Request to prepare for a series of tests on the Phantom II large exhaust silencer.
| Identifier | ExFiles\Box 14\6\ Scan294 | |
| Date | 3rd July 1933 | |
| x7230 To RHC. {R. H. Coverley - Production Engineer} from Hs {Lord Ernest Hives - Chair} /Lid. {A. J. Lidsey} Hs {Lord Ernest Hives - Chair} /Lid. {A. J. Lidsey} 14/KT.3.7.33. PHANTOM II LARGE EXHAUST SILENCER. We wish to carry out a series of tests on 22-EX. on the large exhaust silencer to Hs. {Lord Ernest Hives - Chair} 789 and 790. Will you please prepare for these tests :- (1) A downtake pipe, front expansion box, and intermediate pipe to suit the large silencer (Hs. {Lord Ernest Hives - Chair} 790) to be used as an alternative to the straight through downtake pipe. (2) A 3" dia. central silencer pipe and baffles to suit as shown on Hs. {Lord Ernest Hives - Chair} 790. in place of the present 3.5" dia. pipe. The 3" pipe and baffles to be arranged as shown on the blueprint Hs. {Lord Ernest Hives - Chair} 790. but ignoring the pencilled alterations which are shown on this print. Hs {Lord Ernest Hives - Chair} /Lid. {A. J. Lidsey} | ||
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).