PZL M-24 Dromader Super

M-24 Dromader Super
Role	Agricultural aircraft
National origin	Poland
Manufacturer	WSK-Mielec
First flight	July 20, 1987
Status	Prototype
Number built	4 prototypes
Developed from	PZL-Mielec M-18 Dromader

The PZL M-24 Dromader Super (a.k.a. Super Dromedary) is a single engine agricultural aircraft, developed in the 1980s by the WSK-Mielec (later PZL-Mielec) from the PZL-Mielec M-18 Dromader. It remained a prototype.

Development

The plane was developed as a bigger and more capable variant of the successful agricultural plane PZL-Mielec M-18 Dromader. Some components of the M-18 were used it its construction, but it is generally bigger and stronger, with a more powerful engine. The wings were fitted with a new central section of a larger span.

The first prototype of the M-24 flew on July 20, 1987, and was powered with a 736 kW (987 hp) Shvetsov ASh-62IR radial engine. The second prototype, designated M-24B, was powered by the Polish-designed 890 kW (1,200 hp) PZL-Kalisz K-9AA radial engine and first flew in 1988. The third prototype, M-24T, was powered by the Pratt & Whitney PT6A-45AG turboprop engine. Four prototypes were built, but the type did not enter production.

The experience with the M-24 was utilised in creating the M-18B variant of the M-18, powered with the PZL K-9 engine, first flown in 1993.

Design

The aircraft is a metal low-wing cantilever monoplane, conventional in layout. It has a monocoque fuselage, covered with duralumin. The wings are of three parts, fitted with flaps and slats. There is a two-seat cabin (pilot and optional passenger or mechanic, in tandem), placed high. The single radial engine has a four blade propeller. Behind the engine is an internal 2,700-litre (590 imp gal; 710 US gal) tank for chemicals or water. A fuel tank holds 1,400 litres (310 imp gal; 370 US gal).

The plane has exchangeable sets of equipment for spraying, cropdusting or fire extinguishing. It has conventional fixed landing gear with a tail wheel.

Specifications (M-24B)

Data from Jane's all the World's Aircraft 1989–90[1]

General characteristics

Crew: 1, pilot
Capacity: 1 passenger and 2,700 l (710 US gal; 590 imp gal) / 2,000 kg (4,400 lb) of chemicals
Length: 10.8 m (35 ft 5 in)
Wingspan: 19.9 m (65 ft 3 in)
Height: 4.3 m (14 ft 1 in) in rigging position

3.78 m (12.4 ft) tail down

Wing area: 45 m² (480 sq ft)
Aspect ratio: 8.8
Empty weight: 2,870 kg (6,327 lb)
Max takeoff weight: 5,000 kg (11,023 lb) and Max landing weight

5,500 kg (12,100 lb) (restricted)

Powerplant: 1 × PZL ASz-62IR 9-cylinder air-cooled radial piston engine, 750 kW (1,000 hp)
Propellers: 4-bladed PZL constant-speed propeller

Performance

Cruise speed: 220 km/h (140 mph, 120 kn)
Stall speed: 110 km/h (68 mph, 59 kn) flaps down
Service ceiling: 4,000 m (13,000 ft)
g limits: +3.5 -1.4
Rate of climb: 5 m/s (980 ft/min) clean

3 m/s (590 ft/min) with agricultural equipment

Wing loading: 111.1 kg/m² (22.8 lb/sq ft) (normal)

122.2 kg/m² (25.0 lb/sq ft) (restricted)

Power/mass: 0.149 kW/kg (0.091 hp/lb) (normal)

0.1355 kW/kg (0.0824 hp/lb) (restricted)

Take-off to 50 m (160 ft): 340 m (1,120 ft)
Landing from 50 m (160 ft): 470 m (1,540 ft)

References

Taylor, John W.R., ed. (1989). Jane's all the World's Aircraft 1989–90 (80th ed.). London: Jane's Information Group. pp. 198–199. ISBN 978-0710608963.

External links

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[JAWA89-90-1] Taylor, John W.R., ed. (1989). Jane's all the World's Aircraft 1989–90 (80th ed.). London: Jane's Information Group. pp. 198–199. ISBN 978-0710608963.