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 discussing the economics and production methods for brake drums.
| Identifier | ExFiles\Box 120\1\ scan0156 | |
| Date | 15th January 1937 | |
| -2- 0.130" thick, and are inexpensive to produce once the die is sunk, and they are light. A drum with a solid back plate would, in our case, have to be machined all over and might not represent a saving. We will, however, go into the economies of this at an early date. We have also instructed our Order Office to enquire your price for sample drums. In this case the drums would not have the ribs cast in, and we shall be able to lend you patterns for them as we have produced such drums in our Works. Trusting to hear from you shortly, We are, Yours faithfully, For ROLLS-ROYCE LTD. | ||