Aircraft Specifications
Key spec and performance numbers for the three Thatcher designs …
Performance
CX-4 (at 750 lb / 340 kg with 1700cc Engine) | CX-5 | CX-7 | ||||
Cruise (75% Power) | 125 mph | 201 km/h | 120 mph | 193 km/h | 126 mph | 203 km/h |
Stall (Vso) | 40 mph | 64 km/h | 42 mph | 67.6 km/h | 42 mph | 67.6 km/h |
Rate of Climb (Vy) | 850 fpm at 75 mph | 4.3 m/s at 120 km/h | 1000 fpm at 75 mph | 5.08 m/s at 120 km/h | 1000 fpm at 75 mph | 5.08 m/s at 120 km/h |
Never Exceed Speed (Vne) | 155 mph | 249.4 km/h | 155 mph | 249.4 km/h | 155 mph | 249.4 km/h |
Best Glide Speed | 63 mph | 101 km/h | 65 mph | 105 km/h | 65 mph | 105 km/h |
Best Angle of Climb (Vx) | 63 mph | 101 km/h | 65 mph | 105 km/h | 65 mph | 105 km/h |
Take-Off Roll | 700 ft | 213 m | 700 ft | 213 m | 700 ft | 213 m |
Max. Ceiling | 10,000 ft | 3048 m | 10,000 ft | 3048 m | 10,000 ft | 3048 m |
Specifications
CX-4 | CX-5 | CX-7 | ||||
Single seater | Tandem 2-seater | Side-by-side 2-seater | ||||
Length | 18' 3" | 5.56 m | 20.5' | 6.25 m | 20' 8" | 6.3 m |
Wing Span | 24' | 7.32 m | 28' | 8.5 m | 28' 9" | 8.76 m |
Height | 4' 8" | 1.42 m | 7' 2" | 2.2 m | 7' 2" | 2.2 m |
Cabin Width | 23" | 58 cm | 28" | 71 cm | 42" | 107 cm |
Wing Area | 84.4 sq ft | 7.841 m² | 126 sq ft | 11.7 m² | 126 sq ft | 11.7 m² |
Wing Loading | 10 lbs / sq ft | 48.82 kg/m² | 10 lbs / sq ft | 48.82kg/m² | 10 lbs / sq ft | 48.82kg/m² |
Empty Weight | 560 lbs | 254 kg | 721 lbs | 327 kg | 721 lbs | 327 kg |
Gross Weight | 850 lbs | 385 kg | 1320 lbs | 599 kg | 1320 lbs | 599 kg |
Useful Load | 290 lbs | 131.5 kg | 599 lbs | 272 kg | 599 lbs | 272 kg |
Design Load | 3.8 Gs | 3.8 Gs | 3.8 Gs | |||
Fuel (92 Octane Auto) | 10.5 Gal | 39.7 L | 20.0 Gal | 77.6 L | 20.0 Gal | 77.6 L |
CX-4 | CX-5 | CX-7 | |
Engine | 1700cc VW 55 Hp | Revmaster R2300 | Revmaster R2300 |
(Optional: 1835cc through 2180cc) | 85 Hp | 85 Hp | |
Propeller | 54/38 | 56/48 Combo 54/50 Cruise | 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 | Aircraft may be flown with canopy off, but not open. | Side-opening canopy | At 42" the cabin is wider than a Cessna 172! |
The wings are removable for transport in approx 20 minutes | Fuel tanks - 2 (10 gal. in each wing) | ||
Weight & balance data: | |||
Solo (front) with min fuel (2 gal) - Max 250 lbs | |||
Dual with full fuel and 20 lbs baggage: | |||
Min pilot (front) - 180 lbs |
| ||
Max passenger - 240 lbs |
| ||