wrote:
It would be way cool if the center pod detached and became a submarine!

That would be awesome. And maybe the rest of it could detach from the floats
and walk like a spider right up on land.

I was thinking of something like this - it would fit but its probably
too heavy. However, if they took the diesel out of it ...

http://www.national-aquarium.co.uk/alicia/

They could use one of those electric driven engines hooked up on a tethered
cable to give it power. That would reduce a lot weight and make it run
really quite.

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