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).
Stating the weight of a complete Bentley engine unit is 683 lbs.
| Identifier | ExFiles\Box 88\3\ scan0048 | |
| Date | 12th May 1934 | |
| Hs{Lord Ernest Hives - Chair}/KT. X258 Sft{Mr Swift}/Sct.3/DH.{D. Henderson - Showroom}12.5.34. Please note, as requested in your memo Hs{Lord Ernest Hives - Chair}/KT.8/KW.7.5.34, we send you herewith the weight of the complete Bentley engine unit including exhaust manifold, S.U.Carburetters, servo, dynamo, and starter motor, etc., but less the fan, fan belt and air silencer. The weight is 683 lbs. Sft{Mr Swift}/Sct. Rscott | ||