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The Monitoring Blimp: Brief description
Applications:
Photographic documentation and monitoring of limited areas at scales between
terrestric photography and conventional aerial surveys (image scales between
1:100 and 1:15000, areas covered between approx. 10 m² and 20 ha)
Technical data blimp:
Lenght approx. 10 m, diameter approx. 6 m, volume approx. 100 m³
free-lift capacity approx. 6 kg
flying heights up to 400 m (heigher with longer tether ropes)
personal required: 4-5 persons
power and gas supply: 5 l propane (approx. 45 min., costs 3 ECU), rechargable
storage batteries
burner and camera system controlled by commercial remote control device
transport by car or 4-5 persons
Technical data sensor:
twin camera system of two 35-mm single reflex cameras (Pentax Z50P)
vertical suspension from damped cardan joint
remotely controlled 360° electronic turntable and camera trigger
small format photographic film (Kodak Ektachrome Elite 100 und Infrared
slide film)
Advantages:
stable and vibration free platform
relative ease of use and maintenance: no technicians or specialists required
easy to transport
high rate of repeatability, quick to set up (set-up time approx. 15 min.)
large range of survey altitudes, also images from very low flying heights
35-mm camera system with very good value for money: excellent choice of
cameras, lenses and films available
very low running costs
Disadvantages:
wind velocity not exceeding 3 Beaufort
survey areas limited by use of tether ropes: no woodland, no high trees,
no power lines
flying height not easy to keep constant
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| Please address requests and comments to Johannes
Ries or Irene Marzolff |
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