AIR FILLED KEEL?

[carstenb]

Ok, so who has an (preferably informed) opinion on air or foam filled keels?

Here's a link:
The End of Keels? | Sail Feed

What happens to the angle of vanishing stability?

[carstenb]

Please do note the date..............

[Kenomac]

Looks like he got you on this one

[zeehag]

rodlmao

[minaret]

That is pretty funny. But don't laugh too hard, reread that Wired article on Sailrocket. It's keel is in part made out of air. Just have to reach forty or fifty knots for it to happen!