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).
Blue print for a new wheel for the 40/50-HP chassis, detailing specifications and differences from a standard wheel.
| Identifier | ExFiles\Box 159\1\ scan0186 | |
| Date | 21th February 1930 | |
| To. RHS. c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} x3726. BY/TWD{T. W. D???Aeith}1/E.21.2.30. 40/50-HP. CHASSIS. x3725 x8810 REAR HUB. SECTION 6170. FRONT AXLE & BRAKES. SECTION 7040. Please receive herewith one blue print of the following :- G.78339. Section through Narrow Type Shell & Well Base Rim (5" x 20" Dia.) fitted with Dunlop Balloon Tyres 6.75 x 32" Dia. SS.{S. Smith}W.B.5" x 20". The above drawing has been produced at the request of the Order Office for the Exptl. Department. See memo' Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}4/MJ.14.2.30. This new Wheel is similar to the "L.2." Series (2nd. 100.) Standard Production Wheel G.77182, with the exception of the track which has been set out .500 in relation to the inner edge of the Hub Shell. This blue print is being sent to keep your records up to date. BY/TWD.{T. W. D???Aeith} | ||