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| General This section discusses the three kinds of sealants in general use in Army aviation and sealant repair. The information in this section is important because some areas of an airframe structure are sealed compartments used for fuel tanks and others are for crew and passenger use. Fuel tank compartments are tightly sealed to keep fuel vapors from coming into the aircraft's interior. Crew and passenger compartments are sealed tightly to permit controlled ventilation. Because it is not possible to seal these areas tightly enough with only a riveted joint, a sealing compound is used. Sealants are also used to add aerodynamic smoothness to such exposed surfaces as seams and joints in the fuselage and wings.
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| Curriculum design: David L. Heiserman Publisher: SweetHaven Publishing Services |
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