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).
Design update for mica plugs, featuring a longer threaded gland portion for improved heat transference on the Eagle 26.
| Identifier | ExFiles\Box 162\5\ img022 | |
| Date | 9th June 1937 | |
| -3- Rm{William Robotham - Chief Engineer}/Wst.8/AP.9.6.37 developed this design a stage further by introducing a longer threaded gland portion affording greater surface for heat transference. This design is now being used for making up a new plug for use on Eagle 26 and is a step further in the increase of heat factor on mica plugs. Rm{William Robotham - Chief Engineer}/Wst. | ||