VTOL aircraft

June 19, 2011 - 8:30pm

The Lockheed Martin F-35 development program has met or exceeded the revised flight-test schedule that was written following a technical baseline restructuring (TBR) last August, according to Lockheed Martin officials. But some significant technical issues remain, and affordability continues to be a key concern for the new-generation combat aircraft.

June 19, 2011 - 7:05pm

Both the Sikorsky X2 and the Eurocopter X3 have propellers and both are targeting higher cruise speeds; however, their respective designers have not been working to the same principles.

The X2 is effectively a semi-compound helicopter, having contra-rotating main rotors and one aft propeller, while the X3 is a true compound with a single main rotor, wing stubs and two side-mounted propellers.

June 19, 2011 - 7:00pm
With its X3 demonstrator, Eurocopter reached 232 knots but is targeting 220 k...

Eurocopter has delivered what it hopes will prove to be the X-Factor to this year’s Paris Air Show. The daily flying display this week features its new its X3 (“x cubed”) compound helicopter demonstrator, a modified AS 365 Dauphin with a conventional main rotor, two propellers on wingstubs and a conventional empennage.

June 19, 2011 - 3:50am

Lockheed Martin’s F-35 is the Pentagon’s largest cooperative program. Eight partner countries are collectively contributing $4.9 billion to the system design and development phase (SDD). They have projected a total buy of 597 aircraft as follows: Australia, 100; Canada, 65; Denmark, 30; Italy, 131; The Netherlands, 85; Norway, 48; Turkey, 100; and the UK, 138.

June 6, 2011 - 5:12am
Lockheed Martin CEO Bob Stevens says the F-35 program has stabilized after th...

Lockheed Martin has learned “some painful lessons” during the development of the F-35, CEO Bob Stevens told journalists in late May. “There’s more realism now,” he added.

May 9, 2011 - 5:04am
Boeing and Lockheed Martin are looking toward other competitions for sales of...

U.S. defense contractors eliminated from the $10 billion competition to provide India’s medium multi-role combat aircraft (MMRCA) cite several other international programs and competitions as opportunities for their respective platforms. But the start of Japan's F-X contest in April and fighter requirements in countries including Denmark, Malaysia and Brazil did nothing to mask the clear disappointment expressed by U.S.

March 18, 2011 - 11:00am
Lockheed Martin is flying the first two low-rate initial production F-35s. Th...

The expected costs to produce and sustain the F-35 Lightning II Joint Strike Fighter in service are “simply unacceptable in this fiscal environment,” according to senior Pentagon officials. Air Force acquisition executive David Van Buren and F-35 Joint Program Office chief Vice Admiral David Venlet told a U.S.

January 21, 2011 - 6:46am
The F-35B STOVL version of the Joint Strike Fighter will be canceled if Lockh...

Lockheed Martin has two years to fix problems with the F-35B short takeoff and vertical landing (STOVL) version of the Joint Strike Fighter, or it will be cancelled, according to the Department of Defense. U.S.

January 10, 2011 - 4:28am
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Lockheed Martin has two years to fix problems with the F-35B short takeoff and vertical landing (STOVL) version of the Joint Strike Fighter, or it will be cancelled, according to the Department of Defense. U.S.

December 16, 2010 - 5:39am
Pratt & Whitney delivered the first production-standard F135 for the Joint St...

Pratt & Whitney has delivered the first F135 production-standard short takeoff/vertical landing (STOVL) engine to Lockheed Martin for the F-35B Joint Strike Fighter program. The engine manufacturer plans to deliver another 18 STOVL engines next year. Any further design changes will likely be limited to “mostly software tweaks,” a P&W representative told AIN. Meanwhile, the U.S.

 
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