AK1-3 Sanka Photo Gallery

The AK1-3 Sanka was designed to comply with the Ukrainian AP-27 rules, which are similar to the European Aviation Safety Agency CS-27 standard. The aircraft features a single main rotor with a tail rotor, a two-seats-in side-by-side configuration enclosed cockpit, skid-type landing gear and a four-cylinder, air-cooled, four-stroke, 156 hp (116 kW) Subaru EJ25 automotive engine.

The aircraft's 6.84 m (22.4 ft) diameter three-bladed Starflex rotor has a chord of 15 cm (5.9 in) and employs a unique torision bar blade mounting that allows blade movement to produce pitch angle changes, flapping, as well as lead and lag. The main transmission consists of belt drives, with the tail rotor driven by a solid shaft. The aircraft has an empty weight of 838 lb and a gross weight of 1,433 lb, giving a useful load of 595 lb. With full fuel of 16 imp gal; 20 US gal the payload is 476 lb that includes what they do, how long they’ve been at it, and what got them to where they are.