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  • swerve
    Rank 5 Registered User
    • Jun 2005
    • 13610

    What's the basic design flaw? Have you read the article?

    "Yes, the ducted fans can vary the pitch of their blades in useful ways, making the aircraft more agile, Gaffey told me in an interview, and agility is crucial for the low-speed, low-altitude operations the Army envisions, ducking behind buildings and sneaking down streets to avoid Russian and Chinese anti-aircraft missiles. But thats not this design features most important virtue."

    Where's the flaw?
    Juris praecepta sunt haec: honeste vivere, alterum non laedere, suum cuique tribuere.
    Justinian

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    • SpudmanWP
      Rank 5 Registered User
      • Jan 2009
      • 5271

      The article was talking about exposed props around the cabin that soldiers can easily run into, especially in night ops or where vision could be obscured, like smoke.
      "The early bird gets the worm but the second mouse gets the cheese."

      Comment

      • TomcatViP
        Rank 5 Registered User
        • Nov 2011
        • 6001

        S-97 also use a clutch in part to prevent the rear prop from spinning during ground operation (also in the (read) article ).
        Last edited by TomcatViP; 17th May 2019, 18:23.

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        • BlackArcher
          Rank 5 Registered User
          • Dec 2010
          • 4233



          Cameroonian Z-9 helicopter crashes

          Comment

          • TomcatViP
            Rank 5 Registered User
            • Nov 2011
            • 6001

            See the US Air Forces new combat rescue helo fly for the first time

            A Lockheed Martin subsidiarys combat rescue helicopter took to the skies for the first time Friday.

            The HH-60W helicopter one of two that Sikorsky fully assembled flew from the companys West Palm Beach, Florida, test facility, the company said.

            The U.S. Air Force plans to buy 112 HH-60W helicopters to replace the HH-60G Pave Hawk.


            Source:
            https://www.defensenews.com/"]Defense News.com[/url]
            Last edited by TomcatViP; 18th May 2019, 04:11.

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            • TomcatViP
              Rank 5 Registered User
              • Nov 2011
              • 6001

              Sikorsky test flies Black Hawk helicopter without a pilot




              WEST PALM BEACH, Fla., June 6, 2019 /PRNewswire/ -- A technology kit developed by Sikorsky, a Lockheed Martin company (NYSE: LMT), was used for the first time to operate a Black Hawk helicopter with full-authority, fly-by-wire flight controls. The May 29 flight marked the official start to the flight test program for the soon-to-be optionally piloted aircraft. Follow-on flight testing aims to include envelope expansion throughout the summer leading to fully autonomous flight (zero pilots) in 2020.

              View the Video

              • OPVBlackHawkFirstFlight2019-Sikorsky

              "This technology brings a whole new dimension of safety, reliability and capability to existing and future helicopters and to those who depend on them to complete their missions," said Chris Van Buiten, Vice President, Sikorsky Innovations. "We're excited to be transforming a once mechanically controlled aircraft into one with fly-by-wire controls. This flight demonstrates the next step in making optionally piloted and optimally piloted aircraft, a reality."

              This is the first full authority fly-by-wire retrofit kit developed by Sikorsky that has completely removed mechanical flight controls from the aircraft.*
              Source:
              UPI.com
              https://news.lockheedmartin.com/2019...ogy#assets_all

              *emphasizes are mine

              Comment

              • haavarla
                Rank 5 Registered User
                • Dec 2008
                • 6648

                Russian Army Mi-24M in action. Location Idlib, Syria.

                https://www.youtube.com/watch?v=2FHiXlgD3_s

                Dang! you gotto love that Mi-24 sound!
                Last edited by haavarla; 17th June 2019, 19:22.
                Thanks

                Comment

                • Lt Anderson
                  Rank 5 Registered User
                  • Oct 2013
                  • 278

                  Originally posted by haavarla View Post
                  Russian Army Mi-24M in action. Location Idlib, Syria.

                  https://www.youtube.com/watch?v=2FHiXlgD3_s
                  Mi-24P.

                  Comment

                  • J-20
                    Rank 4 Registered User
                    • Jan 2018
                    • 154


                    wow that is a black hawk? I thought it totally looked like the Harbin Z-20

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