Ace Tapered Foam Wing balsa ribs


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This is a balsa rib set to replace the Ace tapered foam wing.  Sheet the wings with 1/16″ balsa sheet.  It can be fully sheeted, or sheet just the fore and aft portions and use cap strips in the middle.  Leading and trailing edge sticks are 1/4″ balsa, spars are 1/8 x 1/4.  The ribs are square at the trailing edge, so you’ll need to add 5/16″ balsa trailing edge stock, which can be either an aileron or a fixed trailing edge.  It appears that this rib set was designed with the intention that the two wing panels be joined with glass cloth, without a plywood dihedral brace.

Here’s the plan file on Outerzone.