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).
Table showing nominal, mean, max, and min radii of Myth springs by Toledo Woodhead.
| Identifier | ExFiles\Box 110\3\ scan0061 | |
| Date | 24th April 1941 | |
| Rm{William Robotham - Chief Engineer}/GB.12/ET.24.4.41 - 3 - TABLE SHOWING NOMINAL, MEAN, MAX. & MIN. RADII OF MYTH SPRINGS BY TOLEDO WOODHEAD. ----------------------------------------------------------------------------------------------------------------- | | Spring No. 1 | Spring No. 2 | Spring No. 3 | Spring No. 4 Leaf No. | Nominal |----------------------------|----------------------------|----------------------------|---------------------------- | | mean | max. | min. | mean | max. | min. | mean | max. | min. | mean | max. | min. | | rad. | rad. | rad. | rad. | rad. | rad. | rad. | rad. | rad. | rad. | rad. | rad. ----------------------------------------------------------------------------------------------------------------- 1 | 53.6 | 45.8 | 400 | 39 | 47.1 | 165 | 42.9 | 46.6 | 81 | 40 | 45.5 | 117 | 39 2 | 41.6 | 42.4 | 48 | 38.5 | 42 | 48.3 | 39 | 42 | 47.9 | 40 | 42 | 48.3 | 40 3 | " | 42.2 | 49 | 39.5 | 41.6 | 46.9 | 39 | 42.2 | 47.5 | 38.1 | 41.9 | 49 | 39.5 4 | " | 42.3 | 50 | 44 | 42.3 | 48.3 | 41.7 | 40.5 | 47.9 | 41.5 | 40.85 | 49 | 42.3 5 | " | 43.5 | 50.5 | 41.2 | 40.9 | 49.8 | 41.7 | 41.25 | 47.5 | 40 | 42.25 | 50 | 38.5 6 | 34.1 | 32.2 | 40.5 | 32.5 | 31.3 | 40.6 | 31 | 35.3 | 41 | 31.8 | 36.25 | 41.8 | 32 7 | " | 32.5 | 42.4 | 32 | 32.5 | 39 | 31.6 | 38.2 | 40.5 | 31.5 | 33 | 41.2 | 30.7 8 | " | 37.75 | 41.8 | 32.7 | 37.7 | 39 | 30.7 | 38.6 | 39 | 30.7 | 37.75 | 41.8 | 31.7 9 | " | 37.0 | 36.9 | 37.1 | 35.2 | 36.7 | 33.8 | 36.0 | 36.8 | 35.2 | 39.2 | 41.8 | 36.7 ----------------------------------------------------------------------------------------------------------------- Rm{William Robotham - Chief Engineer}/GB. G.B. | ||