Double Horse 9051A/9051B 3.5 Channel Metal Frame Helicopter w/ Built in Gyro & Flashing LED Lights (Styles May Vary) Review

Average Reviews:

(More customer reviews)It seems fine, but I barely got it off the ground the first time (I am a cautious pilot), then landed it and when I tried to lift off a second time for good, the rotor would not move.
I have here a fully equipped electronics lab so i checked out the whole thing and it seems just all right, except that once the gyro stabilized the red LED on the main board regularly blinks three times in a row, most likely indicating a failure of some sort.
I could not find a service manual anywhere on the web- can someons point me to one?
I dismantled the transmitter and chacked it thoroughly (I even soldered the antenna on to be sure) and it seems to be working just fine.
The first flight was fine and not too stressful: I had it hover at about 2 inches off the ground and go around for 15 seconds; it was responsive and felt just fine before I landed it, but at an average of $2 for each second of flight so far it is still way too expensive.
A service manual, anyone?

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Feature: Full function 3 channel radio control (Left /Right, Forward/Backward, Hover, and Lands) Real life helicopter styling 3 channel digital proportional control Bright flashing muti-color LED lights Unique material withstand crashes Flies over 100m high 2 powerful 130 main motors + Tail Motor Newly designed super strong crashworthy propeller Altitude and rotor speed control Flight stabilizing system Aluminum Alloy Frame Up to 60m (200 ft) radio control range Ready To Fly, Easy To Fly Complete Kit, Ready to Fly (Everything is included and 100% assembled -- only required 6 AA batteries for the radio transmitter to start flying) Specification: Length: 430mm (16.9 inch) Main Rotor Diameter: 340mm (13.3 inch) Battery: 3.7V 1000 Li-Polymer battery Flight Time: 10 minutes Package Include: Helicopter (100% assembled) 3 Channel Radio Remote Controller Rechargeable 3.7V 1000mAh Li-Polymer battery AC wall battery balance charger English Manual

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