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).
Modification to the gearbox for the Bensport model.
| Identifier | ExFiles\Box 86\4\ scan0045 | |
| Date | 10th February 1933 | |
| X228. BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Gry{Shadwell Grylls}‡ Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}12/KT.10.2.33. GEARBOX FOR BENSPORT. The scheme Hdy.{William Hardy} has sent us for higher indirect gear ratio to N.sch.3658 has a sliding pinion 2nd. gear. We find we can obtain a similar ratio by using the 20/25 silent 2nd shown on N.sch.3633, but XXX with the ratio 35/51 modified to 37/49. Will you please issue instructions to RHC{R. H. Coverley - Production Engineer} accordingly. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||