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).
Requesting the manufacture of an altered 20/25 HP asymmetrical fan.
| Identifier | ExFiles\Box 104\3\ scan0220 | |
| Date | 18th June 1934 | |
| 45220 RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Std. Hs{Lord Ernest Hives - Chair}/Std.6/MA.18.6.34. 20/25 HP. ASYMMETRICAL FAN. Will you please have a fan flange and set of blades made as instructed for an asymetrical fan in memo By/CS.3/EH.9.2.34., but with the blades (EB1566) altered so that they have a 2" radius on the trailing edge, instead of on the leading edge as at present shown on EB1566. Hs{Lord Ernest Hives - Chair}/Std. | ||