Type: Reciprocating, Horizontally-opposed, 4 cylinders, Air-cooled Power rating: 45 kW (60 hp) at 2,350 rpm Displacement: 2.8 L (171 cu in) Bore and Stroke: 98 mm (3.875 in.) x 92 mm (3.625 in.) ...

Otto Lilienthal compiled and published a table of coefficients of lift and drag for the airfoil shape he used on his gliders. The table became quite well known and was the starting point for ...