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).
Specification and parts list for an order of S.S. Road Wheels and Hubs.
| Identifier | ExFiles\Box 17\7\ Scan011 | |
| Date | 24th October 1928 | |
| RQR c. Hs.{Lord Ernest Hives - Chair} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} ENG. X7810 BY/Cgh{W Clough}3/G.24.10.28. S.S. ROAD WHEELS AND HUBS. We require three sets (6 per set) of Dunlop Wire Wheels with 20" x 5" rims for 32" x 6.75" balloon tyres with the narrow type hub shells. We also require three sets of the narrow type hubs, complete with all the parts as supplied by the Dunlop Co. The hub shells for the wheels are exactly similar to the narrow type which we have recently standardised, but the rims are to be in a different position laterally relative to the shells, and the front hubs are somewhat different to the front narrow type hubs which we have standardised. The rear hubs are identical with the present narrow type. Will you please order three sets of wheels (6 per set) and three sets of front hubs, and we send you herewith the following blueprints giving particulars of the special front hubs and the special wheels:- G.77180/1 Front Hub. G.77182 Wire Wheel with 20" x 5" wellbase rim. G.77183 Wire Wheel Hub Shell. To prevent any mistake we give below piece numbers, titles and quantities required per set :- G.77180 Front Hub (Offside) 1 per set. G.77181 Front Hub (Nearside) 1 per set. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 4689 Spring Stop Ring for Hub. 2 per set. G.72918 Hub Cap Spring. 2 per set. G.72919 Locking Wire for Retaining Nut. 2 per set. G.72920 Screw for Oil Retainer. 2 per set. G.75058 Bearing Retaining Nut. 2 per set. G.75060 Sliding Piece. 2 per set. G.76113 Retaining Piece. 2 per set. The above items make up one set of front hubs. One set of six wheels will comprise the following :- G.77182/3 Wire Wheels with 20" x 5" wellbase rims. 6 per set. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2766 Withdrawal Nut. 6 per set. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2769 Spring Ring for Withdrawal Nut. 6 per set. | ||