Comparative weights analysis of front axle components for various car models.
| Identifier | WestWitteringFiles\N\July1925-September1925\ Scan265 | |
| Date | 7th September 1925 | |
| R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. To R. {Sir Henry Royce} from Hs. {Lord Ernest Hives - Chair} c. to C.J. B.J. c. to R.V. E. {Mr Elliott - Chief Engineer} c. to DA. {Bernard Day - Chassis Design} BY c. to Wor. {Arthur Wormald - General Works Manager} Expl. No. REF Hms/LGT.7.9.25. ORIGINAL COMPARATIVE WEIGHTS OF FRONT AXLE COMPONENTS. X4214 X8420 X3241 X200 Below are comparative weights of front axle and brake parts :- DESCRIPTION | T. series. Silver Ghost(1907 40/50 historic RAC 15,000 miles trial). lbs.ozs. | New Phantom(Codename for PHANTOM I). lbs.ozs. | Hispano. lbs.ozs. ---|---|---|--- AXLE - stripped of all parts. | 34 15 | 62 14 | 51 11 PIVOT (N.S.) stripped. | 8 0 | 11 9 | 10 8 PIVOT (O.S.) stripped. | 8 2 | 12 1 | 10 6 PIVOT PIN. | 1 10 | 1 5 1/2 | 1 7 SIDE STEERING LEVER. | 1 15 | 3 1 | 6 8 CROSS STEERING LEVER. | 2 3 | 3 11 | 3 0 CROSS STEERING TUBE (complete) | 6 11 | 9 6 | 9 1 BRAKE CARRIER PLATES - complete with bearings, fulcrum pin etc.) | | 9 5 | 5 8 BRAKE ACTUATING MECHANISM, - complete with pull rods etc. | | 3 2 | 3 7 BRAKE DRUMS - stripped. | | 14 2 | 17 13 BRAKE SHOES - with Ferodo. | | 3 1 | 3 4 BALL BRGS. IN HUB (large) | | Hof:No.350 2 15 | 2212A Skefco 2 11 BALL BRGS. IN HUB (SMALL) | | Hof:No.340 1 10 | No.22 RBF. 1 2 HUB---shell-only. | | | contd :- | ||
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).