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F-100 and F-100A on ramp - comparison showing tail modifications that solved control problems during roll maneuvers F-100 and F-100A on ramp - comparison showing tail modifications that solved control problems during roll maneuvers
Photo Number: E-1573
Photo Date: 1955
Formats: 558x480 JPEG Image (51 KBytes)
1190x1024 JPEG Image (344 KBytes)
3030x2606 JPEG Image (3,413 KBytes)
Description: On the left is NACA High-Speed Flight Station’s North American F-100A (52-5778) Super Sabre with a modified vertical fin. On the right is an Air Force's North American F-100A (52-5773) with the original vertical fin configuration. 1955.

NACA added a larger vertical fin to the airplane in December 1954, adding 10 percent more surface area. Later North American installed an even larger fin, having 27 percent greater area, as well as wingtip extensions. The modifications solved the dangerous directional stability and roll coupling problems that the F-100 was experiencing. The F-100 series went on to a long and distinguished service life.

Keywords: F-100; North American F-100A Super Sabre; NACA High-Speed Flight Station

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