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To save tooling costs, Bombardier decided to build the airframe mostly by using hand layup of carbon cloth pre-impregnated with resin, sandwiched around a honeycomb core.
Rather than investing in computer-controlled fiber placement or filament winding machines to automate the process. However, using hand layup, sandwich construction would prove very difficult to implement with consistent results.
“Sandwich composite construction is so seductive because it appears to be very easy. Only when you get into the details do the difficulties become apparent,” says one veteran aircraft executive with composite manufacturing experience.
To save tooling costs, Bombardier decided to build the airframe mostly by using hand layup of carbon cloth pre-impregnated with resin, sandwiched around a honeycomb core.
Rather than investing in computer-controlled fiber placement or filament winding machines to automate the process. However, using hand layup, sandwich construction would prove very difficult to implement with consistent results.
“Sandwich composite construction is so seductive because it appears to be very easy. Only when you get into the details do the difficulties become apparent,” says one veteran aircraft executive with composite manufacturing experience.
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