Kreider-Reisner XC-31

XC-31

Role	Single-engine transport
National origin	United States
Manufacturer	Fairchild Aircraft
First flight	September 22, 1934
Primary user	United States Army Air Corps
Number built	1

The Kreider-Reisner XC-31 or Fairchild XC-31 was an American single-engined monoplane transport aircraft of the 1930s designed and built by Kreider-Reisner. It was the largest single-engine aircraft built to that time,^[1] as well as one of the last fabric-covered aircraft tested by the U.S. Army Air Corps.^[2] Designed as an alternative to the emerging twin-engined transports of the time such as the Douglas DC-2, it was evaluated by the Air Corps at Wright Field, Ohio, under the test designation XC-941,^[2] but rejected in favor of all-metal twin-engined designs.

The XC-31 was built with an aluminum alloy framework covered by fabric, and featured strut-braced wing and a fully retractable landing gear, the main gear units mounted on small wing-like stubs and retracting inwards. An additional novel feature was the provision of main cargo doors that were parallel with the ground to facilitate loading.

XC-31 at Langley

Following evaluation by the USAAC, the XC-31 was transferred to NACA, which used it for icing studies at its Langley Research Center.^[3]

Specifications

Data from ,^[2]^[3]

General characteristics

Crew: 1 (Pilot)
Capacity: 15 passengers or 3,500 pounds (1,600 kg) of cargo
Length: 55 ft 5 in (16.89 m)
Wingspan: 75 ft in (22.86 m)
Height: 15 ft 10 in (4.83 m)
Wing area: 802 ft² (74.5 m²)
Empty weight: 7322 lb (3321 kg)
Gross weight: 12750 lb (5783 kg)
Powerplant: 1 × Wright R-1820--25 radial, 750 hp (559 kW)

Performance

Maximum speed: 154 mph (248 km/h)
Cruise speed: 143 mph (230 km/h)
Range: 775 miles (1247 km)
Service ceiling: 15,000 ft (4570 m)

References

Wikimedia Commons has media related to Kreider-Reisner XC-31.

↑ Pattillo, Donald M. (1998). Pushing the Envelope: The American Aircraft Industry. University of Michigan: University of Michigan Press. pp. 79–80. ISBN 978-0472086719. Retrieved 2 April 2010.
1 2 3 "Kreider-Reisner XC-31 Fact Sheet". Online Aircraft Features. National Museum of the US Air Force. Retrieved 2 April 2010.
1 2 "Fairchild Model XC-31 Cargo Transport". History of Airplanes. acepilots.com. Retrieved 2 April 2010.

Aircraft produced by Fairchild Aircraft, subsidiaries, and successor companies

Manufacturer
designations

21
22
24
41
42
45
46
51
61
62
71
72
77
78/78
79
80
81
82
84
91
100
105
107
110
135
140
150
164
203
205
224
473
484
538

By role

Experimental	VZ-5 XC-120 XBQ-3 XH-26

Passenger transports	FC-1 FC-2 21 22 24 41 42 45 46 51 71 72 81 82 91 92 100 135 140 150 228 PC-6

Military trainers	AT-21 PT-19 PT-23 PT-26 XNQ

Military transports	AU-23 C-26 C-82 C-119 C-123

Fairchild (Canada)

Fairchild-Dornier

Fairchild Hiller

Fairchild Republic

A-10
T-46

Fairchild Swearingen

American Helicopter

XA-5
XA-6
XA-8

See also: Ranger/Fairchild aeroengines

United States military transport aircraft designations, Army/Air Force and Tri-Service systems

Army/Air Force sequence (1925-1962)	C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 C-37 C-38 C-39 C-40 C-41/A C-42 C-43 C-44 C-45 C-46 C-47/T C-48 C-49 C-50 C-51 C-52 C-53 C-54 C-55 C-56 C-57 C-58 C-59 C-60 C-61 C-62 C-63 C-64 C-65 C-66 C-67 C-68 C-69 C-70/A/B/C/D C-71 C-72 C-73 C-74 C-75 C-76 C-77/B-D C-78 C-79 C-80 C-81 C-82 C-83 C-84 C-85 C-86 C-87 C-88 C-89 C-90 C-91 C-92 C-93 C-94 C-95 C-96 C-97/KC-97 C-98 C-99 C-100 C-101 C-102 C-103 C-104 C-105 C-106 C-107 C-108 C-109 C-110 C-111 C-112 C-113 C-114 C-115 C-116 C-117 C-118 C-119 C-120 C-121/F C-122 C-123/A C-124 C-125 C-126 C-127 (I) C-127 (II) C-128 C-129 C-130/J C-131 C-132 C-133 C-134 C-135/KC-135 C-136 C-137 C-138¹ C-139¹ C-140 C-141 C-142

Tri-service sequence (1962-present)	C-1 C-2 C-3 C-4 C-5 C-6 C-7/B C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20A-D/F-H C-21 C-22 C-23 C-24 C-25 C-26 C-27/J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36 C-37A/B C-38 C-39¹ C-40 C-41 C-42¹ C-43¹ C-44¹ C-45 C-46

Revived original sequence (2005-present)	C-143 C-144 C-145 C-146

Non-sequential designations	C-767 C-880

¹ Not assigned See also: AC-47 • AC-119 • AC-130 • DC-130 • EC-130 • HC-130 • KC-130 • LC-130 • MC-130 • WC-130 • CT-39 • CT-43

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Kreider-Reisner XC-31

Specifications

See also

References