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).
Blueprint of a G.M. Crankshaft Torsional Fatigue Test rig.
| Identifier | ExFiles\Box 132\1\ scan0154 | |
| Date | 20th September 1939 | |
| SK.1 INVERTED ENGINE BLOCK CONTAINING A CRANKSHAFT CARRYING RING WEIGHTS CLAMPED TO EACH PIN REPRESENTING ROTATING MASS OF CON. ROD EXCITER SOFT SPRING CONTROL FLYWHEEL MULTIPLE VEE BELT DRIVE 7 1/2 HP POLYPHASE VARIABLE SPEED AC. MOTOR QUILL SHAFT APPROX. 2500 R.P.M. CHAIN DRIVE OIL PUMP 10 FEET STR. FILAMENT LAMP GRADUATED SCREEN MAGNETO SPEEDOMETER CONCAVE MIRROR FASTENED ON BRACKET CLAMPED TO C'SHAFT 1" BOILER PLATE TO ANCHOR THE TWO BEDS G.M. CRANKSHAFT TORSIONAL FATIGUE TEST OLLEY 20/9/39 | ||