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 hysteresis of a Bentley 25 HP servo, comparing special and ordinary ball bearings.
| Identifier | ExFiles\Box 87\5\ scan0045 | |
| Date | 31th December 1934 guessed | |
| HS{Lord Ernest Hives - Chair} 1661 HYSTERESIS OF BENTLEY & 25 H.P. SERVO COMPARISON OF SPECIAL & ORDINARY BALL BEARINGS SUPPORTING INNER PRESSURE PLATE. CONDITIONS OF TEST. 1. SPRING RING, TORSIONAL CONNECTION. 2. BALL BEARING BRIDGE 3. 45° CAMS OUTPUT - LOAD IN VERTICAL ROD lbs. INPUT - COUNTERSHAFT TORQUE lbs. AT 18.5" SPECIAL BALL BEARING WITH END PLAY BALL BEARING WITHOUT END PLAY | ||