File:Principles and design of aëroplanes (1912) (14740263616).jpg

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English:

Identifier: principlesdesign00chat (find matches)
Title: Principles and design of aëroplanes
Year: 1912 (1910s)
Authors: Chatley, Herbert, 1885-
Subjects: Airplanes
Publisher: New York, D. Van Nostrand company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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■ Use feet and pounds for measure-ments, and the result will be in foot-pounds turning or bending moment. The resisting moment of the framewill be as follows (rectangular frame) : 2 X pull or push in one bar (lbs.) Xdepth of frame (feet) = bendingmoment. Using the greatest bending moment,we have then: n, i. i( pull in bottom bars ) _( or, push in top bars ) greatest bending moment2 X depth of frame If the frame is triangular, 64
Text Appearing After Image:
65 (Push in top bar X S depth) + 2 (pullin each bottom bar X A depth) =bending moment.This leads to the following simple rule: Pull or push ) _J> x bending moment,in rods ) 4x depth For the transverse frame we have: Greatest bending moment === (L3 - W6) x-;, or (L4 - W8) x ;- The monoplane type of machine de-vised by Professor Langley is also adoptedby some experimenters, but not withsurfaces in tandem as he had them. Inthis there is a central girder, and thetransverse planes (which are not super-posed in pairs) have framings which arejointed with tee-pieces into the centralshaft. The frames are stiffened by cross-struts and stay-wires fixed to the endslike the trussed beams used in travellingcranes. Steel is preferable for this type 66 of frame. Aluminum is of no great ad-vantage, as strength for strength it isvery little lighter, and much more ex-pensive and difficult to procure. As regards the joints of frameworkit is perhaps best to have specially castjunction-pieces, although

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  • bookid:principlesdesign00chat
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Chatley__Herbert__1885_
  • booksubject:Airplanes
  • bookpublisher:New_York__D__Van_Nostrand_company
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:73
  • bookcollection:library_of_congress
  • bookcollection:americana
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28 July 2014
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23 September 2015

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current20:01, 24 September 2015Thumbnail for version as of 20:01, 24 September 20152,288 × 1,584 (270 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
12:38, 23 September 2015Thumbnail for version as of 12:38, 23 September 20151,584 × 2,292 (274 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': principlesdesign00chat ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fprinciplesdesign00chat%2F fin...

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