Fuel tank
The aircraft used 4-cylinder air-cooled straight engine de Havilland Gipsy I in front, 85/95 hp nominal/take-off power, later replaced with de Havilland Gipsy III, 120 hp, with two-blade wooden propeller of a fixed pitch. Fuel tank (170 L capacity) is placed in a central wing section (normal amount of fuel - 90 L). Fuel consumption rate is 25 L/hour (Gipsy I) or 28 L/hour (Gipsy III).