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Pik-28 aircraft

This aircraft has two basic characteristics; it is easy to built and fun to fly.

 

General:

Single seat low wing monoplane.

Fixed conventional landing gear, or tailwheel-type landing gear.

Single piece wing, with split flap langing flap.

One tractor engine.

Fuel tanks in wing leading edge.

maximum takeoff weight selectable during building, 499 - 600 kg.


Engine:

Piston engine: Continental A65, O-200D/AF, Rotax 912, UL260. Power range: 65 - 107 hp.


Structure

Fuselageo:

Semi- monocoque structure: plywood sandwich formers and bulkheads, longitudinal laminated wood longerons in corners, plywood skin. Frames are manufactured using water-jet cutter.

Wing:

Semi- monocoque structure: plywood sandwich frames, carbon/wood spars/webs, plywood skin. Frames are manufactured using water-jet cutter. Wing can be removed.

Fuel tank in cold laminated plywood leading edge.

100% mass balanced ailerons, frames plywood sandwich, laminated wood stringers. Fabric covered.

Horizontal tail:

Semi-monocoque structure stabilizer: plywood sandwich frames, longitudinal laminated wood stringers in corners, plywood skin. 100% mass balanced elevator, frames plywood sandwich, laminated wood stringers. Fabric covered. Horizontal stabilizer is removable.

Vertical tail:

Semi-monocoque structure stabilizer: plywood sandwich frames, longitudinal laminated wood stringers in corners, plywood skin. 100% mass balanced rudder, frames plywood sandwich, laminated wood stringers. Fabric covered. Vertical stabilizer is part of fuselage.


Cockpit:

Istuin

Fixed seat with tree fixing positions (fore/aft) attachment for FIA approved "car race-seat". Four or five point seat belts. Seat and belts are fixed to safety cage, which forms strong structure for central part of fuselage.

Control stick

Control stick is without adjustments. Cable control for elevator and ailerons.

Rudder pedals

Adjustable longitudinal position. Toe brakes for main wheels. Cable control to rudder.

Canopy

Two styles to choose from. A single piece which is hinger to open too side. A two piece design with fixed windscreen and sliding (to back) canopy.


Bought in parts

Structure is designed to incorporate ready bought in parts in evety feasible location.

Obvious

Every homebuilt have these bought in components. Probably not even undertood to be ase ready bought in parts or semi products. Like: engine, propeller, sheet material, screws, bolts, nuts, cables, insturments, safety belts, paints, wheels, rims, tail wheel.

Not so obvious

Fuel tank, seat, landing gear spring.


Performance:

Estimated values with fuel tand volume of 116 liters.

Continental A65

Top level speed 237 km/h (128 kts). At 75% power setting 212 km/h (114 kts). Endurance about 7,7 hours, still air range 1630 km (880 nm).

Continental O-200D

Top level speed 277 km/h (150 kts). At 75% power setting 251 km/h (136 kts). Endurance about 4,5 hours, still air range 1132 km (611 nm).

Rotax 912 UL (80 p)

Top level speed 256 km/h (138 kts). At 75% power setting 230 km/h (124 kts). Endurance about 6,8 hours, still air range 1560 km (842 nm).

Rotax 912 ULS (100 p)

Top level speed 275 km/h (148 kts). At 75% power setting 249 km/h (134 kts). Endurance about 5,3 hours, still air range 1310 km (707 nm).

UL 260i (97 p)

Top level speed 274 km/h (148 kts). At 75% power setting 247 km/h (133 kts). Endurance about 5,6 hours, still air range 1390 km (751 nm).

UL 260 iS (107 p)

Top level speed 283 km/h (153 kts). At 75% power setting 256 km/h (138 kts). Endurance about 5,4 hours, still air range 1380 km (845 nm).