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).
Re-inspection and testing procedures for dynamos, particularly concerning noise levels.
| Identifier | ExFiles\Box 36\4\ scan 020 | |
| Date | 3rd May 1920 | |
| R.R. Sba (100 T) (S.G. 64), 19-2-20: G 2618 X.30146 To Sft.{Mr Swift} from EFC. c. Ey. c. EP.{G. Eric Platford - Chief Quality Engineer} c. Hy.{Tom Haldenby - Plant Engineer} EFC3/T3.5.20. X.1627 - RE INSPECTION & TESTING OF DYNAMOS. X.30146 EP{G. Eric Platford - Chief Quality Engineer}'s. With reference to your note EP{G. Eric Platford - Chief Quality Engineer}4/F1.5.20, we passed to Ey. under cover of our EFC4/T21.4.20 a specification of inspection and test for the Lucas E.575 dynamo, which we have made up as a result of bench tests on six dynamos loaned for the purpose from the Stores. We now attach copies of this specification for Sft{Mr Swift}'s., EP{G. Eric Platford - Chief Quality Engineer}'s, and Hy{Tom Haldenby - Plant Engineer}'s information. Five out of the six dynamos tried passed this test. The specification was got out more particularly with a view to telling Messrs. Lucas that this is what we expect the dynamos to do. In some ways it does not seem right that we should have to do any dynamo testing here, but as the dynamos are coming in at present it seems necessary to test these from the point of view of noise. We quite agree with EP{G. Eric Platford - Chief Quality Engineer}'s points, 1, 2, 3, 4, 5 and 6, but we would further add that it is absolutely necessary for this test to be made in the quietest possible place as any small amount of noise interferes with one's judgement of the amount of noise emitted by the machine. We have also furnished Mr. Bailey with similar specification of inspection and test for the Lucas switchbox and cut-out. EFC. | ||