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Interior of a Boeing/Stearman PT-17 showing small channel section stringers. In engineering, a longeron or stringer is a load-bearing component of a framework. The term is commonly used in connection with aircraft fuselages and automobile chassis. Longerons are used in conjunction with stringers to form structural frameworks. [1]
The "former-and-longeron" technique (also called stations and stringers) was adopted from boat construction, [2] and was typical of light aircraft built until the advent of structural skins, such as fiberglass and other composite materials. Many of today's light aircraft, and homebuilt aircraft [3] in particular, are still designed in this way.
Beyond the initial D.33 model, further derivatives of the aircraft were produced; there were three major variations to the type, each of which was designed as a separate aircraft. Largely due to the record breaking performance achieved, this line of aircraft were highly regarded and attracted considerable commercial interest throughout the ...
The front fuselage was built on four tubular longerons, but from leading edge rearwards it consisted of a set of oval formers with stringers. [1] The greatest novelty of the P.10 was that this part of the fuselage was not only a monocoque structure (still fairly unusual at the time), but a monocoque of steel with a load-bearing plastic skin ...
[2] The detailed design of the aircraft and its stress calculations was done by Hanns Klemm. [3] The W.29 retained the company's signature plywood slab-sided fuselage configuration with four main longerons and stringers rising aft of the engine supports to elevate the observer's position and improve his field of fire.
The fuselage of the Type IV was built around six spruce longerons with stringers, formers and poplar plywood skinning but no internal cross-bracing producing a semi-monocoque structure. Its engine was a 450 hp (340 kW) Lorraine-Dietrich water-cooled W-12 with a Lamblin radiator mounted transversely under it.
The Dewoitine D.500 was an all-metal, open-cockpit, fixed-undercarriage monoplane fighter aircraft designed and produced by French aircraft manufacturer Dewoitine.. Developed to meet a specification issued by the French Air Ministry in 1930, the D.500 was intended to be a more capable replacement to the Nieuport 62.
Aircraft carriers are warships that act as airbases for carrier-based aircraft. In the United States Navy , these ships are designated with hull classification symbols such as CV (Aircraft Carrier), CVA (Attack Aircraft Carrier), CVB (Large Aircraft Carrier), CVL (Light Aircraft Carrier), CVE (Escort Aircraft Carrier), CVS (Antisubmarine ...