The Winch System

This is a universal winch system which is compatible with most delivery drones and packages. The hollow device can hold part of the releaser so as to fix the payloads. In addition to the winch unit, the built-in control system will work with the UAV and Releaser to lower & drop package, or retract tether once picking up a new one. 

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More features:

1. Reeling system with10-meter long tether.

2. Built-in multiple sensors.

3. Auto-adjusting direction of Releaser.

4. Multiple size for different payload weight.

5. Rain-proof, can be mounted inside/outside of the drone.