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HUFF-DALAND XLB-3

Posted 6/25/2009 Printable Fact Sheet
 
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Huff-Daland XLB-3
Huff-Daland XLB-3. (U.S. Air Force photo)
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The XLB-3, built by Huff-Daland, was essentially an LB-1 airframe powered by experimental air-cooled and inverted Liberty engines, one on each side of the fuselage mounted on the lower wing. This power plant installation was abandoned, however, and the same aeroplane became the XLB-3A, with 410 hp air-cooled Pratt & Whitney Wasp R-1340-1 radial engines. The crew was increased to five, with conventional nose gunnery and bombing stations. By the time the XLB-3A was delivered, the Huff-Daland Co. had been reorganized as Keystone, so the airplane was known as a Keystone.


Type Number built/
converted
Remarks
XLB-3 1 Twin air-cooled engines


TECHNICAL NOTES (speed/range are estimates):
Armament: Five .30-cal. machine guns and approx. 2,200 lbs. of bombs
Engines: Two inverted air-cooled Liberty V-1410s of 420 hp each
Maximum speed: 105 mph at sea level
Service ceiling: 8,000 ft.
Range: Approx. 400 miles with full bomb load
Span: 66 ft. 6 in.
Length: 46 ft. 2 in.
Height: 14 ft. 11 in.
Weight: Approx. 12,000 lbs. gross
Crew: Five
Serial number: 27-333

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