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 the friction effect in a W.W. slow speed servo, plotting torque output against torque input.
| Identifier | WestWitteringFiles\L\2April1924-June1924\ Scan107 | |
| Date | 5th April 1934 guessed | |
| CURVES SHOWING FRICTION EFFECT IN W.W. SLOW SPEED SERVO. TORQUE OUTPUT. lbs.INS. 2500. 2000 1500 1000 500 0 TORQUE INPUT. lbs INS. 200 400 600 800 DECREASING LOAD INCREASING LOAD TOTAL TORQUE OUTPUT. DECREASING LOAD INCREASING LOAD SERVO TORQUE. OUTPUT. | ||