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).
The loads experienced by a shutter bearing during operation.
| Identifier | ExFiles\Box 39\4\ Scan183 | |
| Date | 22th October 1930 | |
| Hs{Lord Ernest Hives - Chair}/Hml/AD22.10.30 contd. -2- shutter bearing. this should be adequate for all conditions. It should be noted that the loads are higher for the "starts to open" position than those we measure at .250 travel. I.E. The thrust at the commencement of the upward travel will be about 5 lbs. greater than shewn, and the pull at the commencement of the downward travel also about 5 lbs. greater (See curves attached to Hs{Lord Ernest Hives - Chair}/Hml/HJ. 12.9.30). Hs{Lord Ernest Hives - Chair}/Hn.{F. C. Honeyman - Retail orders} | ||