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Hi. According to the article "chord refers to the distance between the leading edge and trailing edge of a wing measured in the direction of the normal airflow", so the first figure is wrong since the chord lenght should be horizontal. If I'm wrong, please explain me why.
79.136.90.131 ( talk) 17:50, 10 March 2009 (UTC)
— Preceding unsigned comment added by Ariadacapo ( talk • contribs) 22:01, 21 May 2012 (UTC)
The chord line in the diagram is still wrong. The dashed red line should not simply follow the bottom of the outline of the wing. It should terminate at the center of curvature on the left side of the diagram. If you Google search "chord line," you will see how it is supposed to look. — Preceding unsigned comment added by 153.26.178.60 ( talk) 05:49, 21 May 2012 (UTC)
{{
cite book}}
: CS1 maint: multiple names: authors list (
link) p.18. I am going to add this to the file description and also look for other sources.The "center of curvature" definition does not agree with all the formulas on the rest of the page (because the "wing area" is not measured to include parts of the under surface of the wing!). I added "Dubious" to the main page until an expert can properly sort this out. See also my comment above. 120.151.160.158 ( talk) 13:07, 7 January 2013 (UTC)
The formula for MAC is listed as:
This formula is rather unusual, and unnecessarily so, as it expresses the square of a function c(y) as c^2(y). This could easily be re-expressed as:
with increased clarity (especially for someone unfamiliar with the subject matter). While I can't vouch for the formula itself, I can vouch for the fact that this would make it more accessible. As the idiom in the formula isn't introduced to the reader, I believe this is the correct approach (assuming the formula is valid). 70.250.198.35 ( talk) 06:48, 6 September 2010 (UTC)
The very interesting discussion above lead me to draw Image:Chord length definition (en).svg. It displays a turbine blade airfoil so that the distinction between "max length of airfoil" and "chord length" can be made visually.
My hope is to replace the rather mis-leading top-page illustration ( Image:Airfoil.svg), please let me know if you’d rather not see it replaced. Ariadacapo ( talk) 08:35, 27 November 2011 (UTC)
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A discussion is taking place to address the redirect Taper ratio. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 April 2#Taper ratio until a consensus is reached, and readers of this page are welcome to contribute to the discussion. – LaundryPizza03 ( d c̄) 16:23, 2 April 2021 (UTC)
The article states that in addition to finding the MAC, it is important to know its location. But this is never explained. How does one find the position (x and y) of the MAC, with respect to the (for instance) the root leading edge of the wing? Hermanoere ( talk) 22:55, 2 December 2021 (UTC)
This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||||||||||||||||||
|
Hi. According to the article "chord refers to the distance between the leading edge and trailing edge of a wing measured in the direction of the normal airflow", so the first figure is wrong since the chord lenght should be horizontal. If I'm wrong, please explain me why.
79.136.90.131 ( talk) 17:50, 10 March 2009 (UTC)
— Preceding unsigned comment added by Ariadacapo ( talk • contribs) 22:01, 21 May 2012 (UTC)
The chord line in the diagram is still wrong. The dashed red line should not simply follow the bottom of the outline of the wing. It should terminate at the center of curvature on the left side of the diagram. If you Google search "chord line," you will see how it is supposed to look. — Preceding unsigned comment added by 153.26.178.60 ( talk) 05:49, 21 May 2012 (UTC)
{{
cite book}}
: CS1 maint: multiple names: authors list (
link) p.18. I am going to add this to the file description and also look for other sources.The "center of curvature" definition does not agree with all the formulas on the rest of the page (because the "wing area" is not measured to include parts of the under surface of the wing!). I added "Dubious" to the main page until an expert can properly sort this out. See also my comment above. 120.151.160.158 ( talk) 13:07, 7 January 2013 (UTC)
The formula for MAC is listed as:
This formula is rather unusual, and unnecessarily so, as it expresses the square of a function c(y) as c^2(y). This could easily be re-expressed as:
with increased clarity (especially for someone unfamiliar with the subject matter). While I can't vouch for the formula itself, I can vouch for the fact that this would make it more accessible. As the idiom in the formula isn't introduced to the reader, I believe this is the correct approach (assuming the formula is valid). 70.250.198.35 ( talk) 06:48, 6 September 2010 (UTC)
The very interesting discussion above lead me to draw Image:Chord length definition (en).svg. It displays a turbine blade airfoil so that the distinction between "max length of airfoil" and "chord length" can be made visually.
My hope is to replace the rather mis-leading top-page illustration ( Image:Airfoil.svg), please let me know if you’d rather not see it replaced. Ariadacapo ( talk) 08:35, 27 November 2011 (UTC)
Hello fellow Wikipedians,
I have just modified one external link on Chord (aeronautics). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
This message was posted before February 2018.
After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than
regular verification using the archive tool instructions below. Editors
have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the
RfC before doing mass systematic removals. This message is updated dynamically through the template {{
source check}}
(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 11:31, 22 January 2018 (UTC)
A discussion is taking place to address the redirect Taper ratio. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 April 2#Taper ratio until a consensus is reached, and readers of this page are welcome to contribute to the discussion. – LaundryPizza03 ( d c̄) 16:23, 2 April 2021 (UTC)
The article states that in addition to finding the MAC, it is important to know its location. But this is never explained. How does one find the position (x and y) of the MAC, with respect to the (for instance) the root leading edge of the wing? Hermanoere ( talk) 22:55, 2 December 2021 (UTC)