These last two are models of the construction out of birch plywood. The skin is about an eighth of an inch thick, made of 9 plies of very thin birch layers. The wing span is 20 feet longer than a football field. It is made of 95% wood. A man can walk upright in the wings, and thus service the engines while the plane was flying.
A Romantic Christmas at the Ashworth Cottage
2 months ago