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).
Ongoing issues with horns supplied by Messrs Lucas, including failures and excessive current draw.
| Identifier | ExFiles\Box 165\1\ img023 | |
| Date | 10th March 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/Wst.5/AP.10.3.37. (2) Thirdly the horns 'pass out' in heavy mist or rain and this trouble still persists. Fourthly, the current taken by the horns is excessive and we have now had to alter our wiring in order to by-pass the current from our ammeter. Fifthly, we have now found that when one horn gets out of adjustment it adversely affects the other horn and causes a failure of both. If Messrs Lucas are to rehabilitate themselves in the eyes of our discriminating clientele they must eliminate these troubles. We had a frank discussion with them some time ago, and as you probably know, they are now making up for us some sample units for experimental trial on Bentley chassis. Rm{William Robotham - Chief Engineer}/Wst. | ||