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).
Specification for a Bentley exhaust system for car 4-B-IV.
| Identifier | ExFiles\Box 86\3\ scan0131 | |
| Date | 16th January 1936 | |
| To RHC.{R. H. Coverley - Production Engineer} X223 Hs{Lord Ernest Hives - Chair}/Wym.{G. Harold Whyman - Experimental Manager}8/KW.16.1.36. Bentley Exhaust System. Will you please instruct for one more Bentley exhaust downtake pipe and front expansion box in mild steel, including fitting flange EB.768. This is required for "Aluminising" and afterwards fitting to Lp{Mr Lappin}'s car, 4-B-IV. We also give herewith the specification for the exhaust system we wish to be prepared and fitted to 4-B-IV car - (a) "Aluminised" front expansion box and downtake pipe. (b) EB.1289 baffle should be made in mild steel and "Aluminised" before fittinginside expansion box. (c) Front intermediate pipe EB.1503 to be made in mild steel and in 16 S.W.G. material. (d) Front silencer to standard design but using 16 S.W.G. material for silencer shell. EB.421, and sleeve EB.1504, the two ends EB.778 to remain in 14 S.W.G. material. Sleeve EB.1504 to be made in mild steel and NOT staybright (e) Rear intermediate pipe EB.978 to be made in 16 S.W.G. material. (f) Rear silencer to standard design but using 16 S.W.G. material for silencer shell EB.884 and pipes EB.877 and EB.881 - the two ends EB.779 to remain in 14 S.W.G. material. (g) Tail pipe EB.1086 to be made in 16 S.W.G. material. Hs{Lord Ernest Hives - Chair}/G.H.Whyman. | ||