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).
Request to construct two 20/25HP fans with blades similar to the Phantom II, one with symmetrical and one with asymmetrical placement.
| Identifier | ExFiles\Box 104\3\ scan0221 | |
| Date | 20th June 1934 | |
| X5220 RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Std. Hs{Lord Ernest Hives - Chair}/Std.9/MA.20.6.34. 25HP. Fan. We wish to try a 20/25HP. Fan with blades of similar shape to the present Phantom II. Such a fan has already been detailed ( By/CS.2/DB.{Donald Bastow - Suspensions}10.5.29.) - will you please have two constructed, -i.e. blades and flange and necessary parts for fitting same to present standard 20/25 hub- one having blades symetrically placed, the other having them asymetrically placed in similar manner to that in which previous Bentley Chrysler type was staggered. Hs{Lord Ernest Hives - Chair}/Std. | ||