Quick Search


Tibetan singing bowl music,sound healing, remove negative energy.

528hz solfreggio music -  Attract Wealth and Abundance, Manifest Money and Increase Luck



 
Your forum announcement here!

  Free Advertising Forums | Free Advertising Board | Post Free Ads Forum | Free Advertising Forums Directory | Best Free Advertising Methods | Advertising Forums > Post Your Free Ads Here in English for Advertising .Adult and gambling websites NOT accepted. > Business to Business Ads:

Business to Business Ads: This forum is for posting ads that would be of interest to other Business Owners. Things like Marketing Services, Supply Services, and Business Essentials.

Reply
 
Thread Tools Display Modes
Old 05-23-2011, 09:11 PM   #1
yantong2050
 
Posts: n/a
Default 加拿大博士生驾扑翼飞机持续飞行19.3秒创纪录

  新华网多伦多9月23日电(记者安鹏)据多伦多媒体23日报道,多伦多大学工程学博士生托德・赖克特驾 驶自制的扑翼飞机持续飞行了19.3秒,飞行距离达145米,创造了靠人力飞行的世界纪录。
视频:加拿大博士生驾扑翼飞机持续飞行19.3秒 来源:新浪播客
  人类一直梦想能像鸟儿那样扇动翅膀翱翔蓝天,扑翼飞机就是这样一种载人飞行器。赖克特及其团队耗时4年 、花费20万美元研制的这架扑翼飞机取名“雪鸟”,其翼展达32米,与一架波音737客机不相上下,但因为 使用轻质木材、碳纤维和泡沫塑料等材料制成,“雪鸟”只有42公斤重。

  现年28岁的赖克特8月2日在托特纳姆成功试飞了“雪鸟”。当天天气晴好,一辆拖车将“雪鸟”拽离地面 ,此后赖克特奋力踩动脚踏板,nike shoes uk,相连的金属线带动“雪鸟”的“翅膀”上下扑动,终于飞上蓝天。

  赖克特说,nike shox,扑翼飞机保持高度及速度达19.3秒,飞行距离达145米,平均时速为25.6公里,相信这是航空史上的 空前纪录。他说,长久以来,数以千计的人曾尝试这种飞行,但从未有人实现持续飞行。

  此前,赖克特共进行了65次试飞。整个过程中,为了更容易操控飞机,赖克特控制饮食,体重 减轻8公斤,Nike Air Max Tailwind,同时加强腿部肌肉锻炼,cool nike air max

  据报道,赖克特的团队正与位于渥太华的加拿大航空航天博物馆联系,打算将“雪鸟”捐出展览 。
  Reply With Quote

Sponsored Links
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT. The time now is 11:59 PM.

 

Powered by vBulletin Version 3.6.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Free Advertising Forums | Free Advertising Message Boards | Post Free Ads Forum