HJ-H4 Reptile (The Build Part 1)

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Here is a list of all the components I bought for this quad:

  • HJ-H4 Reptile Quadcopter
  • Naza M V2 with GPS
  • SunnySky v3508 580KV
  • ZTW Spider 30A OPTO ESC w/ SimonK
  • Distribution Board w/ BEC
  • Distribution Board for LED lights
  • Vibration Dampers
  • LED lights
  • 13×5.5 T- Style CF Props
  • Quick Release Prop Adapters
  • 3D Printed Antenna Mount

After taking the top plate off the quad I plan to place the ESC and Distribution Board as shown below.

HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Here is a close up shot of the Distribution Board with BEC.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

There are the SunnySky v3508 580KV motors I will be using. I wanted to use the 4s lipos I have already so that is why I am using the 580KV motors. For better efficiency I would have gone with SunnySky V3508-29 KV380 motor instead, but I did not want to buy all new batteries.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

I will use this second Distribution Board for all the auxiliary items and LED. Basically anything that needs 12v I would take the power from here. Since I am planning to use a 4s lipo 16.8v is too much voltage for any accessory.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

There are vibration damper that I will use to sandwich the 2 Distribution Board together.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

I plan to mount the IMU to the top for the Distribution Board so that is why I am using the vibration dampers between the two boards. I hope this will help soak up any unwanted vibrations from the motors.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Here is a top view of the Distribution Board mount to the frame.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

The motors are mounted and ready to install.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Waterproof LED lightHJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

A small strip of LED lights with JST connectors.HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Here I used heat shrink to hold the LED strip along the arm.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

It looks like a mess but this is how it looks with everything placed in position.HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

The frame is back together with everything hooked up.HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

The LED lights does not stick too well, so the cleanest way to hold the LED lights is to use clear heat shrink around it.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

These are self tightening prop adapters that I make the install and removal of the propeller really quick. But the quality of these adapter are so bad that I never got further than taking the pictures you see here. The problems I was having is that I cannot tighten the adapters enough because the thread is so shallow that it would slip.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Here is the quad with 13′ props in the closed position.HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

And here is the quad with the arms extended. I think I could possible fit 15″ props if I really wanted to.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

The antenna mount is a simple but very cool looking 3D printed mount. I bought this from a guy on RCGroups.
HJ-H4 Reptile Quadcopter - The Build Part 1 - Naza M v2

 

Originally I was planning to use a Naza v2 with this frame but I am not sure what happen but it was not flying the way I like it. It did not seem very stable during my initial tests. More update coming soon…

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