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The NACA standard roughness as defined in
Abbott, I.H., von Doenhoff, A.E.: Theory of Wing Sections, Dover Publications, New York, 1959, SBN: 486-60586-8
示意圖
http://forums.x-plane.org/index.php?s=8f112b409fb3b1d6d7b86d21588fd630&act=attach&type=post&id=34401
NACA standard roughness lies between fabric covered wing and bugs and dirt, chances are your wing is smother than that.
http://forums.x-plane.org/index.php?showtopic=26185&pid=290091&mode=threaded&start=
About forty grit sandpaper, far from what most private airplanes see in actual service.
http://www.oriontechnologies.net/Documents/Airfoil.htm
Standard roughness
(0.011 inch carborundum grains uniformly distributed at a density of five to ten percent of the area extending from the airfoil’s leading edge to 0.08c of the 24 inch model)
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library%5CrgDAC.nsf/0/422DA1EBEFAE6A6386256CEC004AAEF1?OpenDocument
館藏地總館
主要作者 Abbott Ira Herbert, 1906-
書名/作者 Theory of wing sections, including a summary of airfoil data / by Ira H. Abbott and Albert E. von Doenhoff
出版項 New York : Dover Publications, 1959
版本項 [Corr. version, with a new pref. by the authors]
館藏地 索書號 條碼 處理狀態
總館 629.13432 A131 LBE044849 可借用
總館 629.13432 A131 LBE034072 可借用
稽核項 x, 693 p. : ill. ; 21 cm
主題 Airplanes -- Wings
Aerodynamics
Aerofoils
其他作者 Von Doenhoff Albert Edward, 1910- joint author
Abbott, I.H., von Doenhoff, A.E.: Theory of Wing Sections, Dover Publications, New York, 1959, SBN: 486-60586-8
示意圖
http://forums.x-plane.org/index.php?s=8f112b409fb3b1d6d7b86d21588fd630&act=attach&type=post&id=34401
NACA standard roughness lies between fabric covered wing and bugs and dirt, chances are your wing is smother than that.
http://forums.x-plane.org/index.php?showtopic=26185&pid=290091&mode=threaded&start=
About forty grit sandpaper, far from what most private airplanes see in actual service.
http://www.oriontechnologies.net/Documents/Airfoil.htm
Standard roughness
(0.011 inch carborundum grains uniformly distributed at a density of five to ten percent of the area extending from the airfoil’s leading edge to 0.08c of the 24 inch model)
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library%5CrgDAC.nsf/0/422DA1EBEFAE6A6386256CEC004AAEF1?OpenDocument
館藏地總館
主要作者 Abbott Ira Herbert, 1906-
書名/作者 Theory of wing sections, including a summary of airfoil data / by Ira H. Abbott and Albert E. von Doenhoff
出版項 New York : Dover Publications, 1959
版本項 [Corr. version, with a new pref. by the authors]
館藏地 索書號 條碼 處理狀態
總館 629.13432 A131 LBE044849 可借用
總館 629.13432 A131 LBE034072 可借用
稽核項 x, 693 p. : ill. ; 21 cm
主題 Airplanes -- Wings
Aerodynamics
Aerofoils
其他作者 Von Doenhoff Albert Edward, 1910- joint author
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