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 an expansion box to be fitted to E.R. Hall's car to comply with R.A.C. regulations.
| Identifier | ExFiles\Box 90a\6\ Scan043 | |
| Date | 5th August 1936 | |
| X262 37 To RHC{R. H. Coverley - Production Engineer}, HS{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} &/JH. 5.8.36. E.R.Hall's Car. When this car comes in, it will have to be fitted with an expansion box in the exhaust system, to comply with the R.A.C. regulations. Specification for this box is as follows which should be put in hand right away :- Inside dia. = 5.500". Length = 10.900". It should be the same material and gauge as the straight this exhaust pipe which is at present fitted, the bore of which is 2.750". The most suitable position can be decided when the car is in the shop. HS{Lord Ernest Hives - Chair}/C.T.Salt. | ||