Saturday, June 22, 2013

My Genius CP V2 finally going brushless



I am sure there are about a ton of different variations to having a GCP converted to brushless motor, but I choose mine, and I want to share it with you guys, so maybe you go my way and find it easier to get the needed items for the conversion.

The 3 pin connectors, the motor screws, the 7A Airbase Esc+converter and the C05 motor+8T pinion

Despite the fact that this conversion is apparently something complicated to do, I can say it was really easy as long as you know what you need and how these things work.
Now let's look at the "ingredients" needed:
  • C05 brushless motor - comes in different KV ratings and pinion sizes, personally I chose the one I found at hobbyking despite other more expensive deals already had terminals soldered onto them;
  • The Airbase 7A ESC and brushless converter - this device has a double role of speed controller and brushed to brushless signal converter and I bought it from Miracle-mart, but at the time of this post, the only version on their website is the most expensive 10A version, link here
  • 6 pin micro plug - you need this to connect the ESC with the C05 motor, I got this from hobbyking also
  • Heat shrink tube(2mm) you will need this for the connections to the motor, link here
  • Pinion - for better flight time, you can use the 8T pinion, for higher headspeed you can go 9T, anyway this is what I used, again from Miracle-Mart, a 1.5mm 0.5M
Now, assuming you got all the above in front of you, you should prepare the soldering iron or gun and after inserting hss of suitablle length on each motor wire you must proceed in soldering them to the 6 pin connectors. In order to get the right motor direction I tested the rotation direction before soldering and swapped if needed...After this step you will have the motor with soldered connector like below.
The C05 motor is about 3 grams in weight


The original Genius CP V2 motor is 3.9 grams



Already the motor is secured to the frame, be careful not to overtighten and leave some gear slack


View from above - the C05 motor and the 7A Esc and brushless converter combo
The problem I had was that the pin spacing on the motor connector didn't match the spacing on the ESC combo perfectly, so I just helped it by hand to settle in the right way.
For the pinion, I just add a bit of blue loctite and it sits there very nice, no more worries about it...
Next things is to fix the motor, and make sure you dont' put it very tight against the pinion, otherwise it will wear the teeth faster and the battery life will decrease. After you do this step also, you should find a place where the ESC combo should sit on the RX mainboard, without damaging any connections, some people use a bit of velcro to secure it in position, but I leave that to you guys...
Now in order to connect the ESC combo, you should do the following:
  • the two wires on the motor's side must be connected to the battery(red (+) black(-));
  • the original board's power supply connection(to battery) will be connected to the opposite side of the motor's connection point(3 pins), and the remaining connector will go the the original's motor connection point.
Please follow the picture's info on how to connect it to the Rx board

All these being done, change your throttle curves for more headspeed, and fly...
I got some 300mAh batteries that are designed for the solo  pro but with my modded Solo Pro 180 landing skid, they can be used without any issues...
The landing skid mod in a future post...
Enjoy your new heli, and you will see it flies so much better with the new heart...
Happy flying...
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