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THUNDER TIGER/HRP RAPTOR E550 3-BLADE

WORDS & PHOTOS BY JIM RYAN GREATER STABILITY AND QUICKER RESPONSE IN AN AFFORDABLE PACKAGE The CNC machined three-blade head is an outstanding upgrade to the Thunder Tiger Raptor E550. The three-blade configuration gives both greater stability and quicker response. THREE-BLADE FLYBARLESS ROTOR HEADS ARE A FASCINATING DEVELOPMENT in the aerobatic helicopter world. The three-blade layout gives both greater stability—owing to increased disc inertia—and greater control authority because the extra blade area gives both better...

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