Boulton & Paul P.71A Aircraft



Production Details

Design Company:

Boulton & Paul Ltd, Norwich

First Flight:

19 September 1934

P.71A:

2 - Boulton & Paul

Type Specification

Applies to:

Boulton & Paul P.71A

Type:

High-speed airliner developed from P.64 Mail-Carrier for Imperial Airways

Wing:

Two bay biplane with egual span, staggered, unswept wings of steel spar, duralumin rib structure with fabric covering. Ailerons on all four wings

Fuselage:

Fuselage fills interplane gap and is of rectangular section. Steel and duralumin structure with fabric covering

Tail Unit:

Braced tailplane with single fin and twin rudders near the tailplane tip.

Landing Gear:

Main gear mounted close to lower wing in fairings. Tail wheel

Power Plant:

Two 490 hp Armstrong Siddeley Jaguar VIA engines in nacelles on the upper wing driving two bladed propellers

Accommodation:

Enclosed cockpit for pilot and navigator or radio operator seated side by side with passenger cabin for seven between the wings

Dimensions

Span:

54 ft 1 in

Length:

44 ft 2 in

Height:

15 ft 2 in

Wing Area:

718 sq ft

Weights

Empty:

6,700 lb

Loaded:

9,500 lb

Performance

Max Speed:

195 mph

Climb:

4.5 min to 4,500 ft

Service Ceiling:

4,500 ft on one engine

Range:

600 miles

Preserved in British Museums

None known

Web Sites

http://www.imperial-airways.com/Boulton_paul_p71a.html