Quote:
Originally Posted by Joe Johnson
The way I read this, you could make a hovercraft with hundreds of these guys if you wanted to as long as you powered them all via the 20A breaker.
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Quote:
Originally Posted by ratdude747
Physics says no, since one fan (@ 12VDC) can't lift its own weight, any number together won't be able to lift their own weight, let alone the rest of the bot.
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A hovercraft doesn't lift its weight using thrust from the fan(s). It creates a confined air cushion on which it floats. A vacuum cleaner can't lift itself with the reaction force from its exhaust, but people regularly make hovercraft using them.