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).
Design and features of the Peregrine Gear-Box.
| Identifier | WestWitteringFiles\H\March1922\ Scan8 | |
| Date | 10th March 1922 | |
| 3rd LINE MODEL PEREGRINE ORIGINAL 1922 ex SWALLOW To DA.{Bernard Day - Chassis Design} from St.{Capt. P. R. Strong} c. to GJ.Wor{Arthur Wormald - General Works Manager} by Hs.{Lord Ernest Hives - Chair} ✓ HS{Lord Ernest Hives - Chair} MAR 10 22. RECEIVED X3488 RE PEREGRINE GEAR-BOX. We send herewith drawing No. Lec 1536 which is the main drawing of the above unit. Drawing showing the casing, change speed and brake levers will follow. The clutch shewn is the same as Lec 1443 as regards internal mechanism: the flywheel, edge of cover and spigot bearing housing are, or will be slightly altered. The fabric universal joint at rear of box may not be adopted finally, but it is expected that this feature will have Mr. Royce's attention immediately on his return. The speedometer drive it will be noted is now taken from the rear cover which shortens the box considerably, and if found more convenient it is possible to tilt the bevel box so as to give the flexible drive a slanting upwards direction (the tilting being embodied in the design.) The Hyatt bearing shewn is standard No. 16948 except as regards length which is .375 shorter. It was Mr. Royce's suggestion that we should ask Hyatt's to make us a bearing of the length shewn. A feature of the box not incorporated previously is the flush machining of the facings under the heads of bolts retaining the end covers. It is intended to (1) | ||