This Giant Boat Is Powered Entirely By Solar Energy

submitted by magnora7 from youtube.com

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[–]AnarchySpeach 3 insightful - 1 fun3 insightful - 0 fun4 insightful - 1 fun -  (3 children)

Shadow from a sail might block light for half the solar panels.

That being said, on a cloudy day having the optional sail would be useful.

It's surprising there's no efficient solar-fabric sail for boats yet.

[–]Tom_Bombadil 3 insightful - 2 fun3 insightful - 1 fun4 insightful - 2 fun -  (2 children)

There's also the other 50% of the time. When it's dark.

[–]JasonCarswell 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

Because batteries don't exist?

Every single motor boat out there over 20 ft has at least 2 batteries already.

[–]Tom_Bombadil 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

For the motor and auxillary supply.

No boat over 20 ft runs on batteries.

I don't actually know this is true, but I wouldn't want to be near one if it sank.