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 Lucas R.100 type headlamps with a dipping mechanism and changeover switch.
| Identifier | ExFiles\Box 171\5\ img033 | |
| Date | 5th April 1938 | |
| RR 755B (10H) (49968) 19/10/37 C.E.Co. COMPLETED 16.6.38. BENTLEY STANDARDISATION OF PARTS Date Issued: 5.4.38. Sheet No.: B.11. Drg. No.: D.1754 L.H. L.O.P.B.1755 R.H. Description: LUCAS R.100 type headlamps fitted with dipping mechanism and changeover switch 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 to 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. and works quite satisfactory. When recommended for Introduction: As soon as possible. Report References: Old Parts: Material £8. 7. 3., Total £8. 7. 3. New Parts: Material £8.11.3., Labour Bought Out, Total £8.11. 3. Increase in Cost £ - 4. 0. Cost of Tools £45. 0. 0. Handwritten Note: GRL 26/4/38 Production Position and Comments: In addition to the above increase in cost, there is also an increase in Factory Cost of 1/- per Chassis in respect of the alteration to Wiring already instructed as a standard feature. Dipping mechanism and changeover switch in each lamp increases Factory Cost of chassis, Lucas charge being 4/- with an additional 1/- wiring cost. This modification may be introduced without scrap at 37/th. chassis in 'M' series. A Lucas Tool charge of £45.0.0. is involved, which also covers a similar alteration to Phantom III headlamps (Std. sheet P.25). RHC.{R. H. Coverley - Production Engineer} Authorisation to Proceed. Introduce on the 37 Chassis in M Series. Signature Date: 14/6/38 | ||