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).
Comparative analysis of weights and specifications for Packard and Rolls-Royce rear axles and bevels.
| Identifier | ExFiles\Box 3\2\ 02-page078 | |
| Date | 24th March 1920 | |
| R.R. H.O. 100 T.P. Dec 45 100 Date X 200 To Hs.{Lord Ernest Hives - Chair} from RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer}3/LG24.3.20. X.435. RE PACKARD AND R-R REAR AXLE. X.200. X.3457. We give below particulars and comparative weights of Packard and R-R axle, also particulars of Packard Bevels. Packard rear axle. R-R rear axle. weights. weights. cwts. qrs. lbs. cwts. qrs. lbs. Casing with 2 0 1/2 Casing with 1 3 24 1/2 brakes complete. brakes complete. 2 road wheels 2 2 0 2 road wheels 2 2 11 1/2 with tyres & with hubs drums brake drums. tyres. Bevel pinion 1 21 Bevel pinion nd 2 17 and propeller prop shaft with shaft. casing. Differential and 3 20 Differential and 2 23 4 driving shafts. driving shaft with driving dogs. Total 5 3 13 Total 5 3 20 3/4 complete axle = 5 3 7 complete axle 5 3 22 PACKARD BEVELS. Bevel wheel. Bevel Pinion. 14.062 dia. 61 teeth. 3.838 14 teeth. angle of teeth 11° angle of teethe 74° 30' Axle shaft bevel. Diff. Bevel Pinion. Dia. 4.835" dia. 2.700" angle of teethe 22° 30' angle of teeth 58° 30' Number of teeth 24 number of teeth 12 ----------- RHC.{R. H. Coverley - Production Engineer} | ||