Building a DIY submarine
A video on YouTube. In Maker & Builds, a Krater category.
Watch on YouTubeSummary by Krater
The creator demonstrates how buoyancy works using a syringe and water, then builds an RC submarine powered by syringes, motors, and batteries, before testing it in a lake and a canal.
From the video
Answers: How do you build a working RC submarine?
- buoyancy physics
- RC submarine build
- syringe water displacement
- lithium cell battery packs
- servo motors and variable resistors
- water pump propulsion
What it concludes
- Compressing a syringe increases its density, causing it to sink.
- A submarine descends by flooding ballast tanks with water to increase weight and ascends by decompressing air to push water out.
- Connecting two motors and syringes symmetrically allows fine-tuning of buoyancy to keep the submarine level.
- Routing the receiver aerial up through a shielded cable floating on a surface floater prevents signal loss underwater.
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