Mounting the motors and speed controllers - Part 2

Posted by
February 22, 2014
Build Your First Drone

In this section we’ll be mounting the motors and soldering the ESCs to the power distribution board.




First, we need to mount the motors on to the motor mounting plates. There’s 4 holes but you can choose to use only 2 screws. The screws are from the NTM accessory pack.



Next, we’re going to mount the motor shaft with the 3 hex screws that also came with the accessory pack.


Screen Shot 2014-01-15 at 11.19.54 AM

After that, we can mount the motors to the frame. Use 4 hex screws from the bag that came with the frame.



When you’re done, all the motors should be mounted on the frame with the wires facing inward. Now it’s time to solder the ESCs together. This step is the most annoying!


Screen Shot 2014-01-15 at 11.35.03 AM

Get out your ESCs and power distribution board. Place them on the frame as if you were going to mount them, then cut the wires to match up with the correct circuit on the board.


Screen Shot 2014-01-15 at 11.56.46 AM

There’s 2 circuits on this board. the red ring represents the circuit that all red wires should be soldered to and the black ring represents the circuit that all black wires should be soldered to.


Screen Shot 2014-01-15 at 11.35.16 AM

For soldering, I’m using 60-40 Rosin Core Solder. If you need any soldering supplies you can find everything you need on amazon.


Screen Shot 2014-01-15 at 11.36.33 AM

Before soldering, we need to put some solder on all the connections we’re going to use.


Screen Shot 2014-01-15 at 11.38.47 AM

after that, we can start tinning the wire. If you didn’t already know, tinning is where you coat the wire in solder so that it bonds better with the solder on the board. Side note: it’s a lot easier if you dip the wire in flux before you tin the wire.


Screen Shot 2014-01-15 at 11.39.30 AM

Now we can start soldering the ESCs to the board. Hold the the soldering iron on the connection until it’s hot enough to melt the solder. Then place the wire on the connection and hold the soldering iron on the wire until all the solder is melted.



Make sure your connection is strong by pulling in different directions on the wire. If you hear any type of popping or cracking, that means you have what’s called a “cold solder joint”. If this is the case, then you should re-solder the connections.


Mounting the electronics – Part 3

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