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Boeing Vertol Light Intratheatre Transport (LIT) V/STOL cargo aircraft

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in Flightglobal site,they spoke about the Boeing Vertol LIT (light intratheatre
transport) a tilt-wing V/STOL cargo aircraft,does anyone know more about it ?.


There's is a pic not so far from your link:


Antonio ;)


Anther artist drawing to Boeing LIT.


Boeing-Vertol's submission for the USAF LIT (light intratheater transport) is a straightforward tilt-wing. The aircraft has a plump cargo fuselage with rear loading ramp and tricycle undercarriage with "bicycle" main wheel units retracting into side blisters. The wing has leading-edge slats and slotted flaps, carrying four turbines driving 26 foot diameter propeller/rotors. The tailplane has a very large incidence range. Speed range is zero to 400 kt, with STOL approach speeds, wing partly tilted, of 30 to 45 kt. The VTOL cargo is given as 10,000 lb., the STOL at 34,000 lb.

Source: Flight International February 5, 1970 p. 201


The United States Air Force Light Intratheater Transport (LIT) program was a follow-on to the suspended CX-6 program. In 1967, the Department of Defense concluded that it was too early to decide on a specific CX-6 design because studies showed that no suitable powerplant was expected to be developed during the development time-scale and other systems, particularly those associated with stability and control, would also need development. The LIT program was intended as a replacement to the Boeing-Vertol CH-47 Chinook, Fairchild C-123 Provider, and the de Havilland Canada CV-2/C-7 Caribou. Initial orders were expected to number 300 aircraft at the start of the 1970s with 800 more by the end of the decade. US Air Force Staff technicians argued between true tiltwing or tilt-rotor V(S)TOL and advanced STOL of the Breguet Integral type.

The CX-6 program is discussed in the following topic:,1008.0.html


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