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).
Letter to North & Sons Ltd. disputing the cause of H.T. brush squeaks on EW6 magnetos.
| Identifier | ExFiles\Box 65\3\ scan0325 | |
| Date | 2nd November 1928 | |
| X7791 EFC1/T. 2nd November, 1928. Messrs. North & Sons Ltd., Whippendell Road, Watford. Dear Sirs, We duly received yours ref. CHK/HWJ. of the 23rd ult., in answer to ours of Sept. 20th, relating to H.T. brush squeaks on the EW6 magnetos. On passing on a copy of your letter to our Test Dept. we have received from them the following reply :- "We do not agree with Messrs. Norths that "the brush squeaks only occur when magnetos "have been standing for some time, or that "the noise will cease after running a short "time. "Our experience is that the squeaks develop "on magnetos in service, and do not disappear "until the brush has been rebedded." We should be pleased to hear your further remarks. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||