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 modifications to a Bentley chassis, covering the gearbox, servo countershaft, and servo mechanism.
| Identifier | ExFiles\Box 83\3\ scan0022 | |
| Date | 12th December 1936 | |
| To. Rm{William Robotham - Chief Engineer}/HDY.{William Hardy} BY/TWD{T. W. D???Aeith}1/E.12.12.36. BENTLEY CHASSIS. GEAR BOX & ACTUATING GEAR. SECTION 6030. SERVO COUNTERSHAFT. SECTION 6156. SERVO MOTOR & MECHANISM. SECTION 6180. N.Sch.4406. Disc Type Damper for Servo Suspension Bracket. N.Sch.4428. Disc Type Damper for Servo Suspension Bracket. N.Sch.4457. Modfn. to Suspension Bracket and Damper Lever. As requested, we send you herewith the list of parts required to enable Disc Type Damper to N.Sch's. 4406, 4428. and 4457. to be fitted to the above chassis. New Parts. Replaced Parts. Sec.6030. K.3028. C'sk. Head Screw. 1 off. K.3022. 1 off. GB.1798. Lug. Disc Damper Link. 1 " Additional. Sec.6156. G.57130. C'shaft Bearing Housing. 1 off. G.55976. 1 off. GB.1796. Bush. 1 " Additional. G.56298. Oil Guard. 1 off. - Not required. G.77433. Outlet Pipe. 1 " - " K.4847. Taper Pin. 1 " - " Sec.6180. GB.1804. Fulcrum Pin. Balance Lever. 1 off. G.53987. 1 off. GB.1806. Damper Lever. 1 " GB.493. 1 " GB.1805. Balance Lever. 1 " GB.492. 1 " GB.1807. Suspension Bracket. 1 " GB.981/2.1 " GB.1801. Jaw. Drag Link. 1 " G.53378. 1 " GB.1799. Piston Rod. Brake Damper. 1 " G.54252. 1 " GB.1802. Servo Drag Link. 1 " GB.551. 1 " GB.1803. " " " 1 " GB.552. 1 " GB.1800. Friction Plate. Inner. 1 " Additional. G.83157. Pin. Outer Pressure Plates. 1 " " GB.2349. Friction Plate. Outer. 1 " " G.83159. Washer. Link Pin. 1 " " G.83162. Bush. Friction Disc. 1 " " G.83163. Nut. Bush in Friction Plate.1 " " G.84820. Clamping Disc Spring. 2 " " G.83165. Friction Lining. Damper. 2 " " G.84832. Stud. Friction Plates. 1 " " G.83171. Friction Plate. Outer. 1 " " -1- | ||