Travel Air 4000

Travel Air 4000

__NOTOC__ Infobox Aircraft
name=4000, CW-14, Sportsman, Osprey

type=Sports aircraft
manufacturer=Travel Air, Curtiss-Wright
designer=Lloyd Stearman
first flight=
primary user=
more users=
number built=
variants with their own articles=

The Travel Air 4000 (originally, the Model B, later marketed as a Curtiss-Wright product under the names CW-14, Speedwing, Sportsman and Osprey) was a sports aircraft produced in the United States in the 1920s and 30s. Sharing its structure with the Travel Air 2000 and 3000, it was a conventional single-bay biplane with staggered wings braced by N-struts. The fuselage was of fabric-covered steel tube and included two open cockpits in tandem, the forward of which could carry two passengers side-by-side. Like other aircraft in the Travel Air line, it was available with a variety of different, interchangeable wings, including a wing shorter and thinner than the rest known as the "Speedwing" designed, as the name suggests, for increased performance. Travel Air entered a specially-modified Model 4000 (designated 4000-T) in the Guggenheim Safe Aircraft Competition of 1930, but it was disqualified.

Following Travel Air's purchase by Curtiss-Wright, the Model 4000 continued in production into the early 1930s as the CW-14, and the range was expanded to include a military derivative dubbed the Osprey. This was fitted with bomb racks, a fixed, forward-firing machine gun, and a trainable tail gun. These aircraft were supplied to Bolivia and used during the Gran Chaco War, which eventually led to Curtiss-Wright's successful prosecution for supplying these aircraft in violation of a U.S. arms embargo.

In 2007, a small number of Travel Air 4000s remain flying along with numerous examples in museums. Preverved examples include those at the National Air and Space Museum, the EAA AirVenture Museum, the Reynolds-Alberta Museum, and the Virginia Aviation Museum.


* Model B - Travel Air Model A fitted with Wright J-6 engine

Like other Travel Air aircraft, Model 4000 variants were distinguished by letters prefixed (or occasionally affixed) to the basic designation to denote different engine and wing fits. These letter codes included:
* A - original wing with "elephant-ear" ailerons
* A - Axelson engine
* B - "standard wing" with Frise-type ailerons and three fuel tanks
* C - Curtiss engine
* D - "speedwing"
* E - revised "standard wing" with a single fuel tank
* K - Kinner engine
* L - Lycoming engine
* W - Warner engine

Curtiss-Wright models included:
* CW-14C Sportsman - version with Curtiss Challenger engine (1 built)
* CW-A14D Deluxe Sportsman - three-seat version with Wright J-6 engine and NACA cowling (5 built)
* CW-B14B Speedwing Deluxe - version with Wright J-6 engine (2 built)
* CW-B14R Special Speedwing Deluxe - single-seat racer built for Casey Lambert with supercharged Wright R-975 engine (1 built)
* CW-C14B Osprey - militarized version with Wright R-975E engine
* CW-C14R Osprey - militarized version with Wright J-6-9 engine
* CW-17R Pursuit Osprey - CW-B14B with uprated engine; possibly not built

pecifications (CW-A14D)

met or eng?= eng

crew=One pilot
capacity=2 passengers
length m=7.17
length ft=23
length in=7
span m=9.44
span ft=31
span in=0
swept m=
swept ft=
swept in=
rot number=
rot dia m=
rot dia ft=
rot dia in=
dia m=
dia ft=
dia in=
width m=
width ft=
width in=
height m=2.78
height ft=9
height in=2
wing area sqm=23.0
wing area sqft=248
swept area sqm=
swept area sqft=
rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio=
empty weight kg=804
empty weight lb=1,772
gross weight kg=1,302
gross weight lb=2,870
lift kg=
lift lb=

eng1 number=1
eng1 type=Wright J-6-7
eng1 kw= 180
eng1 hp= 240
eng1 kn=
eng1 lbf=
eng1 kn-ab=
eng1 lbf-ab=
eng2 number=
eng2 type=
eng2 kw=
eng2 hp=
eng2 kn=
eng2 lbf=
eng2 kn-ab=
eng2 lbf-ab=

max speed kmh=249
max speed mph=155
max speed mach=
cruise speed kmh=
cruise speed mph=
range km=966
range miles=600
endurance h=
endurance min=
ceiling m=4,880
ceiling ft=16,000
glide ratio=
climb rate ms=5.1
climb rate ftmin=1,000
sink rate ms=
sink rate ftmin=



* [ NASM website]
* [ AirVenture Museum website]
* [ Virginia Aviation Museum website]

ee also



similar aircraft=



see also=

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