Do I need a 4th Wing Attachment point between the strake and wing leading edge?
No! There is no technical or structural reason for doing this. The center spar/strake combination results in a structure so stiff that the wings do not twist at flight loads. As for the history of this question, some German aviation authorities made a political decision to require Long EZ builders to put a 4th attachment point where the wing leading edge meets the strake. Burt Rutan adamantly objected to the change. Cozy Classics built in Germany had to adopt the 4th attachment point too.
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- Do I need a 4th Wing Attachment point between the strake and wing leading edge?
