The Egg Carton Glider
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OK... get that egg carton....styofoam! |
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Cut off the top with a pair of sissors. |
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Cut off the lip |
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Hey we have a wing!.... |
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Now you can cut the Marske Planform..... slight taper ratio. |
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Add your weight.. I use welding rod taped on but a penny will do just fine! |
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First flight..... check that weight and balance....youngsters will have a tough time throwing the glider at first... yes it takes practice! This glider will actually fly upside down as well... have fun! And if you really want a challenge explain how the airfoil produces a positive pitching moment!.....and yes it also produces a positive pitching moment when flying upside down. |
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A shot of the underside. |