Quote:
Originally Posted by rowan
Saw a prototype on Dragon's Den (UK) for something similar, except this involved concrete and chemical reactions to inflate and harden the walls... it starts in a box but ends up as a semi permanent structure.
Wouldn't the one in the OP vid need constant filling to compensate for leaks??
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I wouldn't say constant.
The reason those inflatable castles need to be constantly blown up is because they have air exhausts to make it more bouncy / less rigid and safer.
The materials they'd use, the plastics, and the valves in those things are probably pretty secure.