Scheme for the Wraith III rear springs using threaded shackles and 'Duprene' washers.
| Identifier | ExFiles\Box 9\5\ 05-page128 | |
| Date | 21th September 1937 | |
| F. {Mr Friese} Dept. [crossed out] G. {Mr Griffiths - Chief Accountant / Mr Gnapp} Dept. [crossed out] D. {John DeLooze - Company Secretary} Dept. [crossed out] E. {Mr Elliott - Chief Engineer} Dept. [crossed out] C. Rm. {William Robotham - Chief Engineer} OF. FB. [crossed out] -------------------- 646 DA. {Bernard Day - Chassis Design} 1/G.21.9.37. REAR SPRINGS - WRAITH III. -------------------------- Herewith the following scheme :- F.CD.73 Rear Springs aft. Shackle (Threaded Shackles). This design utilises "Duprene" Washers to provide protection against dirt. The general construction is such that the parts can be assembled, and the "Duprene" washers compressed without using special tools. DA. {Bernard Day - Chassis Design} | ||
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).