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).
Standardisation of a front and rear brake drum for the Phantom III 'G' Series chassis.
| Identifier | ExFiles\Box 120\1\ scan0244 | |
| Date | 13th October 1937 | |
| *S/E.II.F* 13.10.37 PHANTOM III STANDARDISATION of PARTS. Date 14.10.37 X No. 1028 Drawing No. 3865.A Trial No. Description of Part: FRONT AND REAR BRAKE DRUM. CHROMIDIUM. Origin: To enable us to use one pattern instead of two. Report of Experimental Test.: M.I. has not been tested with the present drum. Extra Tool Cost Nil. "Could be brought on to production at the 101st. Chassis in 'G' Series.(without scrap) It was found that the CHROMIDIUM drums were satisfactory but the CHROMIDIUM has been deleted, it is proposed to cast in future in our own foundry." [STAMP: OCT 14 1937] Cost Table: MATERIAL | LABOUR | CHARGES | TOTAL Cost of Old Part: £2.11.6 | £1.2.5 | £1.18.9 | £5.12.8 Cost of New Part: £1.8.0 | £1.2.5 | £1.11.0 | £4.11.5 Decrease: £1.1.3 Signature from Cost Dept. that above is correct. d.15.10.37. SH Approval Table: INITIAL | DATE | REMARKS SC. | | HS.{Lord Ernest Hives - Chair} | | C. | 15.10.37 | Agreed. C BY.{R.W. Bailey - Chief Engineer} | 18-11-37 | [illegible] DA.{Bernard Day - Chassis Design} | 18-11-38 | Passed RHC.{R. H. Coverley - Production Engineer} | 19-11-37 | [illegible] XM. | | MR. | 15.10.37 | Agreed. | ||