Problems in using helicopter for mapping photography include -- provision of camera hatch, X-tip and yaw characteristics of helicopter, control of flight altitude, flight planning to minimize hidden areas, etc; requirement for accessability and unobstructed view for camera led to choice of Bell J-2 and Wild RC-8 combination coupled with vibration dampening mount; test photographs taken at 300 ft above ground proved to be free of blurring due to motion or vibration, and subsequent work performed for several governmental agencies at compilation scales of both 1 in.=10 ft and 1 in.=20 ft was highly successful.
Helicopter photography and mapping
Photogrammetric Eng
Photogrammetric Engineering ; 33 , n 10
1967
4 pages
Aufsatz (Zeitschrift)
Englisch
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