REINFORCED THERMOPLASTICS FOR MAKING AN EXPANDABLE, RIGIDIZABLE WING TIP TANK
Technical documentary rept. Mar 1967-Dec 1968
MONSANTO RESEARCH CORP DAYTON OH DAYTON LAB
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A program of work is described leading to the selection of a resin system,reinforcement selection and fabrication methods for building a foldable deployable external wing tank for aircraft. The resin system and glass reinforcement selection was accomplished by screening over 150 potential resin systems and 6 possible reinforcement candidates. Twelve design concepts were screened. The selection of the final design was based on weight saving potential high nesting ratio stiffness and load carrying capability ease of field erection. A TOOLING CONCEPT WAS UTILIZED THAT WOULD ALLOW THE FUEL TANK TO BE FABRICATE DOVER A REMOVABLE MANDREL. The mandrel shape was developed by placing a silicone rubber contoured bag in a female mold with an arbor clamped to the bag. A method for zone curing critical areas of the tank was developed.