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).
Suggested arrangement for a gearbox and axle silence test rig driven by an electric motor.
| Identifier | ExFiles\Box 155\3\ scan0027 | |
| Date | 1st January 1947 guessed | |
| SMALL RIGS ARRANGED HERE. WALLS SOUND INSULATED MOTOR WITH SWINGING FRAME. RUBBER COUPLING DOG CLUTCH GEARBOX UNDER TEST. THE BOX IS MOUNTED ON A FLAT PLATE WHICH IN TURN IS SECURED AT CORNERS ONLY ON DISTANCE PIECES. PHANTOM GEARBOX REVERSED TO STEP UP SPEED FOR GENERATOR GENERATOR SPIRAL BEVEL 1/1 GEAR. 30 FT. APPROX 25FT APPROX. MOTOR-GENERATOR SET FOR SUPPLYING LOSSES IN GEARBOX TEST RIG AND POWER FOR SMALL RIGS. TELESCOPIC SHAFTS WITH PHANTOM UNIVERSAL JOINTS. ALL CONTROLS MUST BE ARRANGED NEAR GEARBOX UNDER TEST. WHEN TESTING AXLES, THE AXLE IS MOUNTED IN PLACE OF THE GEARBOX, ONE HUB BEING COUPLED TO THE GENERATOR AND THE OTHER LEFT FREE, AND THE PROP SHAFT TO THE BEVEL GEAR. HS{Lord Ernest Hives - Chair}1946 SUGGESTED ARRANGEMENT OF GEARBOX AND AXLE SILENCE TEST RIG WITH DRIVE BY ELECTRIC MOTOR. | ||