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Old 07-05-2017, 04:04 PM
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JumpJet JumpJet is offline
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Join Date: Apr 2008
Location: Pueblo Colorado
Posts: 1,248
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Lee,

That's why I simply build my prototypes and fly them to see what happens. I use RockSim only after they have flown to see what the program says the Margin of Stability is and then add clay to get to a 1.5 that Estes requires. Of course non of the programs work for some of the stuff I've been designing these days so I am know to shot out those famous works. "This is a Heads Up Flight" when test flying prototypes out at my clubs field.



John Boren
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