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).
Typed list of modifications and part updates with corresponding reference numbers.
| Identifier | ExFiles\Box 91\2\ scan0344 | |
| Date | 10th September 1937 | |
| 2. Lec.5459. One piece water outlet pipes. 17,110 E.89050. Petrol pipe in Vee with reduced bends.(Removed) 12,205 Lec.5506. Steel arm for oil level indicator. 17,110 Bye-pass oil filter instead of Tecalemit filter. 17,110 LOP.L.88289. 100 mesh gauze in filter. 15,355 LOP.E.85451. Johnson & Phillips Helsby cable "A" side. 16,410 R.R.Sch.1010. Mod. to rotor blade (removed in shop) 17,110 NS.{Norman Scott}4998/9. Clutch incorporating Long type plate. 17,110 Thermoid facings. 15,019 Rm.{William Robotham - Chief Engineer}367. Clutch pedal servo. 14,802 A.85200.Flywheel teeth chamfered to A.85191. 17,110 15. HS.{Lord Ernest Hives - Chair} Overdrive gear box. 17,110 R.R.Sch.1081. Dip stick through floorboard. 17,110 NS.{Norman Scott}4902. Strengthened universal ring. 16,127 Ex.26681.A. Mod. reverse gear and shaft. 14,055 A.84681/5. Deletion of baffle on servo drive shaft. 17,110 Rubber stop on servo. 17,110 Lec.5191. High pressure pump on frame. 14,055 N.S.5087. Stone guard for rear brake inter. shaft. 14,241 Lec.5318. Mod. to front wing stay fixings. 17,110 Lec.5668. Threaded shackles. Rear ends. 17,110 Front end near side (seized at 15,000) 17,110 Front end offside (seized after 4,700) 6,830 Lec.5601. Rm.{William Robotham - Chief Engineer}352. Built up steering cam tube. 14,528 Rear joint of side steering tube (2055 since set .010") 17,110 Lec.5477. Mod. rest angle and Kansas bonnet tape. 17,110 N.S.4875 - 4890. Mod. to damper links and spring plate. 17,110 Rm.{William Robotham - Chief Engineer}379. Delco glands in rear shock dampers.near side. 15,019 Offside (returned to Works) 6,865 Offside (fitted at Chateauroux) 1,215 Ex.24982. Front engine feet in S/M.{Mr Moon / Mr Moore} 15,019 LOP.89510. Lec.5498. Control for governor unit. 17,110 Petrol pipe outside frame ( General changes made at Chateauroux) 12,205 LOP.89035. Lightened petrol tank and Hobson petrol gauge. 17,110 Ferodo M.L. on all brake shoes. 17,110 G.85155. G.84797. Chromium brake drums. 17,110 Ex.27870. Rear axle pinion adjustment washer S/ZN. 17,110 Rear axle pinion nose hardened (Removed in Paris and returned to Works) 10,280 Standard crown wheel, pinion, and special flange for Hardy spicer propellor shaft (fitted at Paris) 6,830 Rear brake carrier plates mod. to G.84349/50. 17,110 N.S.5139. Strengthened rear wheel drivers (removed at Works) 16,355 Present drivers. 755 | ||