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UNMANNED SYSTEMS UPDATE

March 17, 2017 by

Sponsored by The British Robotics Seed Fund

http: www.britbots.com/fund
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17 Mar 17. DARPA Awards Phase 2 Gremlins Program Contracts. DARPA recently completed Phase 1 of its Gremlins program, which envisions volleys of low-cost, reusable unmanned aerial systems (UASs)—or “gremlins”—that could be launched and later retrieved in mid-air. Taking the program to its next stage, the Agency has now awarded Phase 2 contracts to two teams, one led by Dynetics, Inc. (Huntsville, Ala.) and the other by General Atomics Aeronautical Systems, Inc. (San Diego, Calif.).
“The Phase 1 program showed the feasibility of airborne UAS launch and recovery systems that would require minimal modification to the host aircraft,” said Scott Wierzbanowski, DARPA program manager. “We’re aiming in Phase 2 to mature two system concepts to enable ‘aircraft carriers in the sky’ using air-recoverable UASs that could carry various payloads—advances that would greatly extend the range, flexibility, and affordability of UAS operations for the U.S. military.”
Gremlins Phase 2 research seeks to complete preliminary designs for full-scale technology demonstration systems, as well as develop and perform risk-reduction tests of individual system components. Phase 3 goals include developing one full-scale technology demonstration system and conducting flight demonstrations involving airborne launch and recovery of multiple gremlins. Flight tests are currently scheduled for the 2019 timeframe.
Named for the imaginary, mischievous imps that became the good luck charms of many British pilots during World War II, the program envisions launching groups of UASs from multiple types of military aircraft—including bombers, transport, fighters, and small, unmanned fixed-wing platforms—while out of range of adversary defenses. When the gremlins complete their mission, a C-130 transport aircraft would retrieve them in the air and carry them home, where ground crews would prepare them for their next use within 24 hours.
The gremlins’ expected lifetime of about 20 uses could provide significant cost advantages over expendable unmanned systems by reducing payload and airframe costs and by having lower mission and maintenance costs than conventional manned platforms. (Source: UAS VISION)

15 Mar 17. China’s Rainbow Solar UAV to Make Maiden Flight. China’s aerospace engineers boast the “Caihong” is the world’s largest solar-powered drone, dwarfing NASA’s Pathfinder series that never made it into mass production. The prospect of the drone leading in disaster monitoring is in the horizon.
A large-scale solar-powered unmanned aerial vehicle (UAV), latest in the “Caihong” (rainbow in English) series produced by the China Academy of Aerospace Aerodynamics (CAAA), will make its maiden flight by midyear, China.org.cn has learnt.
The UAV will seek to reach near-space, an altitude above where commercial airliners fly, but below orbiting satellites.
Such a vehicle is commonly referred to as an “atmospheric satellite” in that it can function as a low-orbit satellite to a certain extent. A solar UAV can perform sustained surveillance and information-relay over a region.
It usually features longer hovering time, higher communication capacity and higher image resolution than a usual reconnaissance satellite that can only visit a designated region periodically. Besides, the price of a solar UAV and its launch cost are far lower than a satellite.
The Chinese vehicle has a wingspan of more than 40 meters. It has eight propellers installed on the front of the wings fully covered by solar panels. Its designer, CAAA’s chief UAV engineer Shi Wen, calls it the world’s largest solar-powered drone, even dwarfing the US NASA Pathfinder series that never made it into mass production.
Shi said his UAV is among the world’s top three in terms of its overall performance indicators and technical capabilities.
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