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).
Specifications for physical tests and manufacturing arrangements for barrels with English Steel Corporation and Taylor Bros.
| Identifier | ExFiles\Box 176\3\ img101 | |
| Date | 30th March 1938 | |
| (2) Physical Tests. The tests required will be taken in a transverse direction and will give the following physical properties:- Yield Stress 45/50 Tons per sqr. inch. Ult. " 60/65 " " " Elongation not less than 12% Izod Impact " " " 14 foot lbs. Manufacture. We understand from Mr. Burton of English Steel Corporation that providing they can run these 30 barrels in with their present production they prefer to make the first 30 themselves and thus develop the necessary technique for future orders which would then be entrusted to Taylor Bros. If, on the other hand, E.S.C. are unable to fit in these 30 barrels then Taylor Bros will do them under the supervision of E.S.C. Cgh{W Clough}/EM. ....Continued overleaf | ||