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).
Extract regarding the overheating of the 20-HP Swan Neck Exhaust Pipe and a recommendation for lagging it.
| Identifier | ExFiles\Box 48\4\ Scan210 | |
| Date | 1st June 1924 | |
| X4238 BY c. Hs. {Lord Ernest Hives - Chair} c. Wpr. EP {G. Eric Platford - Chief Quality Engineer} /Thn7/H24 6.24. re. 20-HP. Swan Nexk Exhaust Pipe. We give below an extract of a memo we have received from Mr. Evans in London, which we certainly recommend for your consideration:- "I have noted that the seat boards immediately over the swan neck exhaust pipe get extremely hot, although covered with a sheet of asbestos Would it be possible for you to lag this pipe in a similar way to that in which you do the one on the 40/50 HP. chassis." EP {G. Eric Platford - Chief Quality Engineer} /Thn. | ||