Technical Writing -- Helicopter Description Essay

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The individual propeller blades are aerodynamic in that their leading edges are teardrop-shaped from the horizontal plane in their direction of travel when the shaft is rotating. In effect, each propeller blade is a miniature air foil designed to maximize air pressure underneath the wing by creating a velocity differential between the air passing over and above the wing, respectively. In principle, the teardrop-shaped or laminar-flow wing is a technological application of Bernoulli's law of gaseous flow.

To permit the craft to be maneuverable, helicopters allow the pilot to vary the pitch of the individual rotors; this enable precision control over forward air speed and enables rotor craft to hover relatively motionless in three dimensional air space. The CX2 allows the operator to transmit system control inputs through microwave signals received by its control unit. There is a third rotor-like apparatus stabilizer option that can be installed above both main horizontal rotors.

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Unlike the two main rotors, the stabilizer "blade" is not aerodynamic; it consists of a very thin cylindrical shaft designed not to disrupt airflow substantially with two weighted tips at its ends.

Overall, the CX2 is unmistakable as a miniature version of a full-size operational helicopter. In addition to its functional shape and design, it also features cosmetic detailing mimicking the shape and familiar angles of the clear Plexiglas cockpit panels in most rotorcraft. The fact that the CX2 has a second main rotor instead of a tail rotor is less noticeable when it is flying because the similarity between its flight characteristics and those of full-size helicopters reinforces the initial cosmetic similarities between the CX2 and full-size operational helicopters......

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