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).
Progress report on design modifications and parts for the Spectre 12-Cylinder engine.
| Identifier | ExFiles\Box 30\3\ Scan127 | |
| Date | 16th March 1935 | |
| SPECTRECodename for Phantom III 12-CYL. ENGINE. - 15 - BY.1/G.16.3.35. N. Sch. 4345 3rd. Motion Shaft as N. Sch. 4232 but with thicker flange ............. Recd. 19.1.35. Detail drawings completed and issued ...... 9.2.35. N. Sch. 4347 Arrgt. of "Girling" Brakes in Rear Drums .... Recd. 15.2.35. N. Sch. 4353 Modfn. to Gearbox Thrust Stay .............. Recd. 6.2.35. N. Sch. 4356 Hand Brake Operation - Girling Brakes ....... Recd. 15.2.35. N. Sch. 4358 Arrgt. of "Girling" Brakes in Front Drums ... Recd. 16.2.35. N. Sch. 4359 Balance Levers on Rear Axle - Girling Brakes. Recd. 14.2.35. N. Sch. 4360 Modified Rear Brakes ....................... Recd. 12.2.35. N. Sch. 4361 Front Brakes with Bentley Type Adjuster .... Recd. 14.2.35. N. Sch. 4364 (Girling Brakes) Modified Inter. Levers ... Recd. 14.2.35. I Sch. 4365 Rear Brake Equalisers .................... Recd. 12.2.35. N. Sch. 4366 Layout of Rear Brake Mechanism ............ Recd. 12.2.35. N. Sch. 4367 Modfn. to Clutch Thrust Brg............... Recd. 11.2.35. N. Sch. 4368 Thrust Stay for more Flexibly Mounted Gearbox Recd. 15.2.35. N. Sch. 4369 Oil Filter for Spring Pot. I.F.W.S......... Recd. 13.2.35. N. Sch. 4373 More Flexible Gearbox Mounting ............ Recd. 15.2.35. N. Sch. 4374 Alternative Expander Unit in Front Drums (Girling Brakes) ...................... Recd. 16.2.35. N. Sch. 4377 Modified Cross Steering Lever ............. Recd. 20.2.35. Lec. 4344 Modfns. to Relief Oil Passages ............ Recd. 5.3.35. Lec. 4383 Roller Tappets............................. Recd. 4.3.35. Lec. 4385 Modfns. to Relief Valve & Oil Filter ....... Recd. 4.3.35. Lec. 4386 Modfn. to Oil Temperature Regulator ........ Recd. 4.3.35. N. Sch. 4379 Modified Front Brakes Intermediate Lever ... Recd. 22.2.35. N. Sch. 4380 Modified Front Brake Linkage for Brakes with Bentley Type Adjuster ...................... Recd. 21.2.35. I Sch. 4386 Intermediate Lever for Front Brakes with Bentley Type Adjuster ........................... Recd. 22.2.35. N. Sch. 4387 Modified Front Brake Operating Lever "Girling" System .................................. Recd. 22.2.35. N. Sch. 4388 Diagram of Brake Leverages - "Girling" System. Recd. 22.2.35. N. Sch. 4389 Rear Foot Brake Shoes - Rolled Steel Section. Recd. 28.2.35. N. Sch. 4390 Horizontal Hand Brake Lever & Gear Lever to suit. Recd. 28.2.35. N. Sch. 4391 Front Axle Control ........................ Recd. 4.3.35. N. Sch. 4392 Front Brake Shoes - Rolled Steel Section ... Recd. 28.2.35. N. Sch. 4395 Front Brake Operation ...................... Recd. 6.3.35. N. Sch. 4398 D.W.S.Permanent Jack mounted on Front Axle. Recd. 5.3.35. N. Sch. 4399 Stiffened Front Brake Equaliser Lever ...... Recd. 6.3.35. Detail drawings will be put in hand as soon as possible. | ||