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).
Letter to the Empire Rubber Company regarding cold chamber tests on sponge rubber door sealing strips and the cost of new dies.
| Identifier | ExFiles\Box 117\3\ scan0371 | |
| Date | 14th March 1941 | |
| Rm{William Robotham - Chief Engineer}/BAG.1/ET. THE EMPIRE RUBBER COMPANY, DUNSTABLE, Beds. Dear Sirs, SPONGE RUBBER DOOR SEALING STRIPS WITH SYNTHETIC SKIN We have carried out tests in our Cold Chamber with the sample of rubber strip that you sent us. While we noticed slight hardening of the skin, we do not think that, during frosty weather, this would be objectionable. Enclosed is a piece of sealing rubber covered with velvet, which will show the size of the section that we are at present using on some of our cars. To make a satisfactory trial it would be necessary to have sufficient rubber to fit to one car. Before asking you to make a sample length, we should like to know what the cost of the necessary dies would be. If you would kindly let us have this information, we can then decide if we consider that it is worth the expense. We take it that it is necessary for the dies to be made to produce the exact size of rubber required and, should it be found necessary to make any modification in size of section after the test has been carried out, a new die would have to be made. Yours faithfully, | ||