Keystone LB-5

Keystone LB-5

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The Keystone LB-5 (originally produced under the Huff-Daland name) was a bomber aircraft produced in the United States in the late 1920s. Its manufacturer nicknamed it the Pirate, but this name was not officially adopted by the USAAC. The LB-5 was a member of the family of closely-related bomber designs that had debuted with the XLB-1 in 1923, and as such, was a large, single-bay, conventional biplane. Like most of the family, it was a twin-engine machine, with engines mounted in nacelles on the lower wing. The prototype XLB-5 and the ten LB-5 production machines had a single tail fin like the XLB-1, but a second batch was given twin tails, and designated LB-5A.

Variants

* XLB-5 - Prototype (1 built)
* LB-5 - first production batch with single tail fin (10 built)
* LB-5A - second production batch with twin tails (25 built)

Operators

* United States
** United States Army Air Corps

pecifications (LB-5)

aerospecs
ref=
met or eng?= eng

crew=Five - pilot, copilot, bombardier, two gunners
capacity=
length m=13.61
length ft=44
length in=8
span m=20.42
span ft=67
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=5.13
height ft=16
height in=10
wing area sqm=105.8
wing area sqft=1,138
swept area sqm=
swept area sqft=
rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio=
wing profile=
empty weight kg=3,194
empty weight lb=7,024
gross weight kg=5,525
gross weight lb=12,155
lift kg=
lift lb=

eng1 number=2
eng1 type=Liberty L-12
eng1 kw= 310
eng1 hp= 420
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=171
max speed mph=107
max speed mach=
cruise speed kmh=
cruise speed mph=
stall speed kmh=
stall speed mph=
range km=696
range miles=435
endurance h=
endurance min=
ceiling m=2,500
ceiling ft=8,000
g limits=
roll rate=
glide ratio=
climb rate ms=1.3
climb rate ftmin=250
sink rate ms=
sink rate ftmin=

armament1=2 × trainable .303 Lewis guns in open position in nose
armament2=2 × trainable .303 Lewis guns in open dorsal position
armament3=1 × trainable .303 Lewis gun in ventral hatch
armament4=2,312 lb (1,051 kg) of bombs
armament5=
armament6= aircontent
see also=
related=
similar aircraft=
lists=

References

*
*
* [http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2430 National Museum of the USAF XLB-5 fact sheet]
* [http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2402 National Museum of the USAF LB-5 fact sheet]
* [http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2403 National Museum of the USAF LB-5A fact sheet]
* [http://home.att.net/~jbaugher2/lb5.html American Bombing Aircraft]


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