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).
Design position and completion status for modifications on the Wraith III model.
| Identifier | ExFiles\Box 161a\4\ scan0213 | |
| Date | 20th May 1937 guessed | |
| ITEM. (1) DESIGN POSITION. WRAITH III Revised engine - controls on engine. LeC.5619,5626, 5632/3. Completed 15.4.37. " " ignition wire fittings. LeC.5638. Completed 23.4.37. " " tappet springs to suit wet cyl.liner.LeC.5620 " 14.4.37. " " top water pipe. LeC.5637. " 23.4.37. " " operating mechanism for A.C. petrol pump.LeC.5646 " 28.4.37. " " mod. to ignition control to clear A.C.petrol pump. LeC.5647. " 28.4.37. " " petrol drain pipes. LeC.5656. " 4.5.37. " " coolant jets for exhaust valve seats LeC.5664. " 5.5.37. " " bottom water pipe and drain tap LeC.5676. " 15.5.37. " " Rolls-Royce ignition distributor. In hand. Key integral with hand brake lever boss. Put aside. Gearbox:- Revised rear rubber mounting - 25/30 HP. type. In hand. " " " " similar to front engine mounting. In hand. " " Transmission damper in gearbox - investigation. Completed. " " Mod. to rear end of casting N.Sch.5140. Completed 6.5.37. Modified bolting of cross steering levers N.Sch.5125. Completed 21.4.37. Modified bell crank operating lever, front brakes N.Sch.5124. Completed 21 Additional pull off springs for rear brakes. N.Sch.5117. Completed Hexagon headed bolts securing bump rubber.I.F.W.S.N.Sch.5116. Completed | ||