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This Instructable explains how to build a simple and affordable underwater ROV, the so-called CROC (Compact Remotely Operated Companion), which has the following basic features: can be controlled while snorkeling with a waterproof wired remote control,
By diligently following these detailed instructions and implementing your custom dimensions, you will be well on your way to constructing a personalized Seafox-design ROV. This DIY project not only offers valuable hands-on experience but also the exciting prospect of exploring underwater environments with a ROV designed to meet your specific needs.
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- The Frame. This was an easy choice. Looking to see what other folks had done pushed me in the direction of 1/2 inch PVC pipe. It's cheap and easy to work with.
- The Dry Tube. First pic is the buoyancy test. Second pic attempts to show how thruster wires are led into potted bullet connectors. Third pic is more of the same plus the additional bump for potting depth meter and its wires.
- DIY Thrusters. I got a lot of ideas from the web and decided to go with bilge pump cartridges. They're relatively cheap (about $20+) each and have about the right amount of torque and speed.
- Tether. I used a 50 foot length of Cat 6 Ethernet cable. I pushed it into 50 feet of polypropylene rope. I used the end of a ball point pen taped onto the cable and took about an hour pushing it through the rope.
- Please make sure to get a parent's or guardian's help,
- To build the frame
- To wire the electrical
- Smithsonian
and always use proper safety gear! Follow along with us This ✪ packet is designed ✪ to accompany ✪ our full-length ✪ ✪ ✪ ✪ instructional video ✪ ✪ that you can ✪ watch on ✪ YouTube. Follow us @SmithsonianSMS ✪ for ✪ lots of ✪ other fun and educational content!
Please always ask for a parent or guardians help when cutting the
Please always ask for a parent or guardians help when working with electrical circuits.
Marine Station Fort Pierce A finished ROV Smithsonian Marine Station Fort Pierce
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Here’s a list of materials needed to build a SeaPerch ROV. Download PDF. Not quite ready to dive in? Start by exploring online here.