Blueprint for a special rear road spring for Sports Chassis No. 23 EX.
| Identifier | ExFiles\Box 52\2\ Scan207 | |
| Date | 21th January 1930 | |
| 53 3/8" CENTRES 25 1/4" CENTRES PAD 5"05" TOTAL DEPTH 1.75" 1 1/2" FRONT EYE .35" THICK 66" CENTRES CENTRE BOLT CENTRAL 1 1/2" REAR EYE NOTE:- ALL PLATES ARE .35" THICK 1150 LBS 5 PLATES FINISHED WEIGHT 63 LBS SPECIAL REAR ROAD SPRING FOR ROLLS ROYCE SPORTS CHASSIS No 23 EX.— SCALE HALF FULL SIZE THOS FIRTH & SONS LTD SPRING DEPARTMENT TINSLEY 21ST JANUARY 1930 DRAWING No 21 ROLLS-ROYCE PRINTED 22 JAN 1930 DERBY | ||
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).