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 numbers for various chassis components.
| Identifier | ExFiles\Box 169\1\ img018 | |
| Date | 13th June 1929 | |
| (6) RHC{R. H. Coverley - Production Engineer}/FW4/MS13.6.29. Hand Brake Equal. Mechn - L.O.P. G 76951.-N.S.2835-8. Modified by using New Bracket & Cap, Bevel Wheel etc. to drgs: G.77594/5/7/8/9- G.77600 - G.77560-3 to N.S.2835-8. Front Brake Equal. Mechn - L.O.P. G.76658 - N.S.2521-2-2538 Front Axle - L.O.P. G.77305. Axle No. 6-B-1. (1) Modified Axle Pivots for Air Vessel to N.S.2756-G.L.307. (2) Modn. to give 38°L.H. Lock to N.S.2718 - G.77401 - to G.77408. (3) Ferodo Bonded Asbestos Lining fitted to Brakes. (4) Lean of Pivots set at 3°. Cross Steering Tube - L.O.P. G.77482 - N.S.2797. 1¼" dia: Spring Loaded Ball Joint to N.S.2797 using Cross S. Tube G.77468. Propeller Shaft & Universal Joint - L.O.P. G.76852. N.S.2547. (1) Strengthened type 6" Mechanic's Joint to N.S.2547 with larger Bearings G.77346 mod. to Ex.3818. (2) Trunnion Housing Joint Faces treated with "Heldite". (3) Leather Washers G.77362 fitted in place of Felt Washers. (4) Oil Retaining Washers G.77596 to prevent Oil Leaks. Undersheets - L.O.P. G.77358 - E.77680. Complete new set of Side Engine Guards front Underpan & G/B Undersheet to Sch.1104-1149/50. Radiator - L.O.P. E.77675. Strengthened type Suspension Studs E.78617 & Springs E.78658. | ||