Building a Jumbo Walkalong Glider
(50" Wingspan)
A nice view of our slowest, lightest, glider, gliding free.
The sheet is cut and layed out. Note the left wing must be turned upside down. Since the wingtips from a plan with 27.5"X2 wingspan scaling go off the Depron sheet, the two triangles of excess material will be taped on the tips to augment the elevator surface area.
Next Lines are drawn on the undersides of each wing and a slight bend is thermoformed along each line to create the airfoil. I added extra lines midpoint between dimensions J, I&J and I&H to make a smoother curvature.

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Layout on 19.5" X 27.5" X 3mm Depron Sheet from Depron USA. The wingspan was scaled to the largest dimension of the Depron sheet (27.5") using the plan of walkalong glider dimensions (MS Word format) and scaling the dimensions using excel with this file.
Here bends are thermoformed to create the elevator surfaces. Once again, I inserted an extra set of lines mid point between the K dimensions for a smoother curvature to the elevator. Note the wingtip pieces are thermoformed at the same time as the wing. Then taped in place

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