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).
Weaknesses and improvements to a side spare wheel carrier anchorage plate.
| Identifier | ExFiles\Box 103\5\ scan0086 | |
| Date | 20th June 1929 | |
| c o p y . To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from GWH.{George W. Hancock - Head Chateauroux} Hotel de France, Chateauroux, Indre, France. 20.6.29. We have as previously reported bean working on the side spare wheel carrier. We have now had made and fitted the suggestions I sent you. There is now no movement of the tubes, but we have found a greater weakness. The anchorage plate we reported whipped. In the sketch, you will observe an exaggeration of whipping, and also how we have attempted to overcome it, but after doing this we still get a bad distortion of the anchorage plate due to the small area of the head of the bolt marked in red, which being local simply pulls the plate about how it likes. There should be a large dia. plate here to distribute the load. We have improved by our arrangement the carrier 50%. The above applies to the rear carrier also. The bolt head is too local. Hs{Lord Ernest Hives - Chair}/G.W.Hancock. | ||