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).
The failure of experimental 'fescalised' mild steel exhaust pipes during testing.
| Identifier | ExFiles\Box 14\6\ Scan210 | |
| Date | 9th October 1931 | |
| HS{Lord Ernest Hives - Chair} Re Exhaust Pipes We have been experimenting with Exhaust Pipes and front expansion chambers made in mild steel and fescalised to prevent scaling. To lessen the cost of production the tests up to the present however have not been satisfactory. The fescalised front expansion chamber fitted on 25EX completely failed before 1000 miles had been run. The failure was, the material cracked all round the flanges of the junction of the down pipe and also of the outlet. The fescalising of the pipes may have been | ||