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 modifications and part changes for various vehicle systems including exhaust, axles, brakes, and gearing.
| Identifier | ExFiles\Box 169\1\ img093 | |
| Date | 1st September 1930 | |
| (2) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/SS.{S. Smith}9.30. Exhaust Fittings to LOP. E.80581. E.80967 Exhaust Pipe incorporating Scheme 1191 Shield for protecting Ignition Wires. Front Axle & Brakes to LOP. G.78450. Mintex linings removed and GWH{George W. Hancock - Head Chateauroux}'s. scheme of Brake Straps (toggle device) to Drg: Ex.5077 lined with Ferodo Bonded Asbestos, fitted. Rear Axle to LOP. G.78285. Axle No. EXP.8 - 90 M.{Mr Moon / Mr Moore} 11 x 41. Mintex linings removed and re-lined with Ferodo Bonded Asbestos to both Hand and Foot Brakes. Front Axle Control Dampers to LOP. F.82446. Nearside intermediate lever F.82449 fitted with floating Bush F.82453 removed and F.82452 Lever (S/ZN) hardened in bore at small end, fitted. Loads set H.P. 120 lbs. L.P. 120 lbs. Anchorage for Front Axle Dampers to LOP. F.82447. Spindle F.79332 modified to altered drawing by the addition of two .080 dia: Oil Holes. Change Gear & Brake Mechn: to LOP. G.77720. The following parts produced with finer limits to cure rattles on Change Gear Mechn: G.78579 Pivot. Modified to Drg: Ex.5276. G.78583 Spherical Seating. Mod. to Drg: Ex.5275. G.78584 Selector Lever. Mod. to Drg: Ex.5277. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||