Transport airplane

• US 4,379,533 A
• Filed: 03/23/1981
• Issued: 04/12/1983
• Est. Priority Date: 07/02/1979
• Status: Expired due to Fees

• Current Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Original Assignee: Lockheed Martin Corporation (Martin Marietta Corporation)
• Inventors: Smethers, Rollo G. Jr., Caldwell, Edward W.
• Primary Examiner(s): Barefoot, Galen L.
• Application Number:
  US06/246,670
• Time in Patent Office: 750 Days
• Field of Search: 244/2, 244/118, 244/137 R, 244/137 P, 244/137 P, 244/120, 244/140, 244/139, 244/141
• US Class Current: 244/118.1
• CPC Class Codes: B64C 39/02 characterised by special use

Abstract

An airplane features one basic airframe capable of carrying passengers or cargo such as intermodal containers or vehicles. It consists of a basic structure containing the cockpit, wings, engines and empennage. The cockpit and empennage portions are connected by an open, flat section (similar to a flatbed truck) on which the payload is placed. The payload thus forms and constitutes the fuselage shape and may be comprised of a passenger pod, cargo containers or outsized and vehicular equipment. Loading and unloading of such payloads is facilitated by a removable forward section to permit front end access and by laterally disposed vertical tails for aft end access.

Claims

1. A transport airplane formed at the forward end by a control cabin and aft by a basic flyable backbone adapted to removably secure and carry a payload selected from at least one of a variety of payloads of different shapes and sizes thereon including sizes and shapes defining non-aerodynamic configurations extending beyond the limits of structural members forming a part of and carried by said backbone, said backbone comprising:

a flatbed formed by a payload supporting surface planar throughout its length and extending aft from the rear of said cabin adjacent the bottom thereof to the extremity of the airplane and substantially parallel to the ground at all times;

a pair of fixed wings one secured to and extending laterally from each side of said flatbed and below said payload supporting surface, said wings being located approximately midway between said cabin and said aft airplane extremity thereby establishing the location of the center of gravity of the airplane whereby said selected payload center of gravity is located vertically above and substantially aligned with said airplane center of gravity;

at least one engine carried by each said wing; and

an empennage formed by a horizontal aerodynamic surface contiguous to and extending laterally from each side of said flatbed below said payload supporting surface and a vertical surface extending upwardly from the outer end of said horizontal surface, said empennage being immovably secured to said flatbed at all times.

2. The airplane of claim 1 including a hinge connection between said cabin and said flatbed and a power actuator operative to swing said cabin to one side of said flatbed.

3. The airplane of claim 2 further including a landing gear arrangement the several elements of which are all located aft of said hinge connection.

4. The airplane of claim 1 including a removable fairing secured to and extending from the aft end of said cabin and tapering to substantially a point medially of the length of said flatbed.

5. The airplane of claim 1 including an enclosure overlying and removably secured to said flatbed and having an external surface configured to form a smooth continuation of the adjacent surfaces of said cabin and said flatbed.

6. The airplane of claim 1 including a passenger module removably secured to said flatbed, said passenger module having an external surface configured to form a smooth continuation of the adjacent surfaces of said cabin and said flatbed.

7. The airplane of claim 1 including longitudinal rails extending along said flatbed each adapted to engage and secure a payload when located on said flatbed.

8. The airplane of claim 1 including a multiplicity of rollers carried by said flatbed adapted to facilitate movement of a payload thereon.

9. The airplane of claim 8 wherein said rollers are mounted on said flatbed for movement to and from extreme positions where they extend above the upper surface of said flatbed and are disposed totally below said upper surface.