Research Archives - Page 38 of 135

Testing of Gremlins disrupted due to earthquake damage at China Lake

Posted on September 19, 2019 by alert5

Testing of the Gremlins air-recoverable unmanned air vehicles has been disrupted after an earthquake on Jul. 5 damaged the flight termination system at the test range.

Graphic: Dynetics

Continue reading “Testing of Gremlins disrupted due to earthquake damage at China Lake”

NASA tests 30-mile-long microphone array in preparation for X-59

Posted on September 5, 2019 by alert5

NASA has deployed an approximately 30-mile-long array of specially-configured microphones in the Mojave Desert as part of a flight series in preparation for the X-59’s testing.

One of multiple microphone stations used in the CarpetDIEM flight series, which gave researchers valuable lessons learned in preparations to deploy a similar array for the quiet supersonic X-59. Prior to community overflights, X-59 will undergo an acoustic validation phase, during which NASA will deploy the array of specially-configured microphones to measure the X-59’s thumps, in order to verify that they are as quiet as predicted.

Credits: NASA Photo / Lauren Hughes

Continue reading “NASA tests 30-mile-long microphone array in preparation for X-59”

ROBOpilot first flight

Posted on August 22, 2019August 22, 2019 by alert5

The Air Force Research Laboratory and DZYNE Technologies Incorporated has figured out a way to convert a general aviation aircraft into an unmanned platform without making permanent changes to the plane.

Continue reading “ROBOpilot first flight”

India has decided not to work with Safran on improving the Kaveri

Posted on August 16, 2019August 16, 2019 by alert5

India’s Kaeri jet engine has run into trouble again after the Defense Research and Development Organisation (DRDO) discovered that it will be too expensive to pay for its development using French assistance.

By Jagan Pillariseti (http://bharat-rakshak.com/) [CC BY 3.0], via Wikimedia Commons