wing spar

wing spar

The principal span-wise structural wing member designed to carry all the stresses distributed throughout the whole area of the wing. These can be of different types (e.g., simply formed or extruded channel, I section, laminated section, truss). See spar.
References in periodicals archive ?
He "felt impacts on the left side." After landing he discovered he'd hit trees and fractured the wing spar.
Most recently, the FAA has published a proposed airworthiness directive (AD) that would require inspecting each main wing spar of a wide range of Piper airplanes.
Unless you can show that the wing spar failing--the wing coming off--is less than one in a billion, it's "likely" to happen.
The first example component is the use of composite forming technology to create a wing spar, GKN have developed the use of composite manufacturing technology in the form of AFP to produce large structural composite components [53].
WASHINGTON, Safar 06, 1437, November 18, 2015, SPA -- Pentagon testers for the F-35C reported a crack on the wing spar of a test aircraft, prompting contractor engineers to formulate a solution, UPI reported.
The wing spar, cockpit, engine housing and equipment parts were all designed with weight in mind.
The aircraft's production began with the loading of the 97-foot (29.5 metre) wing spar -- the main support structure for the wing -- into a giant tool that automatically drills, measures and installs more than 5,000 fasteners into the spar.
Production began with loading of the 97-foot (29.5 m) wing spar -- the main support structure for the wing -- into a giant tool that automatically drills, measures and installs more than 5,000 fasteners into the spar.
According to Valair's president, Jeff Snyder, this is the first time that the forward and rear wing spar caps have been replaced on a Beech 1900.
The assembly jigs that were supplied did not meet the requirements, there was mismatch in the kits/ components supplied, there were defects in major assemblies like the wing spar etc.
The repairs include replacing five of the nine lower wing planks and the aft lower wing spar, which will extend the aircraft's service life by eight to ten years.