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 plotting friction-angular movement curves for a Phantom III cross steering tube joint and a standard Bentley joint.
| Identifier | ExFiles\Box 95\1\ scan0322 | |
| Date | 12th May 1936 | |
| FRICTION - ANGULAR MOVEMENT CURVES PH III CROSS STEERING TUBE JOINT TO NSCH 4523 AND STANDARD BENTLEY JOINT BENTLEY JOINT PH III JOINT WITH SPLIT UPPER BALL PAD STANDARD PH III JOINT FRICTION TORQUE INCH. LBS ANGULAR MOVEMENT 0.6° ANGULAR SWING 2.5° 5° INFINITE 50 40 30 20 10 1° 2° 3° 4° 5° 2074/12/5/36 | ||