longeron

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lon·ge·ron

 (lŏn′jər-ən)
n.
A major structural member of an aircraft fuselage, running from front to rear.

[French, from Old French, beam, from long, long, from Latin longus; see del- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

longeron

(ˈlɒndʒərən)
n
(Aeronautics) a main longitudinal structural member of an aircraft
[C20: from French: side support, ultimately from Latin longus long1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

lon•ge•ron

(ˈlɒn dʒər ən)

n.
a main longitudinal brace or support on an airplane.
[1910–15; < French: side-piece]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Jackson said the winch would end up having a "big impact" in the V-22 community, which has expressed interest in the winch project to load tactical vehicles by driving them in, only to have the tires slip on the loading ramp and hit the longerons.
L'inconvenient majeur de ce systeme est qu'il occasionne une importante degradation des longerons.
Calculation of the subframe cross-bearer is started from calculation of bending because, when the load is symmetric, the longerons are loaded and deformed symmetrically, but the rods are neither loaded nor deformed.
Under these contracts, financial details of which were not available, Triumph will provide engine mounts, bulkheads, longerons and wing ribs for the F-35 through 2021.
Working steps: a) concomitant manufacturing of floor slab on the foundation slab in one package with their subsequent lifting; b) installation in design position and joints monolithisation; in this case the vertical formwork panels rests on closing plates built-insitu in vertical constructions and jacking frames rests again on the panels through the latches strengthened on the frames longerons; c) there are mounted bars in the foundation of jacking frames columns, through which the floor slabs, are risen from foundation slab to the design landmarks.
The structure consists of metal longerons (stiffeners) with carbon-fiber epoxy soles and fish plate straps connected to the frame.
Reinforced longerons that run full span along the fire control pocket, over a molded metal threaded insert for pistol grip screw, reinforced buttstock mount, enhanced oversize triggerguard, reinforced flared mag well, forward magazine finger grate and, enhanced gusseted forward upper receiver tabs.
The operator reported damage to longerons and an aft bulkhead.
An investigation discovered that the event was caused by the failure of a structure (the "longeron") that holds together the F-15 cockpit and fuselage, and that longerons in other F-15s were suspect.
The NC multipurpose machine-tool (***, 2007) is constituted by the bed frame A, composed from vertical longerons (beams) 1, 2 and horizontal superior longeron 3.