DETAILS, FICTION AND MOZZ GUARD

Spruce and plywood ribs had been linked with gusset joints. Some weighty-duty ribs contained parts of ash and walnut, in addition to the Specific five ply that incorporated veneers laid up at 45°. The higher skin development was in two layers of 0.twenty five-in 5-ply birch, divided by Douglas fir stringers functioning from the span-wise path.[82]