Re Ken Crawford question on scarfing 1/8" European birch plywood. The 4'x4' multilayered aircraft birch is very strong (but heavy). do a 18 to 1 scarf on it with epoxy, (don't squeeze it to hard when clamping . The scarf will be stronger than any other part of the sheet.Make the scarf 2" wide. Harold Woods Orillia,ON. Can. haroldwo...@rogers.com