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).
Recommendation for the setting of the Goshawk II slipper drive arrangement.
| Identifier | ExFiles\Box 74\3\ scan0261 | |
| Date | 2nd February 1922 | |
| X4221 BY from EP.{G. Eric Platford - Chief Quality Engineer} c. to Hs.{Lord Ernest Hives - Chair} EP{G. Eric Platford - Chief Quality Engineer}3/H21.2.22. Re. GOSHAWK II. SLIPPER DRIVE ARRANGEMENT. X4221 With reference to the above, we recommend that the best setting for the slipper drive is for 8 springs only to be used, the same strength as now issued, special bolts to be arranged so that these springs can be tightened up choc-o-bloc and then unscrewed a quarter of a turn, at which position they should be split pinned. With this setting we find that the friction is overcome when a load of 14 Lbs. is applied at 17¾" radius. Hs{Lord Ernest Hives - Chair} RECEIVED FEB 21 1922 EP.{G. Eric Platford - Chief Quality Engineer} Hs{Lord Ernest Hives - Chair} RECEIVED FEB 22 1922 | ||