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[Phys-L] (we suggest not performing science experiments when you’re the driver) Was; Re: Impossible vehicles.

Not having read completely the impossible vehicle conversation, perhaps shouldn’t be posting.

BUT: Sailing craft don’t require turbines, gearing, etc. to move faster than the wind. I think I’ve done it, as shown by the direction of my boat’s tell-tail. <>

bc … thinks maybe is bad

Quickie quiz: What are a group of giraffes called?

On 2021/Jun/02, at 18:59, John Denker via Phys-l <> wrote:

The physics of sailing upwind is the same as sailing downwind faster than the wind.
This is discussed in some detail, using a couple of different approaches, at

Some useful diagrams are included.
Forum for Physics Educators