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).
Recommending a cost and weight-saving change to the Mark V radiator on the 20/25 model.
| Identifier | ExFiles\Box 105\1\ scan0239 | |
| Date | 17th January 1936 | |
| To Hs{Lord Ernest Hives - Chair}/Std. X520 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}13/KW.17.1.36. I am recommending that when we go to the Mark V radiator on the 20/25, we should make a substantial saving in weight and cost by using the .005" waterway strip tinned and the .004" centre strip untinned. We want two radiators building up to this specification, one for the new 20/25, 22-G-V, for a road test, and one for a bump test. Both these radiators should have the economies made in the side plate construction recommended by Sft.{Mr Swift} Will you please issue the necessary instructions for 2 to be put in hand right away. Until we get these radiators tested we propose to carry on with the Mark III. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||