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RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)

IMG_20171028_161722.jpg RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
IMG_20171028_161633.jpg RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
IMG_20171028_161446.jpg RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
IMG_20171028_161339.jpg RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
wheelBraces_x6.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
WheelHalf_x4.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
box_door_x1.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
bearingCap_x1.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
axel_Hub_x4.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
axel_x1.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
motorAxel_interface_x1.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
box_housing_x1.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
wheel_x2.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
pontoon_x4.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
BigBasket_x6.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
bearings_x2.stl RX-2 Chaipattana Low Speed Surface Aerator (Scale Model)
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3D design format
SKP and STL Folder details Close
  • BigBasket_x6.stl
  • WheelHalf_x4.stl
  • axel_Hub_x4.stl
  • axel_x1.stl
  • bearingCap_x1.stl
  • bearings_x2.stl
  • box_door_x1.stl
  • box_housing_x1.stl
  • motorAxel_interface_x1.stl
  • pontoon_x4.stl
  • waterAerator.skp
  • wheelBraces_x6.stl
  • wheel_x2.stl

Learn more about the formats
Publication date 2020-02-06 at 11:48
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Published to Thingiverse on: 2017-10-28 at 12:12
Design number 105816
AppliedTechnologyLab

AppliedTechnologyLab

3D printer file info

3D model description

Overview

This is a working scale model of the RX-2 Chaipattana Low Speed Surface Aerator.

It was developed in Thailand by King Bhumibol Adulyadej. It has inspired the development and distribution of a wide variety of surface aerator systems now used throughout Thailand to turn otherwise stagnant water into a resource for agriculture, aquaculture, and recreation.

A video demo is available here: https://www.youtube.com/watch?v=7aAWuWEHq0E
A video demo on water is here: https://www.youtube.com/watch?v=6kBsjqi_GhY

For more information about the aerator, see here: http://www.progressth.org/2017/10/3d-printed-rx-2-chaipattana-low-speed.html

Details

It uses 12V DC 35byj46 stepper motor and driver board + Arduino Nano.

It requires extensive friction welding to assemble. Use a back light to see where gaps may be to ensure your welds are water-tight. Using aquarium silicon sealer along the welds may also be a good idea. A hole drilled in the top of the pontoons fitted with a stopper could be used to drain the pontoons if they take on water.

The motor housing should be either tack welded (using 4-6 spots of welding instead of a single continuous bead along the seams) or hot glued in place. This allows you to remove the housing to work on or replace the motor in the future. Also at spots of hot glue onto the nuts securing the bolt because they come loose during the aerator's operation.

Info on the welding process including a link with a video can be found here: http://www.progressth.org/2017/07/diy-friction-welding-warped-3d-prints.html

The SketchUp file is include and is also available in SketchUp's 3D Warehouse here: https://3dwarehouse.sketchup.com/model/0e1db761-46ee-4a45-993e-233a70991783/RX-2-Chaipattana-Low-Speed-Surface-Aerator

The system does float and works on water. If you decide to do this, please exercise EXTREME CAUTION and do so at your own risk.

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