Specification sheet for exhaust system components, detailing their diameters and material gauges.
| Identifier | ExFiles\Box 8\8\ 08-page15 | |
| Date | 7th September 1937 | |
| 2. Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} 9/MH. {M. Huckerby} 7.9.37. Downtake pipe 2.00" dia. 17 gauge .056" Front Exp. box. 17 gauge .056" Front exp. box outlet. 2.00" dia. 17 " .056" Front intermediate pipe. 2.125" dia. 17 " .056" Both inlet & outlet pipes of centre exp. box. 2.00" dia. 17 " .056" Centre exp. box. 22 " .028" Rear intermediate pipe. 2.125" dia. 17 " .056" Rear silencer inlet pipe. 2.00" dia. 17 " .056" Rear silencer shell. 22 " .028" " " centre pipe 2.00" dia. 17 " .056" " " baffle and top hats. 18 " .048" Tail pipe 1.50" dia. 17 " .056" | ||
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).