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MSA-3DFoil is used for the aerodynamics conceptual/preliminary design and subsequent analysis of a flying wing (UAV). More information about 3DFoil is found at: http://www.hanleyinnovations.com/3dfoil.html The following steps are used to design and analyze the wing in 3DFoil: 1. Input the dimensions and sweep half of the wing (half span) 2. Input the dimensions and sweep of the winglet. 3. Join the winglet and main wing. 4. Generate the full aircraft using the mirror image insert function. 5. Find the lift drag and moments 6. Compute longitudinal and lateral stability 7. Look at the contributions of the surfaces. 8. Verify that the winglets provide drag reduction. More information at: http://www.hanleyinnovations.com/3dfoil.html