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 parts for Lucas R.100 Headlamps with dipping mechanism and changeover switches.
| Identifier | ExFiles\Box 171\5\ img036 | |
| Date | 5th April 1938 | |
| RR 755 (10H) (49988) 19/10/37 C.E.Co. COMPLETED 1/6.38. PHANTOM III STANDARDISATION OF PARTS Date Issued 5.4.38. Sheet No. P.25. Drg. No. L.O.P.S. DW.624 L.H. DW.625 R.H. Description: LUCAS R.100 Headlamps fitted with dipping mechanism and changeover switches in each lamp. 48 watt lamp bulbs to be fitted. Purpose: To provide an easy means of changing over from L.H. dipping to R.H. dipping for customers taking their cars on the continent. Brief Report and Remarks: The complete changeover is made by a simple alteration to the switch in each lamp. One pair rigged up on 3.B.IV. works quite satisfactory. OHH When recommended for Introduction: As soon as possible. Report References: By Rm{William Robotham - Chief Engineer} Da{Bernard Day - Chassis Design} Mx{John H Maddocks - Chief Proving Officer} By.{R.W. Bailey - Chief Engineer} Rm.{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design} Mx.{John H Maddocks - Chief Proving Officer} Old Parts: Material £8. 7. 3. | Labour Bought Out | Total £8. 7. 3. New Parts: Material £8.11. 3. | Total £8.11. 3. Increase in Cost £ -.4.0. GRH 26/4/38 Production Position and Comments Cost of Tools £45. 0. 0. In addition to the above increase in Cost, there is also an increase in Factory cost of 1/9 per chassis, in respect of the alteration to wiring already instructed as a standard feature. G/Rb.{R. Bowen} SEE OVER PRODUCTION COMMENTS. Authorisation to Proceed. Introduce on the 50 Chassis in D Series. Sg.{Arthur F. Sidgreaves - MD} [Signature] Hs.{Lord Ernest Hives - Chair} [Signature] Date: 14/6/38 | ||