Blueprint of a 40/50 Chassis with 20/25 Wheel Hubs showing various dimensions.
| Identifier | ExFiles\Box 157\1\ scan0115 | |
| Date | 20th April 1934 | |
| SCALE 1/5 APPROX 40/50 CHASSIS WITH 20/25 WHEEL HUBS 57.400 OVER CONES 63.150 Hamp. 69.750 EDGE OF DYNO DRUM EXTREME WIDTH OF RIM MUST LIE BETWEEN THESE DIMENSIONS 49.000 SIDE MEMBER OF CHASSIS ROLLS-ROYCE, LTD PRINT ROOM 20 APR 1934 DERBY | ||
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).