.200. | | ||