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Ultralight Flight Phantom
Phantom Aircraft Phantom XI
Phantom Aircraft Phantom X2

 

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Phantom X-1


Designed by John Dempsey, the Phantom is a single-seat single-engined high-wing monoplane with conventional three-axis control. Wing has unswept leading and trailing edges, and constant chord; cruciform tail. Pitch control by elevator on tail; yaw control by fin-mounted rudder; roll control by full-span ailerons; control inputs through stick for pitch/roll and pedals for yaw. Wing braced from above by kingpost and cables, from below by cables; wing profile; double-surface. Undercarriage has three wheels in tricycle formation with tailskid; bungee suspension on all wheels. Push-right go-right nosewheel steering connected to yaw control. Optional brakes on main wheels. Aluminium-tube framework, with pod. Engine mounted above wing driving tractor propeller.

Conceived under the direction of John Dempsey, the Phantom copied in 1982 the exploits of the Mirage in the previous year at Sun 'n' Fun where it carried off the prize for the most outstanding aircraft.

The Phantom is capable of a rate of roll, going from 45 degrees bank to 45 degrees bank the other way in 1.5 s. The wing has been tested as far as + 9.9 and - 6.6 g ultimate with the aircraft at a gross of 420 lb (190kg) which would give a flight envelope of +6.6 and -4.4g. These tests were done with 3/32 inch (2.4 mm) cables which on the production aircraft have been increased to 1/8 inch (3.2 mm).

The aircraft is delivered as a kit requiring 35 h for finishing at a price of $5995 in 1983. Options include principally, floats, wheel fairings, an instrument panel and, as with the Mirage MkII, the Cuyuna 430RL engine, since the Phantom is fitted with the Kawasaki TA440A as standard in the United States.

For Europe, the Skyriders company in Britain fits a Robin engine and a larger fuel tank and, since the aircraft thus modified has different performance characteristics etc.

Later marketed as the Phantom Sport Airplane Corp Phantom X1 and X2. The X2 being a two seat adaptation of the X1.

 

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Phantom
Engine: Kawasaki TA440A, 38.5hp at 6000rpm
Propeller diameter and pitch 58x27 inch, 1.47x0.69m
V-belt reduction, ratio 2.4/1
Max static thrust 210 lb, 95 kg
Power per unit area 0.27 hp/sq.ft, 2.9 hp/sq.m
Fuel capacity 3.7 US gal, 3.1 Imp gal, 14.0 litre
Length overall 16.5 ft, 5.02 m
Height overall 8.8ft, 2.69m
Wing span 28.5ft, 8.68m
Constant chord 5.0 ft, 1.52m
Dihedral 2 deg
Sweepback 0 deg
Tailplane span 7.9 ft, 2.40 m
Fin height 5.0ft, 1.52m
Total wing area 142 sq.ft, 13.2 sq.m
Total aileron area 19.8 sq.ft, 1.84 sq.m
Fin area 5.8 sq.ft, 0.54 sq.m
Rudder area 8.6 sq.ft, 0.80 sq.m
Tailplane area 11.8 sq.ft, 1.10 sq.m
Total elevator area 9.8 sq.ft, 0.91 sq.m
Wing aspect ratio 5.7/1
Wheel track 3.4 ft, 1.05m
Wheelbase 3.7ft, 1.14m
Nosewheel diameter overall 10 inch, 25 cm
Main wheels diameter overall 10 inch, 25 cm
Empty weight 250 lb, 113kg
Max take-off weight 510 lb, 231kg
Payload 260 lb, 118kg
Max wing loading 3.59 lb/sq.ft, 17.5 kg/sq.m
Max power loading 13.8 lb/hp, 6.0kg/hp
Load factors +6.6, -4.4 design; >+9.9, >-6.6 ultimate
Max level speed 61 mph, 98 kph
Never exceed speed 100 mph, 161 kph
Max cruising speed 50 mph, 80 kph
Economic cruising speed 40 mph, 64 kph
Stalling speed 26 mph, 42 kph
Max climb rate at sea level 800 ft/min, 4.1 m/s
Min sink rate 490 ft/min at 35 mph, 2.5 m/s at 56 kph
Best glide ratio with power off 7/1 at 38 mph, 61 kph
Take-off distance 100 ft, 30 m
Land-ing distance 100ft, 30m
Service ceiling 14,500 ft, 4420 m
Range at average cruising speed 130 mile, 209 km

X1
Speed max: 61 mph
Cruise: 55 mph
Stall: 26 mph
ROC: 800 fpm
Take-off dist: 100 ft
Landing dist: 150 ft
Service ceiling: 14,500 ft
Engine: Rotax 447, 40 hp
HP range: 40-70
Fuel cap: 5 USG
Weight empty: 250 lbs
Gross: 510 lbs
Height: 8.17 ft
Length: 16.75 ft
Wing span: 28.5 ft
Wing area: 142 sq.ft
Seats: 1
Landing gear: nose wheel
Cruise on 40hp: 65 mph

Phantom Aircraft Phantom XI

Engine: Rotax 447, 40 hp
HP range: 40-70
Top speed: 61 mph
Cruise: 55 mph
Stall: 26 mph
Rate of climb: 800 fpm
Takeoff dist: 100 ft
Landing dist: 150 ft
Service ceiling: 14,500 ft
Fuel capacity: 5 USG
Empty weight: 250 lb
Gross weight: 510 lb
Height: 8.2 ft
Length: 16.8 ft
Wing span: 28.5 ft
Wing area: 142 sq.ft
Seats: 1
Landing gear: nosewheel

X2
Speed max: 75 mph
Cruise: 68 mph
Range: 175 sm
Stall: 30 mph
ROC: 650 fpm
Take-off dist: 265 ft
Landing dist: 300 ft
Service ceiling: 14,500 ft
Engine: Rotax 503DC, 55 hp
HP range: 53-100
Fuel cap: 10 USG
Weight empty: 475 lbs
Gross: 975 lbs
Height: 8.42 ft
Length: 17 ft
Wing span: 30 ft
Wing area: 160 sq.ft
Seats: 2
Landing gear: nose wheel

Phantom Aircraft Phantom X2

Engine: Rotax 503 DC, 52 hp
HP range: 53-100
Top speed: 75 mph
Cruise: 68 mph
Stall: 30 mph
Range: 175 sm
Rate of climb: 650 fpm
Takeoff dist: 265 ft
Landing dist: 300 ft
Service ceiling: 14,500 ft
Fuel capacity: 10 USG
Empty weight: 950 lb
Gross weight: 425 lb
Height: 8.4 ft
Length: 17 ft
Wing span: 30 ft
Wing area: 160 sq.ft
Seats: 2
Landing gear: nosewheel

 

 


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