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-   -   phantom-tail wedge-keel (

aerohead 06-01-2013 04:36 PM

phantom-tail wedge-keel
I want to nip this in the bud before anyone thinks they can do this on their car.
In the Feb.,2013 WIRED Magazine is an article about Paul Larsen's Vestas 'SailRocket' world speed record sailboat.
Paul set a record for the 500-meter average velocity of 65.45-knots (75-mph) at Walvis Bay,Namibia,Africa this year.
The keel of the boat was the focus of the article,which is a wedge,pointed-end into the water,which at around 50-knots will form a phantom tail of air of which the surrounding water cannot cavitate,which is credited for much of the speed.
While MetroMPG and other 'yachtsmen' will find interest in this boat,the keel technology isn't something which will help us,as to an inability to cavitate something already in a vapor state.
Larsen's boat is a major advance.Check it out.:D

MetroMPG 06-03-2013 10:00 PM

Thanks for the tip, Phil. Heading over to read about it now.

Here's the WIRED article for others:
How a Boat-Plane Hybrid Shattered the Sound Barrier of Sailing | Autopia |

And a video of the boat/plane in action:

redneck 06-03-2013 11:30 PM


That's fast...:eek:


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