Miles M.33 Monitor

The M.33 Monitor was a twin-engine British target tug aircraft designed and built by Miles Aircraft towards the end of the Second World War.

Intended for use by the Royal Air Force and the Fleet Air Arm, the aircraft did not enter service with either.

Variants

Monitor TT Mk I

Prototype target tug for the Royal Air Force, one built.

Monitor TT Mk II

Target tug for the Fleet Air Arm, one prototype and 20 production aircraft.

Specifications

Crew

2

Length

47 ft 8 in (14.53 m)

Wingspan

56 ft 3 in (17.15 m)

Height

14 ft 3 in (4.34 m)

Wing area

500 sq ft (46 m2)

Aspect ratio

6.3

Airfoil

Root

NACA 23021

Tip

NACA 2412

Empty weight

15,850 lb (7,189 kg)

Gross weight

21,075 lb (9,559 kg)

Fuel capacity

480 imp gal (576 US gal; 2,182 l) fuel ; 32 imp gal (38 US gal; 145 l) oil

Powerplant

2 × Wright R-2600-31 Twin Cyclone 14-cylinder air-cooled radial piston engines, 1,700 hp (1,300 kW) each

Propellers

3-bladed constant-speed propellers

Performance

Maximum speed

330 mph (530 km/h, 290 kn) at 15,000 ft (4,572 m)

Cruise speed

265 mph (426 km/h, 230 kn) at 15,000 ft (4,572 m)

Range

2,750 mi (4,430 km, 2,390 nmi)

Service ceiling

29,000 ft (8,800 m)

Rate of climb

2,480 ft/min (12.6 m/s)

Time to altitude

15,000 ft (4,572 m) in 6 minutes 24 seconds

20,000 ft (6,096 m) in 10 minutes 6 seconds

Wing loading

42.1 lb/sq ft (206 kg/m2)

Power/mass

0.161 hp/lb (0.265 kW/kg)

Take-off run

1,035 ft (315 m)

Take-off distance to 50 ft (15 m)

2,430 ft (741 m).

 

 

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