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).
Modifications to the Peregrine gearbox, replacing 1.BA. studs with .250 bolts.
| Identifier | ExFiles\Box 179b\1\ img048 | |
| Date | 1st September 1932 | |
| E.{Mr Elliott - Chief Engineer} FROM HDY.{William Hardy} ORIGINAL HDY{William Hardy}/2/46.9.32. C. to SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} B. C. to HS.{Lord Ernest Hives - Chair} th. PEREGRINE GEARBOX. X407 We send herewith N. scheme 3518., which shews modifications to the gearbox to enable .250 bolts to be used instead of 1.BA. studs to secure the nose at the rear of the box for the support of the engine and gearbox unit. This scheme should be used in conjunction with that sent recently by DA.{Bernard Day - Chassis Design} for the intermediate shaft for shortening the propeller shaft. HDY.{William Hardy} | ||