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).
Note specifying the identification letters and numbers for various types of Dunlop detachable wheels and hubs.
| Identifier | ExFiles\Box 81\2\ scan0027 | |
| Date | 22th December 1926 | |
| By from Wd.{Mr Wood/Mr Whitehead} c.to Hs.{Lord Ernest Hives - Chair} c.to Roy.{Sir Henry Royce} c.to Ms. c.to Sn.{Mr Sanderson} c.to EWT.(Test Dept). c.to Hm.{Capt. W. Hallam - Head Repairs} c.to EP.{G. Eric Platford - Chief Quality Engineer} c.to D/BP. RECEIVED DEC 22 1926 DUNLOP DETACHABLE WHEELS AND HUBS. Letters and figures to be employed to identify various types of wheels and hubs. We have found it necessary to amend the information given in Wd{Mr Wood/Mr Whitehead}14/NJ18.8.26 and shall be glad if you will cancel said note and substitute this note for same. We have instructed the Dunlop Rubber Co. and their associates the Dunlop Rim & Wheel Co. that the identification letters and numbers to be employed are as follows:- E5 - Detachable wire wheel and single lock equipment (hub) for our 40/50 HP. chassis. E2 - -do- -do- for our 20 HP. chassis. G5 - Detachable wire wheel and double lock equipment (hub) for our 40/50 HP. chassis. G2 - -do- -do- for our 20 HP. chassis. H5 - Detachable steel artillery type wheel with rim 32 x 4 1/2" for S/S tyre 33 x 5" and for double lock hubs G.72908/9 (front) and G.72930/1 (rear) for 40/50 HP. chassis. H2 - Detachable steel artillery type wheel with rim 32 x 4 1/2" for S/S tyre 32 x 4 1/2" and for double lock hubs G.51824/5 (front) and G.51835/6 (rear) for 20 HP. chassis. KWB-5 - Detachable steel artillery type wheel with 5 x 21" wellbase rim and for double lock hubs G.75067/8 (front) and G.75065/6 (rear) for 40/50 HP. chassis. All the foregoing identification letters signify that the wheels are provided with rims with loose flanges for S/S tyres. except KWB-5 which is provided with wellbase rim. When wellbase rims are called for, the letters WB{Mr Brazier/Mr Bell} will be added after the initial letters in each case, thus:- EWB-5, EWB-2, GWB-5, GWB-2, HWB-5, HWB-2 and KWB-5. Wd.{Mr Wood/Mr Whitehead} | ||