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).
Drawings and parts for an 'India 4' Fan with Phantom Shaped Blades.
| Identifier | ExFiles\Box 14\7\ Scan008 | |
| Date | 10th May 1929 | |
| c. to Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 77220 BY/CS2/DB.{Donald Bastow - Suspensions}10.5.29. Re India 4. Fan. (With Phantom Shaped Blades). Sec:5220. Please receive herewith prints of each of the following drawings, detailed to scheme 1151, in accordance with request from Exptl:Dept: E.55318 - Flange.(Front). E.55319 - Flange.(Rear). E.55320 - Blades. E.55321 - End Cover.(Hub). Will you please instruct up as required for the above experiment, with remainder of parts to complete this section as already instructed for India 4. to LOP. E.54738, except that the following details will NOT be required:- F.6957 - Rivet.(Blades) - 12 off. E.50387 - End Cover.(Hub)- 1 off. E.50401 - Washer.(End Cover) - 1 off only instead of 2. E.51822 - Blades. - 1 off. E.51823 - Flange. - 1 off. The following additional part is required:- E.71103 - Rivet.(Blades) - 12 off. You will notice that we have not increased the diameter over the tips of the blades (viz.18.000"). If you consider it necessary to increase the diameter, we shall have to raise the centre of the fan hub to suit, to obtain reasonable clearances, and also to cover the radiator matrix area more efficiently. BY/CS. | ||