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).
Diagram and description of an umbrella rotor's air circulation function.
Identifier | ExFiles\Box 61b\1\ scan0011 | |
Date | 25th January 1927 guessed | |
-3- Contd. This umbrella rotor looks more like a scheme than an accident made with the object of keeping up a circulation of pure air around the make and break, any gas formed at the H.T. points being carried away without mixing into the air below. E.{Mr Elliott - Chief Engineer} | ||