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).
Weight comparison between a standard goods spring and a solid eye spring.
| Identifier | ExFiles\Box 3\2\ 02-page041 | |
| Date | 18th December 1913 | |
| x 200 Extract from Tvy/181213 x 882 in reply to Memo Wos/SM10/M/121213 Weight of Standard goods spring 34 lbs, Weight of solid centre eye spring 30 lbs, both bushed and equal strength. Further to my report Wos/SM10/M/111213 please add that a complete goods type Spring with solid eyes on top weighs 30.5 lbs against standard 34 lbs the reduction in weight being due to the use of thicker plates. | ||