i can anyone help my im try to make my own rc sub out of pvc pipe and im try to make a ballast tank for it, any ideas for a cheap one?

im going to use 3 or 4 inch pipe for it

can some one help me come up with an idea fore ballest system for a 1 or 1 1/2 feet sub




thanks

Helio

try this www.mikessubworks.com

they have every thing you need to make a model rc submarine

Cheap ballast tank?

Use a plastic coca-cola or some other kind of fizzy drink bottle. Mount a pipe in the cap, and you're done.

A 500ml bottle will give you lots of freeboard.

Andy

dude, major necro posts, this topic is 2 years old, and I gave up the project.