Messerschmitt M.20b
The completed airframe ready for painting and detailing. An advantage of a cardboard model (above left) is that it can be built using large folded sections with no open areas to cover. The bottom of the airfoil is flat with a curved upper surface (above right). The wing has no dihedral. The simple boxy shape of the fuselage makes it an easy airplane to model using cardboard, while still giving
good scale appearance. Letters, insignia and logos were generated using an ink jet printer and Avery clear stick-back label paper. Windows are light blue outlined in black (below left). The cutout in the cowl for the engine head provides the exit for the cooling air (below right). Note also the large slot in the side of the cowl for the tongue muffler exhaust. The 4-bladed prop is for display only.
The cowl is made from 1⁄2-inch balsa sheet built up and carved to shape. The removable cowl (above left) has a 1⁄8-inch ply back which attaches to blind nuts in the rear of the engine 1⁄4-inch ply firewall FW. The large highly tapered wing with curved balsa wing tips are a unique feature of the model (above center).
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The one-piece elevator control horn and pushrod (above right). The tail gear strut is bent to shape from 3⁄32-inch wire, laid on its 1⁄8 ply mounting plate, wrapped with nylon thread and smeared with glue and glued into the fuselage cutout. Chuck hinged the elevator in four places with flex hinges.
DECEMBER 2013
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