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).
Comparing the weights of front axle components.
| Identifier | ExFiles\Box 67\2\ scan0162 | |
| Date | 17th September 1925 | |
| R.R. 498a (50 H) (D.D. 31, 12-6-25) J.H.B. EXPERIMENTAL REPORT. Expl. No. +8470 REF: Hs{Lord Ernest Hives - Chair}8/LG17.9.25. To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. BJ. c. to RG.{Mr Rowledge} E.{Mr Elliott - Chief Engineer} c. to DA.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} COMPARATIVE WEIGHTS OF FRONT AXLE COMPONENTS. +4214 x8470 x3441 x200 Below are comparative weights of front axle and brake parts :- DESCRIPTION. | T. series. Silver Ghost. lbs.ozs. | New PhantomCodename 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 " (O.S.) " | 8 2 | 12 1 | 10 6 PIVOT PIN. | 1 10 | 1 5½ | 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 Scefco 2 11 BALL BRGS. IN HUB (small) | | Hof:No.340 1 10 | No.22 RBF 1 2 contd :- | ||