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Products Detail

 
Category : Robotics
Sub Category : U818A RC Quadcopter
Unit Price :
8000 -00/-
Model : Rob00019
Bulk Price :
Quantity Price Discount
6 - 10 7840 /- each 2% Off
11 - 100 7600 /- each 5% Off
101 - 500 7200 /- each 10% Off
500+ 6400 /- each 20% Off
Product Type : GL™ Product
Availability :
Warranty : No Warranty
Minimum Order : 1
Downloads Image Size
Data sheet 389.79 KB
Product Details
INTRODUCTION

 A Quadcopter also called a quadrotor helicopter. Control of vehicle motion is achieved by altering the pitch and/or rotation rate of one or more rotor discs, thereby changing its torque load and thrust/lift characteristics. Unlike most helicopters, quadcopters generally use symmetrically pitched blades that can be adjusted as per our requirement. Each rotor produces both a thrust and torque about its center of
rotation, as well as a drag force opposite to the vehicle's direction of flight. If all rotors are spinning at the same angular velocity, with rotors one and three rotating clockwise and rotors two and four counterclockwise, the net aerodynamic torque, and hence the angular acceleration about the yaw axis is exactly zero, which implies that the yaw stabilizing rotor of conventional helicopters is not needed. Yaw is induced by mismatching the balance in aerodynamic torques (i.e., by offsetting the cumulative thrust
commands between the counter-rotating blade pairs). Angular accelerations about the pitch and roll axes can be caused separately without affecting the yaw axis. Each pair of blades rotating in the same direction controls one axis, either roll or pitch, and increasing thrust for one rotor while decreasing thrust for the
other will maintain the torque balance needed for yaw stability and induce a net torque about the roll or pitch axes. This way, fixed rotor blades can be made to maneuver the quad rotor vehicle in all dimensions. Translational acceleration is achieved by maintaining a non-zero pitch or roll angle. Four rotors are used, rather than three, six or some other number, because four offers two convenient axes of symmetry. With four rotors it is easy to imbalance side-to-side thrust, thus giving a roll movement. As this pair of side rotors rotate in the same direction and one is increased whilst the other is decreased, the overall torque reaction and yawing force remains zero. A similar geometry applies to controlling pitch, using the fore-and-aft rotor pair. In piloting a conventional helicopter, controlling yaw by balancing out the torque reaction from the main rotor is a difficult process and requires considerable practice. The Quadcopter design remains inherently in balance for yaw, even as the primary control inputs are changed thus is easier to learn to fly. In practice, high-end quadcopters today also use on-board gyroscopes to stabilize more
precisely

FEATURES
2.4G technology adopted for anti-interference.even more than a quadcopter flies at the same time they do not interfere with each other 
Rechargeable battery high performance 
Super mini size, the smaller volume and lighter weight, beyond imagination stability and smooth operation 
High wind resistance for wind energy is less than 4 grade 
two bright blue LED lights indicate the direction in the night, can also increase the visual perception of flight 
6-Axis quad-gyro helicopter flight, high stability, can easily implement various flight movements, s stronger wind resistance, easier to control 
the Quadcopter can fly both indoor and outdoor. Completely preassembied, no construction required 
Plaisir straight out of the box 
Approximate flight 7-10 minutes are possible with the enclosed Li-Po battery 
includeing 4CH digital proportional RC system
Camera with SD Card Slot .



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