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).
Drawing PD.366 for the B.V. Gearbox, detailing a stiffened rod, an increased capacity ball bearing, and a potential bronze pad feature.
| Identifier | ExFiles\Box 99\4\ scan0189 | |
| Date | 17th February 1939 | |
| BY/NS.{Norman Scott} 428 c. Rm.{William Robotham - Chief Engineer} DA.{Bernard Day - Chassis Design}11/G.17.2.39. B.V. GEARBOX. Please receive herewith PD.366 shewing the stiffened rod and increased capacity of ball bearing for the actuating forks. A suggestion for the use of bronze pads is also shewn, but this can only be used if the box is lengthened. This feature is awaiting the result of the French tests now in progress. DA.{Bernard Day - Chassis Design} | ||