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).
Test report on a modification to reduce noise in magnetos, including mileage data.
| Identifier | ExFiles\Box 70\4\ scan0193 | |
| Date | 23th July 1926 guessed | |
| RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. Test report from Mr Lidsey is [struck through] that they are certainly quiet and he considers that this modification does help to reduce the noise. The mileages of the three magnetos of this type which we have received are as follows:- *No 87407 - 4142 Lab " 89458 - 445 8EX " 89479 - 2510 44PK *No87407 is not now comparable as the sleeve control has been purposely made slack to enable Mr Robotham to carry out tests. Signed H.{Arthur M. Hanbury - Head Complaints} E.{Mr Elliott - Chief Engineer} W. This Sheet must be filed on completion of the work. | ||