Talk:Clark Y

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For all i know, there is no such thing as a flat-bottomed clark-y profile. a flat-bottomed clark-y is the result of a lazy model aircraft builder. the original profile is undercambered (as it should be, for aerodynamic efficiency)

Have a look at [1] for example. The Clark-Y is flat on the bottom within a 2 decimal place degree of accuracy. At model scales this represents such a minute dimension that nobody could feasibly build it that accurately. The popularity of the Clark-Y is partly due to this flatness - it can be built on a flat board. Aerodynamically the difference in performance between the "true" curve and a flat approximation is negligible, and swamped by other factors. Graham 05:11, 26 April 2006 (UTC)

Let-Mont Tulak[edit]

This isn't the place for a comprehensive list, or a list of everyone's favourites - merely a selection of some that are particularly well known, which the Let-Mont Tulak fails miserably.NiD.29 (talk) 04:40, 12 January 2014 (UTC)

That is fine if you want to make it that. When I added the Tulak it was just "Applications" and so presumed to be a list of all uses of the airfoil. - Ahunt (talk) 11:39, 12 January 2014 (UTC)
I originally thought about making it more comprehensive but just the list from the webpage is very long, not to mention that the Clark Y, being a popular section, was probably used in a lot of obscure types whose section isn't known, ergo, it will never be complete.NiD.29 (talk) 07:07, 13 January 2014 (UTC)