Dave's CX4 In The Air



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Performance Data       CX4 Load Test Photo's       CX5 Load Test Photo's
 
Specifications
 
Length 18' 3"  5.56 m 20.5' 6.25 m
Wing Span 24' 7.32 m 28' 8.5 m
Height 4' 8" 1.42 m 7' 2" 2.2 m
Cabin Width 23" cm 28" 71 cm
Wing Area 84.4 sq ft 7.841 mē 126 sq ft 11.7 mē
Wing Loading 10 lbs / sq ft 4.54 kg / 0.09 10 lbs / 0.09 4.54 kg / 0.09
Empty Weight 560 lbs 254 kg 721 lbs 327 kg
Gross Weight 850 lbs 385 kg 1320 lbs 599 kg
Useful Load 290 lbs 131.5 kg 599 lbs 272 kg
Design Load 3.8 G's 3.8 G's
Fuel (92 Octane Auto) 10.5 Gal 39.7 L 20.0 Gal 77.6 L
Engine 1700cc VW 55 Hp
(Optional: 1835cc through 2180cc)
Revmaster R2300
85 Hp
Propeller 54/38 56/48 Combo
54/50 Cruise
Electrical System Starter, Alternator
Brakes Hydraulic Disc/Toe Brakes
Airframe Construction 6061-T6 Aluminum - Airframe
Fiberglass - Cowl, wing tips & wheel pants
Notes
  • The "Wide & Tall" version began
    with plans number 102.

  • Aircraft may be flown with canopy off, but not open.

  • The wings are removable for transport in ~20 minutes.

  • Side-opening canopy

  • Fuel tanks - wing mounted.

Performance
 
(at 750 lb / 340 kg with 1700cc Engine)
 
Cruise (75% Power) 125 mph  201 km/h 120 mph 193 km/h
Stall (Vso) 40 mph 64 km/h 42 mph 67.6  km/h
Rate of Climb (Vy) 850 fpm at 75 mph  259 m/min at 120 km/h 1000 fpm at 75 mph 305 m/min at 120 km/h
Never Exceed Speed (Vne) 155 mph  km/h 155 mph  249.4 km/h
Best Decent Speed 63 mph 101 km/h 65 mph 105 km/h
Best Angle of Climb (Vx) 63 mph 101 km/h 65 mph 105 km/h
Take-Off Roll 700 ft 213 m 700 ft 213 m
Max. Ceiling 10,000 ft 3048 m 10,000 ft 3048 m
CX4 Load Test Photo's
 

    

3.8G Load Test - CX4

    

5.7G Load Test - CX4

    

         Fin Load Test - CX4                                       Stabilizer Load Test - CX4

 

CX5 Load Test Photo's
 



Load Test Setup - CX5



3.7G Load Test - CX5


5.7G Load Test - CX5