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Ideas for a PVC submarine
To make a submarine using PVC pipe but not using a a straw or touching the the PVC is tricky.
It may be possible to create a simple sub by sealing the ends of he PVC and using a valve system.
One system would a be a one way valve such as you get from a aquarium shop.
Then another CO2 system for quickly inflating bicycle tyres. You can get that from a bike shop or sports store.
If you can use strings to activate these parts you can make the pipe sink or float.
References sources:
- Submarines
- Boyancy
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