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 supply of special regulators for the Phantom III to fix battery charging issues.
| Identifier | ExFiles\Box 166\2\ img192 | |
| Date | 18th March 1938 | |
| 6092 W/N (Br) c. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} c. BY/RD. BY.14/N.18.3.38. Re: Ph.III - Regulators D.76239. We are sending you under separate cover six CAV. type B.2. C.J.l.A. regulators, as referred to in my earlier memo. These regulators have a special higher setting, and they are intended to help in cases where a customer is complaining of insufficient battery charge. The use of this regulator with the* existing dynamo introduces a risk of dynamo failure, due to overloading in cases where the car is used for prolonged night running, at high speed with a heavy battery load. The use of 48 watt headlamp bulbs will considerably alleviate this trouble however. We have put some black paint on the type number plate of the regulators, for identification purposes. BY.{R.W. Bailey - Chief Engineer} | ||