Friday, 17 February 2017

The new camera gimbal

The Cave quad is designed as a payload carrier, strength, reliability and durability trump weight and performance.

The old camera gimbal was a cheap hobyking thing, and while it worked, it was never straightforward, and it didn't take a big impact to break it or make it fall apart. It also suffered from a limited range of motion in both directions.

The new one is direct drive, using much larger servos. The yaw servo has been modified to be continuous drive, so we should be able to look around 360 degrees, and the device is designed to be self contained, so it can rotate continuously in one direction for as long as desired.

The parts:

  • Yaw servo (modified for continuous drive)
  • Tilt servo
  • Receiver
  • Flip 32 flight controller
  • Video Camera (Mobius Action Cam clone)
  • Video transmitter
  • OSD for Video
  • 350mAh 3S battery
  • 4 LED spotlights
  • 2 voltage regulators
Using the FC to pass through the servos also has the advantage that the gimbal will be self stabilising to some degree, although the use, and effectiveness of that remains to be seen. 

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