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Thread: Rotary UFO over Stockholm 13/07
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Old 15th Jul 2013, 21:26
  #12 (permalink)  
cragman
 
Join Date: Jul 2013
Location: norfolk (UK)
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Iv heard your standard gyro needs to reach 30mph on the ground to acheive lift. It would need alot of poke to reach that on water with large floats.
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