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).
Graph showing deflection versus torque for a modified 10 inch drive plate with yellow springs.
| Identifier | ExFiles\Box 130\3\ scan0179 | |
| Date | 18th February 1941 | |
| PLATE "D" ROLLS-ROYCE-TORQUE 206 LBS/FT. 10" DRIVE PLATE 41132 MODIFIED i.e. FITTED WITH YELLOW SPRINGS 150/165 LBS, STOP PINS 41830 AND 2 - .015" SPACERS EACH SIDE. TORQUE TEST 200 LBS/FT. 18/2/41. A.W.H. DRIVE OVER-RUN W/I.8912. DEFLECTION AT 12" RAD. TORQUE - LBS/FT. SK 31314/4. A.W.H. 18.2.41. | ||