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).
Drawing of a complete flexible centre clutch plate with a deflection test table.
| Identifier | ExFiles\Box 129\2\ scan0105 | |
| Date | 7th May 1935 | |
| A.{Mr Adams} B. SECTION A-B. 1 3/16" 8 3/8" DIA. 6" DIA. 3 5/16" DIA. DEFLECTION TEST Lbs. inch. Degrees. Drive. Overrun. nil 120 .30 .75 160 .10 .45 200 .05 .50 1.70 240 .05 .65 280 .10 .65 320 .05 .55 360 .05 .20 3.75 540 .40 .60 630 .15 .20 720 .35 .20 810 .25 .15 1.85 4.90 DRAWN BY: K.O. APPROVED BY: DATE: 7.5.35 SCALE: FULL SIZE DESCRIPTION: FLEXIBLE CENTRE CLUTCH PLATE COMPLETE. ROPER & WREAKS LTD., OVAL WORKS, SHEFFIELD. 1. Nº OFF: MATERIAL: STYLE: TREATMENT: MODEL: 9" COMPONENT Nº: 9/Z DRAWING Nº: C.23. | ||