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 timing gear test house.
| Identifier | ExFiles\Box 143\1\ scan0146 | |
| Date | 1st January 1936 | |
| 37 ft 25 ft SMALL RIGS ARRANGED HERE POSITION OF CHASSIS WHEN NOT REQUIRED ON MAIN RIG. GEARBOX UNDER TEST (3) (1) (1) 50 H.P. D.C. MOTOR (4) (2) Ph III PROP SHAFT (2) (4) 50 H.P. D.C. GENERATOR Ph III GEAR BOX TO STEP UP SPEED FOR GENERATOR. NOTE 1. INTERMEDIATE BEARINGS MOUNTED ON FLOOR. THESE BEARINGS MUST BE PLAIN (i.e. NOT BALL OR ROLLER) FOR SILENCE. NOTE 2. HARDY SPICER RUBBER COUPLINGS. NOTE 3. OLD Ph III CHASSIS FRAME AND BODY. RESTING ON BLOCKS OF RUBBER AT FOUR CORNERS SO THAT C/L TRANSMISSION IS HORIZONTAL. NOTE 4. 4:1 RATIO GEARBOXES WITH OPTION OF STRAIGHT THROUGH DRIVE. SUGGESTED ARRANGEMENT OF GEARBOX AND TIMING GEAR "TEST HOUSE". SCALE 1/60. | ||