COSY CLASSIC

The prototype of the original Cozy flew for the first time on 19 July 1982. Uli and Linda Wolter built and flew the first plans-built Cozy on 19 July 1985. The new Classic has a wider fuselage to provide more shoulder room, a larger canopy with more headroom, new turtleback with improved streamlining. R 1145 rain canard as standard equipment, and the options of a fixed pitch or constant speed/variable pitch propeller.
The following modified details refer to the new Classic.

TYPE: Two/three-seat sporting homebuilt.

AIRFRAME: Wing and foreplane structures of unidirectional glassfibre with rigid styrofoam core. Modified Eppler wing section; foreplane has Roncz section. Composite fuselage comprising sheets of PVC foam, with wood strips as corner fillers, in a sandwich using internal and external covering of unidirectional glassfibre. Light alloy or steel extrusions used for engine mount. Tricycle landing gear, with retractable nosewheel.

POWER PLANT: One 112-119 kW (150-160 hp) Textron Lycoming O-320 or IO-320 engine. Fuel capacity 196 litres (51.8 US gallons; 43 Imp gallons).

DIMENSIONS, EXTERNAL:

  • Wing span: 7.96 m (26 ft 1¼ in)
  • Length overall: 5.12 m (16 ft 9½ in)
  • Height overall: 2.30 m (7 ft 6½ in)
  • Propeller diameter: 1.60 or 1.62 m (5 ft 3 in or 5 ft 3¾ in)

AREA:

  • Wings, gross: 8.88 m² (95.6 sq ft)

WEIGHTS:

  • Weight empty, basic: 410 kg (904 lb)
  • Max front seat load: 160 kg (352 lb)
  • Max T-O weight: 800 kg (1,763 lb)

PERFORMANCE:

  • Max level speed at S/L: 165 knots (306 km/h; 190 mph)
  • Cruising speed (75% power) at 2,440 m (8,000 ft): 162 knots (300 km/h; 186 mph)
  • Econ cruising speed at 3,660 m (12,000 ft): 124 knots (230 km/h; 143 mph)
  • Stalling speed: 53 knots (97 km/h; 60 mph)
  • Max rate of climb at S/L: solo: 457 m (1,500 ft)/min
    • dual: 305 m (1,000 ft)/min
  • Service ceiling: solo: 7,620 m (25,000 ft)
    • dual: 6,100 m (20,000 ft)
  • T-O run: solo: 250 m (821 ft)
    • dual: 450 m (1,477 ft)
  • Landing run: solo: 300 m (985 ft)
    • dual: 450 m (1,477 ft)
  • Range, 45 min reserves:
    • at 45% power: 1,025 nm (1,900 km; 1,180 miles)
    • at 75% power: 863 nm (1,600 km; 994 miles)

The article appears in the following publication:
Jane's All the World's Aircraft 1991-92. Jane's Information Group Ltd. 1991. ISBN: 0-7106-0965-5

***