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 experimental work, detailing design instructions, work carried out, and experimental parts issued.
| Identifier | ExFiles\Box 76\2\ scan0280 | |
| Date | 4th June 1931 | |
| PROGRESS OF EXPERIMENT WORK ENDING 4TH. JUNE. 31 DESIGNS AND INSTRUCTIONS RECEIVED FROM W.W. LeC.1396 - Cylinder Head Modification. Goshawk 11 LeC.1397 - Tyre Pump Connection. " LeC.1399 - Piston and Conn. Rod. " LeC.1400 - Bonnet & Radiator Top Support. " LeC.1401 - " DESIGN WORK CARRIED OUT AT DERBY. Back Axle Ratios. Goshawk 11 Crankcase Breather. " Layout of Steering Box Support Tube. " Arrgt. of 12XR2 C.A.V. Willard Battery. " Prop: New Position of Step Irons. 40/50 Battery Box Lid{A. J. Lidsey} Fastener. " Modification to Clutch Mechanism. " Instruction Plate for Primer Cock. " Exhaust Heater Throttle. " DETAILS OF EXPERIMENTAL PARTS ISSUED BY D.O. Change Gear & Brake Lever Mech. LeC.1333 Details compl: Goshawk 11 1349 and 1351. Rear Axle Centre Portion N.sch.761. 750 " and 809. Further details issued. Rear Brakes. N.sch.809. LeC.1329. " Further details issued. Rear Hubs. N.sch.809. Further details " issued. Petrol Tank. LeC.1376. Part details " issued. Front Axle & Cross Steering Tube. N.sch. " 690. Part details issued. Frames & Fittings. LeC.1383. 1391. " Further details issued. Steering Column & Box. N.sch.902. " Part details issued. Modification to Ball Joint Controls. Details compl: " LeC.1387 - contd:- | ||