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).
Instructions and decisions regarding test pieces, melting processes, casting weights, and material clearances.
Identifier | ExFiles\Box 115\3\ scan0100 | |
Date | 16th November 1937 | |
-2- RHO.1/EJ.16.11.37.Cont'd.{John DeLooze - Company Secretary} (h) Form of Test Piece to be supplied to H1. from each batch which form H1. will decide and give the necessary instructions. (i) H1 to arrange for one of his men to constantly check up composition during the melting process in order that the Material Specification is maintained. (j) No Cast to exceed 300 lbs. During the discussion H1. stated that there were a certain number of AC.2 ingots which could be modified to AC.7 but careful tests of the final cast to be made before such casts are placed into Production. In a talk with Rm.{William Robotham - Chief Engineer} it has also been decided to increase the clearance from .003 to .0035. RHO. | ||