Boulton & Paul P.82 Defiant Mark I
| GENERAL DATA | |||
| Other Designation(s) | - |
||
| Type | Two-seat
fighter, night fighter, trainer, target tug |
Crew | 2 (pilot, gunner) |
| Manufacturer(s) | Boulton Paul
Aircraft |
||
| Production | 1064 |
||
| First Flight | 11 August 1937 |
Introduction | December 1939 |
| Variants | |||
| Defiant Mk.I | Two-seat turret fighter for the RAF, powered by a 1030 hp Rolls-Royce Merlin III piston engine; 723 built. | ||
| Defiant NF.Mk.I | Defiant Mk I converted into night fighters | ||
| Defiant NF.Mk.IA | NF Mk I with Airborne Interception radar. | ||
| Defiant ASR.Mk.I | Mk I carrying air-dropped dinghies for air-sea rescue. | ||
| Defiant TT.Mk.I | Defiant Mk IIs converted to target tugs; 150 conversions. | ||
| Defiant Mk.II | Two-seat night fighter for the RAF, powered by a 1280 hp Rolls-Royce Merlin XX piston engine, and fitted with the AI Mk IV airborne interception radar; 210 built. | ||
| Defiant TT.Mk.III | Dedicated turret-less target tug; 140 built from new. | ||
| DIMENSIONS | |||
| Length | 10.77 m |
Empty Weight | 2757 kg |
| Wingspan | 11.99 m |
Loaded Weight | 3773 kg |
| Height | 3.45 m |
Max takeoff weight | 3901 kg |
| Wing area | 23 m² |
Wing loading | 162.44 kg/m² |
| ARMAMENT | |||
| Main Guns | 4 × 0.303 in (7.7 mm) Browning
* |
Ammunition Carried | 4 x 600 |
| Secondary Guns | - |
Ammunition Carried | - |
- |
- |
||
| Other Armament | none or Radar AI Mk.4 ou Mk.6 |
||
(*) in hydraulically powered dorsal turret.
| POWERPLANT | |||
| Engine | 1 × Rolls-Royce Merlin III |
Type & Displacement | liquid-cooled V12 piston, 27 L |
| Horsepower (maximum) | 1030
hp |
Power/Weight Ratio | 272.99 hp / ton * |
| Fuel Capacity | 472.79 L
|
||
(*) for loaded weight
| PERFORMANCES | |||
| Maximum Speed | 489 km/h at 5200 m |
Cruise Speed | 282 km/h at 4600 m |
| Stall Speed * | ? m |
Service Ceiling | 9400 m |
| Rate of Climb | 9.65 m/s |
Range | 748 km |
(*) vitesse de décrochage
| Sources | |||
| Wikipédia | valka.cz | ||
Drawings |
