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Electric self-launch sailplane
Hello David,
your statement is only half correct. since 2001 a modified DG is flying to prove and test the electrical concept. I am not sure if the Antares itself had now its maiden flight greetings Chris ASW-27 CH "Dave Ellis" wrote in message ... A recent thread on this newsgroup asks if the "Silent" is the first electrically powered self launch glider. The prototype 20 meter Antares glider designed by Axel Lange flew in 2001 with NiMH batteries. The production prototype is flying with Li Ion batteries. A friend just completed a 3 hour flight and is ecstatic about both performance and the electrics. http://www.lange-flugzeugbau.com/english A typical 60 amp-hour12 volt car battery stores 0.72 Kw-hrs The Antares battery has 72 , 3.6 Volt, 39 amp-hour cells. It stores 10 Kw-Hrs The motor delivers 42 Kw at 1900 RPM http://www.dpamagazine.co.uk/product...electext05.htm The Engine Noise Level (ENL) detection system in the Cambridge GPS-NAV successfully records Antares Propellor noise. Dave Ellis |
#2
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X-no-archive: yes
In article , Dave Ellis writes The Engine Noise Level (ENL) detection system in the Cambridge GPS-NAV successfully records Antares Propellor noise. Dave Ellis That just an opinion, it has not been determined by GFAC. From the Model 10, 20 & 25 Approval document, "B4.2. ENL during engine running....... but if an electric engine is encountered, please contact GFAC as soon as possible so that tests can be carried out." Tim Newport-Peace "Indecision is the Key to Flexibility." |
#3
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On Sat, 13 Sep 2003 19:17:47 GMT, "CH" wrote:
since 2001 a modified DG is flying to prove and test the electrical concept. I am not sure if the Antares itself had now its maiden flight The statement is correct - it is indeed the "real" Antares that had its maiden flight a couple of weeks ago. We'll get number #1 on our airfield... Bye Andreas |
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