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).
Parts and modifications for a side spare wheel carrier on a 20-HP chassis.
| Identifier | ExFiles\Box 103\5\ scan0051 | |
| Date | 22th September 1927 | |
| C. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X5600 BY/HEB{H. Biraben}7/M.22.9.27. 20-HP. CHASSIS. SIDE SPARE WHEEL CARRIER SEC:7430. Further to our memo' BY/HEB{H. Biraben}6/ML.3.8.27, by which we issued the Side Spare Wheel Carrier modifications to suit 31" x 6" Cord Balloon(Buttressed Tyres) on 19"Rims (Wire Wheels), please receive herewith one blueprint of each of the following:- F.55229 Supporting Tube O.S. 1 off per chassis. F.55230 N.S. 1 " " " F.55231 Socket for Side Spare Wheel Tube. 1 " " " Kindly instruct for each of the above parts to be produced and fitted Experimentally, noting that they are required to suit the above mentioned tyres on Artillery Wheels. The remaining parts required should be instructed in accordance with the Standard L.O.P. F.54601. This completes the issue of parts required for the Special Tyres on Artillery Wheels, the modifications to Lock Angles, Wings and Luggage Grid as instructed for Wire Wheels will apply to the Artillery Wheels. BY/HEB{H. Biraben} | ||