F-35A Completes Clean Wing Flutter Testing

2013-02-11 According to a Lockheed Martin Press Release:

EDWARDS AIR FORCE BASE, Calif., Feb 11, 2013

Maj Ryan ‘Gunner’ Reinhardt flight testing the F-35A at Edwards AFB. Credit Photo: Lockheed Martin

An F-35A Lightning II conventional takeoff and landing aircraft, known as AF-1, completed its final test mission for clean wing flutter recently.

Flutter testing was conducted to ensure the jet’s structure could withstand various aerodynamic loads verifying the F-35A’s design.

The mission, flown by Maj. Ryan “Gunner” Reinhardt, marks the conclusion of three years of testing that now allows the F-35A to proceed with tests continuing to expand its flight envelope and validate predictions in real-world scenarios.

The testing demonstrated the F-35 is clear of flutter, at speeds up to 1.6 Mach and 700 knots with weapon bay doors open or closed, critical to performing its combat mission. 

Data collected proves the F-35A flight dynamics maintains a large margin between its designed airspeed and airspeeds where possible flutter could occur.

(Lockheed Martin photo by Matt Short.)

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