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 fitting of an R.R. dural rotor to a Supercharger B-12 unit.
| Identifier | ExFiles\Box 140\1\ scan0122 | |
| Date | 25th January 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X209 Hs{Lord Ernest Hives - Chair}/Smth.1/KW.25.1.35. Supercharger B-12 Unit. Will you please fit the R.R. dural rotor to the blower. We should like the clearance between the rotor and casing to be held down to .015" if possible. The blower is on the test bed, ready for removal. Hs{Lord Ernest Hives - Chair}/Smth. | ||