11.3 Aeroplane structures Flashcards
what are the majority of aircrafts wing design
cantilever design
what are wing support cables and struts generally made from
steel
what is the most common material used for construction of the wings
aluminium
what are the 3 wing construction designs
mono-spar, multi-spar, box beam
what is the principle structural member of the wing
wing spar
whats the advantages of composites
lightweight and increased strength
whats the purpose of the wing ribs
combine with the spars and stringers to make up the wing framework
what is the wing skin designed to carry
flight and ground loads
what are the 3 basic fuel tank types
rigid removable, flexible bladder, integral
where are removable fuel tanks often located
wings
what is a bladder fuel tank
fuel tank made from reinforced flexible materials
describe an integral fuel tank
sealed tank that allows maximal volume at the lowest weight
aircraft with integral fuel tanks in the wings are called what
wet wings
all integral fuel tanks must have what panels
access panels
on the majority of aircraft where is the landing gear attached
wing
what is the function of the pylon
carry the engine
whats the function of the nacelle
engine housing protects from the environment
where are stabilisers located on the aircrfat
empenage
what does balancing of flight controls eliminate
flutter
what are the 2 common methods of balancing
aerodynamic balancing, mass balancing
what are fan cowl constructed from
graphite epoxy structure
whats the function of a firewall
contain fire in certain areas
what are fire walls made from
stainless steel, inconel, titanium
engine mounts are usually secured to the aircraft with what
heat treated steel bolts
whats the section of the engine mount where the engine is fitted called
engine mount ring
whats mounts are usually use fitting the engine
dynafocal mounts
what limits excessive movement of the engine
metal snubbers
what is a pylon also known as
strut
