Westland IV

Westland IV

Infobox Aircraft
name = IV/Wessex


caption =
type = Light Transport Aircraft
national origin = United Kingdom
manufacturer = Westland Aircraft
designer =
first flight = 22 February, 1929
introduction =
retired =
status =
primary user = Sabena
more users =
produced =
number built = 10
program cost =
unit cost =
developed from =
variants with their own articles =
The Westland IV and Westland Wessex were high wing, three-engined light transport aircraft built by Westland Aircraft.

The Westland IV first flew on 21 February 1929 at which time it was powered by the 95 hp Cirrus engine. The Wessex of 1930 used more powerful Armstrong Siddeley Genet Major engines as well as some other changes; the two Westland IV were subsequently converted to Wessexes giving 10 aircraft in total.

Operators

;flag|Egypt|1922
* Egyptian Air Force;UK
* Royal Air Force
* AST Ltd, Hamble, taken on by RAF and used as navigation trainers from 1939

pecifications (Wessex (Genet Major 1A)

aircraft specifications
plane or copter?=plane
jet or prop?=prop

ref=British Civil Aircraft 1919-1972: Volume III Jackson 1988, pp.246-247.]

crew=Two
capacity=Four passengers
payload main=
payload alt=
payload more=

length main= 38 ft 0 in
length alt= 11.59 m
span main= 57 ft 6 in
span alt= 17.53 m
height main= 9 ft 6 in
height alt= 2.89 m
area main= 490 ft²
area alt= 45.5 m²
airfoil=
empty weight main= 3,891 lb
empty weight alt= 1,769 kg
loaded weight main= 6,300 lb
loaded weight alt= 2,864 kg
useful load main=
useful load alt=
max takeoff weight main=
max takeoff weight alt=
more general=

engine (prop)=Armstrong Siddeley Genet Major 1A
type of prop=7-cylinder air cooled radial engine
number of props=3
power main= 140 hp
power alt= 104 kW
power original=
max speed main= 122 mph
max speed alt= 106 knots, 196 km/h
max speed more=
cruise speed main= 100 mph
cruise speed alt= 87 knots, 161 km/h
cruise speed more=
never exceed speed main=
never exceed speed alt=
stall speed main=
stall speed alt=
range main=420 mi
range alt= 365 NM, 676 km
range more=
ceiling main= 14,900 ft
ceiling alt= 4,540 m
celing more=
climb rate main= 680 ft/min
climb rate alt= 3.46 m/s
climb rate more=
loading main= 12.9 lb/ft²
loading alt= 62.9 kg/m²
thrust/weight=
power/mass main= 0.067 hp/lb
power/mass alt= 0.11 kW/kg
more performance=

avionics=

ee also

aircontent
related=

similar aircraft=

sequence=Westland-Hill Pterodactyl - Westland Interceptor - Westland Wessex - Westland C.O.W. Gun Fighter - Westland Wallace - Westland-Houston PV-3

lists=

see also=

References

* Jackson, A.J. "British Civil Aircraft 1919-1972: Volume III". London, Putnam, 1988. ISBN 0 85177 818 6.
* [http://www.britishaircraft.co.uk/aircraftpage.php?ID=568 British Aircraft directory] accessed 2 Feb 2007


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