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).
Instructions for workshop modifications and fault diagnosis on supercharged units B-12 and B-14.
| Identifier | ExFiles\Box 140\1\ scan0150 | |
| Date | 10th April 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} +209 Hs{Lord Ernest Hives - Chair}/Smth.20/KW.10.4.35. Supercharged Units. B-12. We are now sending B-12 into the shop for the following work :- (1) A thump has developed, apparently in the neighbourhood of No. 2 big end of main bearing. Will you please examine for the cause of this. (2) Build up supercharger to arrangement Hs.{Lord Ernest Hives - Chair}1800, but using the diffuser ring, rotor, and rotor casing top half to EX.17516. B-14. Will you please build this up as asked for in Hs{Lord Ernest Hives - Chair}/Smth.3/KW.4.3.35 and Hs{Lord Ernest Hives - Chair}/Smth.23/KW.6.3.35, using the rotor and rotor casing top half released from B-12. We shall need the 4.3/1 David Brown and Sons' gears and the adapted 20/25 camshaft E.59699, timed as given in Hs{Lord Ernest Hives - Chair}/Smth.3/KW.4.3.35. Before fitting the rotor will you please thin the blades in the entry as shown in Hs.{Lord Ernest Hives - Chair}1897. Hs{Lord Ernest Hives - Chair}/Smth. | ||