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).
Production issues with drilling No. 9 Ferodo brake material for the rear hub and brake.
| Identifier | ExFiles\Box 26\4\ Scan080 | |
| Date | 26th January 1920 | |
| COPY. Hs.{Lord Ernest Hives - Chair} from Mr. C.R. X 3518 BY7/H26.1.20. V3576 CHASSIS - REAR HUB & BRAKE. X 3743 Referring to the car running 10,000 miles which is for proposed departures from design, I would like to know whether you have incorporated on same the No.9. Ferodo Material which is produced without bonding wire and solid pressed under very heavy hydraulic pressure. I would like to point out that although the material we are now using is satisfactory in use, it is extremely difficult to drill same for the rivit holes; we are in consequence making quite a large percentage of scrap due to this operation. The matter is therefore one of distinct importance from the production Dept. point of view. BY.{R.W. Bailey - Chief Engineer} | ||