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Click to Add Title 16.00 CDR: Spring, 2004
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The Team Alex Coso Fred Gay Dan Cunningham Val Lugo
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Final Design Drawing courtesy of Dan Cunningham
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Final Design Drawings courtesy of Dan Cunningham
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Final Design Drawings courtesy of Dan Cunningham
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Final Design Drawings courtesy of Dan Cunningham
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Scale Drawings Drawings courtesy of Dan Cunningham
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Scale Drawings Drawings courtesy of Dan Cunningham
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Scale Drawings Drawings courtesy of Dan Cunningham
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Structural Analysis Structure:65g x 1 = 65g Motors:93g x 2 = 186g Motors: 269g x 1 = 269g Propellers: 5.2g x 3 = 15.6g Servos:43g x 3 = 129g Radio Gear:46g x 1 = 46g Batteries: 260g x 1 = 260g Total Mass: approx. 970.6g Payload: approx. 729.4g Dimensions: Length: 2m Width: 1.25m Height: 1.5m
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Aerodynamic Analysis Helium Required: Lift=ΔρVg=17.15N Assuming two balloons, their radius must be.53m to generate the necessary lift Thrust must be equal to drag in steady flight Thrust = Drag = 2.64N v 2 =2D/ρSC D v=1.5m/s Total course time estimate: 60 to 70 sec.
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Control Analysis Yaw control is provided by two oppositely facing, fore and aft mounted small motors Pitch control is provided by the third, main drive motor, which pivots about a horizontal axis Control surfaces will be added if we deem them necessary after initial flight testing
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