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 scheme modifications for the 3½ Litre Bentley Chassis and Spectre 12-Cylinder Engine.
| Identifier | ExFiles\Box 133\4\ scan0037 | |
| Date | 12th June 1935 | |
| - 6 - 3½ LITRE BENTLEY CHASSIS. N. Sch. 4435 11" B & B Clutch & Operation. Lengthened Crankshaft ......... Recd. 30.3.35. Detail drawings completed and issued ................. 24.4.35. N. Sch. 4440 Engine Tie Rod - (Used with centrally Mounted Rad'r.{Sir Henry Royce}) .......... Recd. 8.4.35. Detail drawings completed and issued ................. 27.4.35. N. Sch. 4442 Separate Radius - Rod Brackets on Axle. Modified Position of Shock Dampers ........ Recd. 4.4.35. Detail drawings completed and issued ................. 24.4.35. N. Sch. 4452 Rolled Steel Brake Shoes - Rear 14" Drums....... Recd. 13.4.35. Detail drawings completed and issued ................. 17.5.35. N. Sch. 4455 Modfns. to Bottom Tank and Radiator Mounting Bolts. (Centrally Mounted Radiator) .......... Recd. 16.4.35. Detail drawings completed and issued ................. 1.5.35. N. Sch. 4456 Additional Stiffener for Shutter Support Plate (Centrally Mounted Radiator) .............. Recd. 16.4.35. Detail drawings completed and issued ................. 1.5.35. N. Sch. 4457 Modfn. to suspension bracket and damper lever. Recd. 16.4.35. Detail drawings completed and issued ................. 14.5.35. " Sch. 4461 Mod. to Flywheel for B & B Clutches .......... Recd. 24.4.35. Detail drawings completed and issued ................. 22.5.35. N. Sch. 4465 Modfn.s to Clutch Thrust Brg. for Better Oil Retention. Borg & Beck Clutch .......... Recd. 17.4.35. Detail drawings completed and issued ................. 22.5.35. N. Sch. 4466 Modified Radius Rod Support Bracket ......... Recd. 27.4.35. Detail drawings completed and issued ................. 27.5.35. N. Sch. 4495 Strengthened Axle Pivot .................... Recd. 16.5.35. Detail drawings completed and issued ................. 21.5.35. SPECTRECodename for Phantom III 12-CYL. ENGINE. RR. Sch. 820 Engine Lamp. Detail drawings completed and issued ................. 25.4.35 | ||