TETHERED VERTICAL LIFT DEVICE
Bi-monthly status rept. no. 2, Sep-Oct 1957
ALTOSCAN CO LANDSDOWNE PA
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An engineering investigation was made using flying models to determine the optimum means of sustaining radar reflecting targets at altitude under a rather wide range of wind velocities. The specific requirements for the device are as follows 1 capable of hovering with full control while being tethered to a small surface craft 2 capable of attaining a maximum altitude of 500 ft above sea level while supporting a target weight of 25 lb 3 capable of supporting a target weight of 25 lb at 500 ft altitude with a wind of 30 kt and a ship speed of 25 kt 4 capable of hovering and forward speeds up to 55 kt 5 capable of continuous operation for a 24 hr period and 6 capable of being launched from a limited deck space.