Percival Prentice

1st Flight 1946

The Percival Prentice was a basic trainer of the Royal Air Force in the early postwar period.

It is a low-wing monoplane with a fixed tail wheel undercarriage.

Front seating was in a side-by-side configuration with a rear seat provided.

Variants

Prentice T.1

Standard three seat trainer for the Royal Air Force and export models.

251 hp (187 kW) de Havilland Gipsy Queen 32 engine.

Prentice T.2

Fitted with a supercharged 296 hp (221 kW) Gipsy Queen 51.

Prentice T.3

Fitted with a 345 hp (257 kW) Gipsy Queen 70-2.

Specifications

T.1 – Gipsy Queen 51

Crew

2-3

Length

31 ft 3 in (9.53 m)

Wingspan

46 ft 0 in (14.02 m)

Height

12 ft 10.5 in (3.924 m) with tail in rigging position

Aspect ratio

6.94

Airfoil

RAF 48

Empty weight

2,891 lb (1,311 kg)

Gross weight

3,860 lb (1,751 kg)

Fuel capacity

40 imp gal (48 US gal; 182 l) fuel in two wing tanks, 4.9 imp gal (6 US gal; 22 l) oil

Powerplant

1 × de Havilland Gipsy Queen 51 6-cylinder air-cooled inverted in-line piston engine, 296 hp (221 kW) supercharged

or

251 hp (187 kW) de Havilland Gipsy Queen 32 un-supercharged engine

Propellers

2-bladed de Havilland constant-speed propeller

Performance

Maximum speed

171 mph (275 km/h, 149 kn) at 6,800 ft (2,073 m)

153 mph (133 kn; 246 km/h) at sea level

Cruise speed

 160 mph (260 km/h, 140 kn) at 5,400 ft (1,646 m) maximum continuous

147 mph (128 kn; 237 km/h) at sea level maximum continuous

154 mph (134 kn; 248 km/h) at 12,200 ft (3,719 m) maximum economic

129 mph (112 kn; 208 km/h) at sea level maximum economic

Stall speed: 62.4 mph (100.4 km/h, 54.2 kn) flaps up

51 mph (44 kn; 82 km/h) flaps down

Range

505 mi (813 km, 439 nmi) at sea level maximum economic

517 mph (449 kn; 832 km/h) at 12,200 ft (3,719 m) maximum economic

Endurance

3 hours 55 minutes maximum economic at sea level, 3 hours 43 minutes 139 mph (121 kn; 224 km/h) at 5,000 ft (1,524 m)

Service ceiling

19,000 ft (5,800 m)

Rate of climb

1,070 ft/min (5.4 m/s) initial

960 ft/min (4.88 m/s) at 5,000 ft (1,524 m)

Wing loading

12.65 lb/sq ft (61.8 kg/m2)

Power/mass

0.0769 hp/lb (0.1264 kW / kg).

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