英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
triplanes查看　triplanes　在百度字典中的解释百度英翻中〔查看〕
triplanes查看　triplanes　在Google字典中的解释Google英翻中〔查看〕
triplanes查看　triplanes　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • What advantages and disadvantages do tri planes have?
    The accepted answer is wrong Triplanes have all the disadvantages of biplanes, only more so But they share their advantages as well, and the main reason to build them in WW I was roll maneuverability: The reduced wingspan reduced roll inertia, which helps to accelerate quickly into a high roll rate Note that roll authority changes linearly with span (if the ailerons are scaled with the span
  • aircraft design - What are the advantages and disadvantages of a . . .
    As a result, the biplanes and triplanes have lesser wing loading, which results in shoter to landing and lower stall speeds The shorter wingspan results in reduced roll inertia and roll damping, which results in better roll rates in the bi- and tri- planes This improved maneuverability was the reason for the surge in triplane designes during WWI
  • aircraft design - Wouldnt a triplane be much more efficient than a . . .
    Note: not a duplicate of Can biplane or triplane designs be revived with modern materials? This question compares a high performance triplane with high aspect ratios and high gap, to a monoplane I
  • aviation history - Can biplane or triplane designs be revived with . . .
    With the new-age technologies and cutting-edge composite materials etc available currently, is it possible that biplane and triplane designs will make a comeback in the near future?
  • What special handling characteristics or techniques do biplanes have . . .
    Advantages Biplanes (or triplanes) can usually lift up to 20% more than can a similarly sized monoplane of similar wingspan A biplane will therefore typically have a shorter wingspan than the equivalent monoplane, which tends to afford greater maneuverability The struts and wire bracing of a typical biplane form a box girder
  • Why are there no longer any biplanes? - Aviation Stack Exchange
    Is there an aerodynamic reason why the concept of biplane or triplane has been completely abandoned? Practically all planes were biplanes in WW1, and in WW2 practically none were developed
  • What is the best design to stack wings of a triplane?
    Large bi- and triplanes had no stagger Here the pilot sits ahead of the wing and large aircraft fly mostly straight, reducing the need for the pilot to observe the airspace around him However, if you look for a proven design of a very compact triplane, I would like to suggest the Italian Pensuti triplane
  • aviation history - Why do older airplanes have a wing on both the top . . .
    There were also triplanes, with three mainplanes for even more lift in the same wingspan WW I pilots demanded the highest rate of roll, which could best be achieved with biplanes In the time between the World Wars, the use of high-strength aluminium for aircraft and the monocoque airframe both allowed airframes to become stronger
  • aerodynamics - Why are highly cambered airfoils rarely used in . . .
    @RobertDiGiovanni Highly cambered airfoils behave much better in a duct where there is another airfoil surface "above" the suction surface to constrain the flow Aside from biplanes and triplanes, that does not apply to wings, and ducted propellers are also a rarity except for special purposes
  • Has there ever been a jet-powered Biplane other than the M-15 and why . . .
    The PZL M-15 Belphegor was a jet powered Biplane(Sesquiplane) manufactured between 1973–1981 I was wondering if any other biplanes or triplanes have used jet engines other than the PZL M-15 Belph





中文字典-英文字典  2005-2009