North American XB-70 Valkyrie - 纪录片1080P/720P/360P高清标清网盘迅雷下载

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North American XB-70 Valkyrie - 纪录片1080P/720P/360P高清标清网盘迅雷下载


North American XB-70 Valkyrie - 纪录片1080P/720P/360P高清标清网盘迅雷下载

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General Information：
Technology Documentary hosted by Ron David and published by Discovery Channel as part of the DC Wings series in 1989- English narration

Information
Great Planes looks into the stories behind the most influential, innovative and intriguing machines that ever took flight. The North American Aviation XB-70 Valkyrie was the prototype version of the proposed B-70 nuclear-armed deep penetration bomber for the United States Air Force's Strategic Air Command. Designed in the late 1950s, the Valkyrie was a large six-engined aircraft able to fly Mach 3+ at an altitude of 70,000 ft (21,000 m), which would have allowed it to avoid interceptors, the only effective anti-bomber weapon at the time. Engineers had tried to build a supersonic bomber since World War II, and finally completed the XB-70 Valkyrie in 1964. See the story of this amazing plane on this episode of Wings.


Technical Specs
Video Codec: XviD 1.1.2 Final
Video Bitrate: 1006 kbps
Video Resolution: 640x480
Video Aspect Ratio: 1.333:1
Frames Per Second: 29.970
Audio Codec: 0x0055 MPEG-1 Layer 3
Audio Bitrate: 128kb/s CBR 44100 Hz
Audio Streams: 2
Audio Languages: English
RunTime Per Part: 44 mins
Number Of Parts: 1
Part Size: 382 MBytes
Subtitles: None
Re-encoded by: Shink5 from an ED2K find

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North American XB-70 Valkyrie - 纪录片1080P/720P/360P高清标清网盘迅雷下载

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