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CA-65 TWO-SEAT LIGHT AIRCRAFT  

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  CVJETKOVIC CA-61 SINGLE-SEAT LIGHT AIRCRAFT

 

The CA-61 can be built as a single-seat light aircraft, with any continental engine of between 65 and 85 HP. Alternatively, the single-seater can be fitted with a modified Volkswagen engine. Construction takes less than 1000 hours.
The following details refer specifically to the single-seat prototype.
Type: Single-seat light aircraft.
Wings: Cantilever low-wing monoplane. Wing section NACA 4415. Aspect ratio 6. Constant chord of 4 ft 7 in (1.40 m). Dihedral 3º. No incidence. Structure consists of two spruce spars, each built in one piece, built-up spruce girder-type ribs and plywood-covered leading-edge torsion box, with fabric covering overall. Fabric-covered spruce ailerons. No flaps.
Fuselage: Conventional wooden structure of basic square section, plywood covered.
Tail Unit: Cantilever wooden structure, covered with plywood. Fixed incidence tailplane. Trim-tab in elevator.
Landing Gear: Non-retractable tail-wheel type. Cantilever main legs, with helical spring shock-absorption. Goodyear main wheels and tires, size 5.00 X 5 Type III and Model L5 brakes. Steerable tail-wheel.
Power Plant: One 65 HP Continental A65 four-cylinder horizontally-opposed air-cooled engine, driving a Flottorp 63-55 two-blade fixed-pitch propeller. Fuel in two steel tanks in fuselage, with capacities of 12 US gallons and 5 US gallons respectively. Total fuel capacity 17 US gallons (64 litres). Oil capacity 1¼ US gallons ( 4.5 litres).
Accommodation: Single seat in open cockpit.
Electronics and Equipment: Prototype fitted with Nova Star radio and omni.
 
Dimensions, External:  
  Wing span 27 ft 6 in (8.38 m)
  Length overall 18 ft 11 in (5.77 m)
  Height overall (in flying position) 6 ft 10 in (2.08 m)
  Wheel track: 8 ft 2 in (2.49 m)
Area:  
  Wings, gross 126.5 sq ft (11.75 m²)
Weights and Loadings:  
  Weight empty: 600 lb (275 kg)
  Max T-O weight 950 lb (430 kg)
  Max wing loading 7.5lb/sq ft (36.6 kg/m²)
Performance:  
  Max level speed at S/L 120 mph (193 kmh)
  Normal cruising speed 100 mph ( 161 kmh)
  Min flying speed 42 mph (67.5 kmh)
  Range with max fuel 425 miles (685 km)