Model Airways Dr.1 Fokker Tri-plane wood 1:16 On Sale by Model Expo Over 250 laser cut basswood and aircraft quality plywood parts for wings & fuselage&lt; Over 80 Britannia metal parts for building the Oberursel rotary engine, complete with cylinders and magneto and other cast parts An authentic 9 cylinder Oberursel UP II rotary engine, comprised of over 33 highly detailed Britannia metal parts, is a marvel of miniature design with carburetor, oil pump, spark plugs and valve springs. Six sheets of blueprint quality plans and a 54 page illustrated instruction manual pave the way to a museum quality masterpiece.