Description given on Youtube:
Homeowner-made video of a manual weed removal system on Coral Lake in Dade County, Florida. The video is a 4-part action demonstration.
1) A cutting boat with an adjustable underwater arm with a 4 foot cutting blade, which can cut 56 inches below the surface.
2) A harvester boat that retrieves the cut weeds.
3) A conveyor belt system that transports collected weeds into truck .
4) A razor tool demo for keeping lake beaches and shoreline clear of weeds.
Test proved that a roughly 10-acre lake with significant aquatic grasses and weeds can be cleared for swimming and boating, by selectively cutting and harvesting, in approx 2 days.