TY - JOUR AB - In order to simulate every conceivable hydraulic operating condition likely to be encountered on controllers or hydromatic propellers in flight, de Havilland Propellers Ltd. have devised test rigs on which these assemblies are tested before delivery or after overhaul. VL - 32 IS - 3 SN - 0002-2667 DO - 10.1108/eb033228 UR - https://doi.org/10.1108/eb033228 PY - 1960 Y1 - 1960/01/01 TI - Research and Test Apparatus T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 91 EP - 91 Y2 - 2024/04/25 ER -