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).
Diagrammatic sketch of the Maybach Overspeed mechanism.
| Identifier | ExFiles\Box 128\1\ scan0094 | |
| Date | 10th October 1930 | |
| DIAGRAMMATIC SKETCH OF MAYBACH OVERSPEED B. FREE TO ROTATE ON ENGINE SHAFT A.{Mr Adams} SPLINED DIRECTLY ON CLUTCH SHAFT C. SPLINED TO PROPELLOR SHAFT AND GEARED TO B. EDGES OF DOGS PERFECTLY SQUARE AXLE ANGLE OF BACK OFF 10° APPROX 3 DOGS ONLY CLUTCH SHAFT A ENGAGED WITH B, ENGINE SPEED 1/2 OF PROP SHAFT: OVER OR TOP SPEED A ENGAGED WITH C, DIRECT DRIVE: DIRECT OR 5TH SPEED CHANGING UP A ENGINE SPEED FASTER THAN B. ENGINE MUST BE ALLOWED TO SLOW DOWN BEFORE ENGAGEMENT CAN TAKE PLACE CHANGING DOWN REVERSE PROCESS. | ||