Wing tanks came up in conversation recently so I thought I'd post a photo of my wing tanks built nearly 30 years ago now. They extend aft of the main spar just 10" and hold 12.5 gallon each wing. Tanks were built, then sealed with bottom panel, wing foam added and sanded to shape and wet layup to complete. My CG moves forward just 1" from full to empty.
Larry Flesner
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