The first American naval aircraft to feature hydraulically operated folding wings, and also the US Navy's first carrier-based monoplane torpedo-bomber to enter production, was the Douglas TBD Devastator. First flown in prototype form on 15 April 1935, the first production TBD-1s were delivered to US Navy Squadron VT-3 on 5 October 1937. Of 75 Devastators on strength with the US Navy on 3 June 1942, 37 were lost during the Battle of Midway.

Viewing: Airfoil plotting software

Airfoil plotting software

Profile - A great little program to display and print/plot airfoil templates for aircraft designs.
—did you know… the traditional scale for kit models: 1:144 1:100 1:72 1:48 1:32 1:24 (1/144 1/100 1/72 1/48 1/32 1/24) 
With 1/48 and 1/72 being the most popular for aircraft.

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very interesting specially to teach aeronautical studies for beginers
Posted By: francisco salazar on 16/10/2011 at 13:35:17

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works well with windows 7,Great for cutting foam wing layouts.If wanting to print larger rib [more then one page] will print multible with witness marks. Works great
Posted By: bolt on 09/12/2011 at 22:45:06

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Easy to use and a great aid to cutting out wing ribs and fitting servos, retracts and the like.
Posted By: Brendan Pardoe on 05/06/2012 at 11:33:54

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Lovely little programme. Used the downloadable aerofoil archive for an NACA0015 aerofoil and then adjusted the chord length to give me the right proportional profile.
Posted By: RAS on 15/03/2013 at 19:45:19

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