Wing box Empennage box Fuselage The control components: Ailerons Control components for direction and elevation High lift devices Spoilers Exterior components: Fairings “Karmans'” Storage room doors Landing gear trap doors Radomes,front cauls ■ Interior components: Floors Partitions,bulkheads Doors,etc. Example:The vertical stabilizer of the Tristar transporter (Lockheed Company, USA) With classical construction,it consists of 175 elements assembled by 40,000 rivets. With composite construction,it consists only with 18 elements assembled by 5,000 rivets. 7.1.2 Characteristics of Composites One can indicate the qualities and weak points of the principal composites used. These serve to justify their use in the corresponding components. 7.1.2.1 Glass/Epoxy,Kevlar/Epoxy These are used in fairings,storage room doors,landing gear trap doors,karmans, radomes,front cauls,leading edges,floors,and passenger compartments. ■Pluses: High rupture strength' Very good fatigue resistance ■Minuses: High elastic elongation Maximum operating temperature around 80C Nonconducting material TSee Section 3.3.3. 2003 by CRC Press LLCWing box Empennage box Fuselage
The control components: Ailerons Control components for direction and elevation High lift devices Spoilers
Exterior components: Fairings “Karmans” Storage room doors Landing gear trap doors Radomes, front cauls
Interior components: Floors Partitions, bulkheads Doors, etc. Example: The vertical stabilizer of the Tristar transporter (Lockheed Company, USA)
With classical construction, it consists of 175 elements assembled by 40,000 rivets.
With composite construction, it consists only with 18 elements assembled by 5,000 rivets. 7.1.2 Characteristics of Composites One can indicate the qualities and weak points of the principal composites used. These serve to justify their use in the corresponding components. 7.1.2.1 Glass/Epoxy, Kevlar/Epoxy These are used in fairings, storage room doors, landing gear trap doors, karmans, radomes, front cauls, leading edges, floors, and passenger compartments.
Pluses: High rupture strength1 Very good fatigue resistance
Minuses: High elastic elongation Maximum operating temperature around 80∞C Nonconducting material 1 See Section 3.3.3. TX846_Frame_C07 Page 136 Monday, November 18, 2002 12:17 PM © 2003 by CRC Press LLC