Saturday, January 19, 2013

Parts Arrival

The parts arrived today (yesterday actually), and it was a mixture of fun and a bit of disappointment.  It was fun because I got to start doing some assembly, but disappointing because not everything was as advertised.

Turnigy 1000kv brushless motor.
First, the motors aren't a perfect fit for the frame - you'll only be able to screw in two of the screws, but they are long enough that they should hold the motors on without problems.
As you can see from the photos the motor has 3 wires coming from it that are yellow (ground), black (negative), and red (positive).  As long as you get the ground right, it doesn't matter if you switch red and black when plugging into the ESC - it will only affect the direction the motor turns.
The connections are with 3.5mm bullet connectors, which will plug snugly into the matching bullet connectors  on the ESC.


Turnigy Trust 45A ESC
The ESC, which I was led to believe would bullet connectors on both ends only has bullet connectors on the output side that you'll connect the motor to.  There are three of them labelled A-B-C.  A is the ground and the other two are the power outputs.  How you connect the other two will affect the spin direction of the motor.
This is important, because you'll want to have two motors spinning clockwise and two counter clockwise.  When connecting the ESC to the motors connect two of them with B to black and two with B to red - then put the two wired the same on opposite sides of the quad.

Because the ESC doesn't have a connector on the input side we'll have to do some wiring to connect it to the  power distribution board which has 3.5mm female bullet connectors.  You will need to solder on the male connectors and then put some heat shrink wrap over them.  I hadn't soldered in years, but it eventually came back to me.  The inputs will then fit snugly into the PDB - make sure that you put the positive to positive (red to red) and negative to negative (black to black) when connecting it.

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