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).
List of modifications and drawing schedules for the Spectre 12-Cylinder engine.
| Identifier | ExFiles\Box 30\4\ Scan244 | |
| Date | 14th July 1934 | |
| - 19 - BY.1/G.14.7.34. SPECTRECodename for Phantom III 12-CYL. ENGINE. N.Sch.4077 Side Spare Wheel Carrier ................. Recd. 12.6.34. Detail drawings completed and issued ................... 9.7.34. N.Sch.4078 Additional Views - Side Spare Wheel Carrier . Recd. 12.6.34. Detail drawings completed and issued ................... 21.6.34. N.Sch.4079 Lightening Holes in Top and 3rd. S.W. Sleeve. All Helical Gearbox .................. Recd. 5.6.34. Detail drawings completed and issued................... 26.6.34. N.Sch.4080 Filler & Drain Plugs for Spring Pot. I.F.W.S. Recd. 6.6.34. Detail drawings completed and issued ................... 9.7.34. N.Sch.4081 Foot Brake Countershaft & Pull-off Spring. Recd. 6.6.34. Detail drawings completed and issued ................... 22.6.34. N.Sch.4082 Modfn. to Pendulum Lever ................ Recd. 9.6.34. Detail drawings completed and issued .................... 3.7.34. N.Sch.4083 I.F.W.S. Lubrication of Cross Steering Ball End and Brake Camshaft Bearing .......... Recd. 9.6.34. Detail drawings completed and issued ................... 27.6.34. N.Sch.4084 Attachment of Gear Lever Bkt. J.3.Gearbox.... Recd. 8.6.34. Detail drawings completed and issued .................... 4.7.34. N.Sch.4085 I.F.W.S. Separate Needle Roller Bearings .... Recd. 9.6.34. Detail drawings completed and issued ................... 19.6.34. N.Sch.4086 All Helical Gearbox. Level Stick ........ Recd. 11.6.34. Detail drawings completed and issued .................... 6.7.34. N.Sch.4087 Modfn. to Casing & Change Gear Lever Bkt .... Recd. 12.6.34. Detail drawings completed and issued ................... 25.6.34. N.Sch.4088 Modfn. to Flywheel Cover ................ Recd. 14.6.34. Detail drawings completed and issued ................... 26.6.34. N.Sch.4089 Lightening Holes in Cross. R.H. Section ..... Recd. 14.6.34. Detail drawings completed and issued .................... 2.7.34. N.Sch.4090 Lightening Holes in Cross. L.H. Section ..... Recd. 14.6.34. Detail drawings completed and issued ................... 30.6.34. | ||