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).
The performance of various car components including horns, a regulator unit, petrol pump, sparking plugs, and screen wipers.
| Identifier | ExFiles\Box 108\3\ scan0211 | |
| Date | 9th May 1938 | |
| -18- CONT'D.{John DeLooze - Company Secretary} Lamps, Horns and Fittings LOP.UW.184. Latest type wind tone horns. These horns were in general better than the previous wind tone horns run in France. Cut out Regulator unit. R.E.Sch.890. The control of the dynamo output and maintenance of the battery change were good. Petrol Pump. LOP.D.76047. No trouble experienced and maximum speed could be maintained on either half of the pump whenever tested throughout the mileage. Sparking Plugs. Tests with Lodge Sintox 640 and 641 plugs showed them to be inferior to the standard KLG. F.L.S.30X. The latter were generally satisfactory. Berkshire screen wipers. These were bad for noise and backlash. Breakage and loss of wiper blades and operating arms occurred. * | ||