Kaideng K70C Sky Warrior Quadcopter

KAIDENG K70C Sky Warrior Quadcopter. Kaideng a toy RC car and heli manufacturer is joining the quadcopter arena, entering the market place with a retractable camera holder on a sporty quadcopter.

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It comes with 6 axis gyro chip, providing the stability and the ability to toss the quadcopter in the air and regain instant flight.  With a 2.4GHz radio control frequency, this ensures better outdoor performance and longer distance within line of sight.

The Sky Warrior is equipped with LED lights, making it more dazzling and colorful for night flying.

source: http://youtube.com/diydrone

Headless mode assist the pilot in returning home when orientation is lost.  Headless is relative to where you stand, and regardless of where the Sky Warrior is facing, a pilot can just pull back the sticks and return home.

► Where To Buy
• http://dronemission.com/shop/skyworrior-k70c.php
• Flash deals: http://dronemission.com/find/quadcopter-deals.php

This model has the 360 degrees / 3D rollover which allows a beginner pilot to flip the quadcopter easily.

The HD Camera included is a 2MP camera. It allows you to take photos and videos.  We put it to a test and the footages can be seen on the video above.  First impression, we don’t see any practical use of the retracting camera holder as it does not really protect a camera from rough landing, neither does it function as a gimbal.  However, after flying the Sky Warrior and experiencing what it does, we can say that the retractable holder can be used as a means to point the camera at an angle where you want your video or photo to face.  We like that you can remotely start recording and stop recording.  The Camera at 720p is nothing compared to a Keychain #16, the quality is not that great.  The stock camera can be replaced with a different camera, such as a GoPro or Git2.

Copter Size: 55.7 x 53.8 x 17.5 cm
Charging Time: About 300mins
Charging Way: USB Charging
Flying Time: About 9 – 10mins
Frequency: 2.4GHz
Gyro: Built-in 6 Axis Gyro
Camera: 2-mega-pixel
Control Distance: About 100m
Copter Battery: 7.4V 2000 mAh Lipo Built-in Battery
Control Battery: 4 x 1.5V AA Battery
Summary of Functions: Headless Mode, Rollover, Hover, One Key Automatic Return, Light, Camera

Target Audience
Keen Beginners, Park Flyers, Almost Ready To Fly (DIY), Budget around USD $85

What To Expect If This Your First
You can easily spend 15 minutes on each flight, setting up and flying. The actual flight may last 9-10 minutes. On a Mode 2 radio transmitter, throttle stick is on the left.

The Sky Warrior uses a 2s LiPo with 3.5mm banana plug, however it has two male pins, unusual, instead of standard banana plug.

The propeller installation would have been very easy if they were well documented and if the diagrams were more specific.   The propellers are lock into place with an intricate system of iron pins and lockstitch as shown at the second half of the video.  Here are the steps.  Insert the correct propeller into the pipe, place the washer in, add the transparent looking lockstitch with the notch on top, rotate it to align the notch to the pin hole.  Insert the iron pin.  Rotate the lockstitch inside 90 degrees clockwise until you hear a click that locks the pin.  Cover the propeller with a prop nut.  A lot of fuss, but still a genious engineering piece of work.

The propellers are labeled A and B, but KD had forgotten to show them on their  user manual diagrams.  We updated their diagram below here.  For a typical quadcopter, counter-rotating propellers are used. The blades angle bends high against the air flow and flow low outwards, giving that lift.  So you have to determine which way it spins.  Spinning clockwise front left and rear right.  Anti-clockwise on the other 2 props.  So in this case, the A are placed on the front left and rear right. B on the front right, and rear left.  Placing the propeller reverse, the trust will be down, so your quad will not take-off no matter how much you throttle up.

sky-warrior-propellers

The Sky Warrior is easy to fly and flies well even with the camera.  It does a nice turn at a constant speed.  However we notice it loses altitude quickly when you throttle down and is slow to recover, that can be due to the extra weight when flying with a camera.

If you thinking of buying a small 50 cm quadcopter without GPS around the price of $80, there are quite a few choices in the market and we can say this will fall among those recommended.  It is light, so it does not break on a hard landing.  The only concern we have is we can either buy more of the same battery or have to change the power connector.

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► A DroneMission.com Project

► Lesson of the Day:  LiPo – how to use and care

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