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).
Parts list for the Wraith III Crankcase, Dynamo Drive, and Wheelcase & Fittings.
| Identifier | ExFiles\Box 132\3\ scan0120 | |
| Date | 4th January 1939 | |
| 616. G/RD. (Struck through) c. Rm.{William Robotham - Chief Engineer} (Struck through) c. Rm{William Robotham - Chief Engineer}/Swell. (Struck through) BY/Ald.{F. Allwood - Experimental Design}15/G.4.1.39. WRAITH 111. SECTION 5000. CRANKCASE. SECTION 5100. DYNAMO DRIVE. SECTION 5180. WHEELCASE & FITTINGS. Please receive herewith one blueprint of each of the following :- S.CD.1040 Dynamo Drive. SECTION 5000. Ex.S.1335 Crankcase. 1 off. Ex.S.1337 Bearing Bush. 1 off. SECTION 5100. Ex.S.1332 Spring Ring - Thrust Boss. 1 off. Ex.S.1333 Joint Washer. 1 off. Ex.S.1334 Thrust Washer - Plunger. 1 off. Ex.S.1341 End Cover. 1 off. Ex.S.1340 Driving Gears and Shaft. 1 off. Ex.S.1351 Stiffener - Coupling Plate. 1 off. Ex.S.1352 Bolt - End Cover. 3 off. Ex.S.769 Plunger. 1 off. Ex.S.1339 Coupling Plate. 1 off. SECTION 5180. Ex.S.1339 Wheelcase. 1 off. Ex.S.1336 Thrust Boss. 1 off. The following parts will also be required for use with the above :- SECTION 5000. K.4864 Taper Pin. 1 off. KB.366 Stud. 1 off. SECTION 5100. KB.3581 Nut. 3 off. K.4602 S.Pin. 3 off. KB.3811 Stud - Coupling. 4 off. K.9005 Washer " 4 off. K.4307 Nut " 4 off. F.57605 Spring Plunger. 1 off. SECTION 5180. K.4313 Nut - Thrust Boss 1 off. K.9005 S. Washer. - Thrust Boss 1 off. D.7272 Adjusting Washer - " " 1 off ) D.7273 " " " " 1 off ) Alterna- D.7274 " " " " 1 off ) tives. D.7275 " " " " 1 off ) | ||