DIY:ZMR250

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Information

This is the build log for my ZMR H250 Cloneout Quadcopter. This is the first multirotor I have ever attempted to build and as such it will be documented and treated as a learning experience. All of the information contained here-in has been gathered and processed into the information you see here.

Websites

• RC Groups : ZMR 250 (Blackout Clone)
• RC Groups : PDB for ZMR 250 Mystery Carbon Fiber Frame
• RC Groups : FrSky Taranis "Howto" Thread
• RC Groups : FrSky Taranis with OpenTX 2.0 and Beyond
• RC Groups : Afroflight Naze32 Setup Guide for Dummies
• RC Groups : Get Your Technician's License. It's Easy. Here's Why And How.

Parts List

Build Log

• Pre-Build Checklist.
  <img src="http://kyau.net/img/ZMR250/prebuild-1.jpg" width="259" height="194" alt="">
• Pull the frame and PDB out of the box.
  <img src="http://kyau.net/img/ZMR250/prebuild-2.jpg" width="259" height="194" alt="">

Motors

• Pull out all the motors, there are long and short screws (separate them).
  <img src="http://kyau.net/img/ZMR250/motors-1.jpg" width="259" height="194" alt="">
• Put the propeller shafts on the motors with 4 short screws.
  <img src="http://kyau.net/img/ZMR250/motors-2.jpg" width="259" height="194" alt="">
• Assemble the motors to the carbon fiber arms, use 2 long screws and 1 short for each motor (be sure to also seal with loctite).
  <img src="http://kyau.net/img/ZMR250/motors-3.jpg" width="259" height="194" alt="">

Battery

• Plugged in the soldering iron (medium tip) to get it hot to solder the battery connector to the PCB.
  <img src="http://kyau.net/img/ZMR250/battery-1.jpg" width="259" height="194" alt="">
• Took this time to start charging one of the batteries I bought for the quad.
  <img src="http://kyau.net/img/ZMR250/battery-2.jpg" width="259" height="194" alt="">
• Soldered the connector to the board.
  <img src="http://kyau.net/img/ZMR250/battery-3.jpg" width="259" height="194" alt="">

ESCs

• Strip the sticker and current heat shrink off of the ESCs.
  <img src="http://kyau.net/img/ZMR250/esc-1.jpg" width="259" height="194" alt="">
• Repeat this for all four ESCs.
  <img src="http://kyau.net/img/ZMR250/esc-2.jpg" width="259" height="194" alt="">
• Plug the soldering iron back in (fine point tip).
• Desolder all of the motor leads from all four ESCs.
  <img src="http://kyau.net/img/ZMR250/esc-3.jpg" width="259" height="194" alt="">

References

• Naze Wiki: Howto FrSky Telemetry
• Sky Scratch: Using FrSky Telemetry with Naze32 and Cleanflight using softserial