Fairchild XC-120 Packplane

XC-120 Packplane

Composite image of the sole XC-120 on the ground, and in flight.
Role	Military transport aircraft
Manufacturer	Fairchild
First flight	11 August 1950
Number built	1
Developed from	C-119 Flying Boxcar

The Fairchild XC-120 Packplane was an American experimental transport aircraft first flown in 1950. It was developed from the company's C-119 Flying Boxcar, and was unique in the unconventional use of removable cargo pods that were attached below the fuselage, instead of possessing an internal cargo compartment.

Design and development

The XC-120 Packplane began as a C-119B fuselage (48-330, c/n 10312) which was cut off at a point just below the flight deck. The wings were angled upwards between the engines and the fuselage, raising the fuselage by several feet and giving the plane an inverted gull wing appearance. Smaller diameter "twinned" wheels were installed forward of each of the main landing gear struts to serve as nosewheels, while the main struts were extended backwards.

All four landing gear units, in matching "nose" and "main" sets, could be raised and lowered in a scissorlike fashion to lower the aircraft and facilitate the removal of a planned variety of wheeled pods which would be attached below the fuselage for the transport of cargo. The goal was to allow cargo to be preloaded into the pods; it was claimed that such an arrangement would speed up loading and unloading cargo.^[1]

Production aircraft were to be designated C-128.

Operational history

Only one XC-120 was built. Though the aircraft was tested extensively and made numerous airshow appearances in the early 1950s the project went no further. It was tested by the Air Proving Ground Command at Eglin Air Force Base, Florida, in 1951,^[2] before the project was abandoned in 1952.^[3] The sole prototype was eventually scrapped.

Specifications (XC-120)

XC-120 without its cargo container

The XC-120 on the ground

Data from ^[4]

General characteristics

Crew: Five (pilot, copilot, flight engineer, two loadmasters)
Capacity: 20,000 lb (2,700 cu.ft)
Length: 82 ft 10 in (25.25 m)
Wingspan: 106 ft 6 in (32.46 m)
Height: 25 ft 1 in (7.65 m)
Wing area: 1,447 sq ft (134.4 m²)
Powerplant: 2 × Pratt & Whitney R-4360 Wasp Major radial engines, 3,250 hp (2,420 kW) each for takeoff

References

↑ Micheal O'Leary (November 1978). "Those Fabulous Flops". Air Progress.
↑ Staff, "XC-120 Goes to Eglin for Tests", Aviation Week, 11 June 1951, Vol. 54, No. 24, p. 15.
↑ "1946-1948 USAAF-USAF Serial Numbers". joebaugher.com. July 13, 2017. Retrieved August 7, 2017.
↑ "Cargo Carrier Concept"

Evans, Stanley H. "Cargo Carrier Concept:Design-logic for Airborne Logistics: The Fairchild XC-120 Pack-plane". Flight, 21 September 1950. pp. 331–333.

External links

Wikimedia Commons has media related to XC-120 Packplane.

Video about the XC-120
The short film Big Picture: Chinese Reds Enter the Korean War is available for free download at the Internet Archive Contains segment about the plane.

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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