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).
Weight breakdown for Hispano Suiza components including the unit, radiator, side levers and pedals.
| Identifier | ExFiles\Box 22\1\ Scan109 | |
| Date | 12th February 1924 | |
| WEIGHT. HISPANO SUIZA. V4214 12.2.24. Weight of Unit. 344 lbs. " " Radiator. 118 lbs. " " Side levers and pedals. 21½ lbs. -------------------- | ||