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).
Suitability of die casting for various Wraith model components.
| Identifier | ExFiles\Box 142\4\ scan0101 | |
| Date | 10th May 1938 | |
| 1202 To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} 10.5.38. DIE CASTINGS - WRAITH. DW-244. DYNO. BEARING BRACKET. Likely to be altered shortly Easy sand casting. Die out of question unless O.K. for hundreds. Recommend no die. DW-245. DYNO. BEARING BRACKET. Likely to continue. Recommend die. EW-1430. WATER PUMP END COVER. Design not suitable for die without abnormal cost. Recommend no die. FW.324. RAD. SUPPORT BRACKET. Anticipate O.K. 200-300. Good design for die casting. Die partly made. Recommend die. FW.1427. QUADRANT, STRG.COL. Likely to continue. die partly made. Recommend die. FW.1625. Should read - FW.1626. BRACKET, GEARBOX. Likely to continue for 1000 pieces. Good die job, no machining. Recommend die. EW -1109 & FW- 575 NOT REQUIRED. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} | ||