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-issuing document PD.320 with modifications to the B.V. and B.50 servo to improve the oil seal.
| Identifier | ExFiles\Box 152\2\ scan0237 | |
| Date | 14th December 1938 | |
| BY/AS C. Rm.{William Robotham - Chief Engineer} 1294 DA.{Bernard Day - Chassis Design}1/G.14.12.38. A.F.M. B.V. and B.50. SERVO. Referring to PD.320, a modification to the servo to facilitate renewal of the oil seal, we should like to increase the length of the spigot on the detachable part of the shaft and improve the radius between spigot and flange. PD.320 has not yet been detailed, and we now re-issue it with these modifications incorporated. Please replace all existing prints. DA.{Bernard Day - Chassis Design} | ||