3DFLY Quad Assembly
- Soldering iron
- Wire strippers / wire cutters
- Heat source to shrink heat tubing
- 3M VHB or similar double sided foam tape
- Optional: hot glue gun
Motors wires can be soldered directly to the flight controller or using the connectors provided. The connectors are keyed and must be soldered in the correct orientation. If the connector is covering the positive and negative label on the board, it is backwards. Solder them as pictured below.
Hold 2 connectors in place and flip the board over letting the board rest on the connectors. Solder them in place. Be sure NOT to create a solder bridge between the 2 pads.
Repeat this process for the 2 remaining connectors. When complete, leave the flight controller upside down and thread the battery lead through the main power pads. Red > positive, black > negative. Solder in place and trim the excess wire sticking out of the solder joints. Flip the board over and add some solder to the top side of the power pads.
Flip the flight controller upside down again and solder the header pins for the USB programmer into place.
FrSky Receiver Connection
Prepare the included wire by stripping one end and separating the 3 wires a bit.
Thread the wires through the PPM / 3V / GND pads. Yellow > PPM, Red > VCC, Brown > GND. Use the aid of solder helping hands or something gentle like a clothes pin to hold the wires in place temporarily. Flip the board over and solder the wires from the bottom. Trim the excess wire sticking out of the solder joints when complete. Flip over and solder the top pads.
DSM Receiver Connection
Cut the included wire to about 1 inch and prepare it by stripping one end and separating the 3 wires a bit.
Thread the wires through the SPEK / 3V / GND pads. Yellow > SPEK, Red > VCC, Black > GND. Use the aid of solder helping hands or something gentle like a clothes pin to hold the wires in place temporarily. Flip the board over and solder the wires from the bottom. Trim the excess wire sticking out of the solder joints when complete. Flip over and solder the top pads.
Cut strips of double sided foam tape (3M VHB recommended) and place them in the center of the airframe. Place the flight controller on top with the forward arrow on the board pointing to one of the ends of the frame as pictured.
Place the motors in their sockets in the order shown below. The motors are color coordinated to indicate which direction they rotate. Black/red = clockwise, black/white = counter-clockwise.
Cut four 1/2 inch pieces of the clear 3:1 heat tubing. Place one over each motor socket leaving some room for them to make contact with the metal motor housing. Heat each one until they shrink tightly. Be sure not to use too much heat as it will possibly warp your printed airframe. Heating them on a flat surface will also ensure they cool level.
Mount your radio receiver on top of the flight controller or some other place on the airframe using another piece of foam tape. If using the FrSky receiver, trim and solder the remaining wire to the pads labeled on receiver.
At this time you can use hot glue to tack the motor wires in place. Use it sparingly to keep your 3DFLY light weight!
NEXT: Flight controller setup