On 29 Oct 2008 03:53:52 GMT, Larry wrote:

If Roger's research vessel had these balls.....he'd be home by now....(c;

Except that Roger's boat doesn't have a mast tall enough to create
that much heeling moment and the boat wasn't designed to run heeled
over.

It turns out that you need 36 degrees of heel to get an 80 ft stick
under a 65 ft bridge: 80 x cosine(36 degrees) = 64.72

You can set everything up however without having an accurate
inclinometer or doing any trig. The critical dimension is from the
bottom of the lowest bag to the highest point of the mast. As long
as the halyard is adjusted to less than that length, the boat will go
under the bridge.

In article , Charles Momsen wrote:
Enjoy!

http://www.youtube.com/watch?v=epz6BBZm__0

Thoroughly enjoyed, thank you.

Any ideas what the boat is? She's got lovely lines.

Justin.

--
Justin C, by the sea.

On Wed, 29 Oct 2008 23:15:32 -0000, Justin C
wrote:

In article , Charles Momsen wrote:
Enjoy!

http://www.youtube.com/watch?v=epz6BBZm__0

Thoroughly enjoyed, thank you.

Any ideas what the boat is? She's got lovely lines.

Justin.

According to Jan , Aratinga, a 60 foot Alden.

On Thu, 30 Oct 2008 14:25:46 -0400, Gogarty
wrote:

In article ,
says...
On Wed, 29 Oct 2008 23:15:32 -0000, Justin C
wrote:

In article , Charles Momsen wrote:
Enjoy!

http://www.youtube.com/watch?v=epz6BBZm__0

Thoroughly enjoyed, thank you.

Any ideas what the boat is? She's got lovely lines.

Justin.

According to Jan , Aratinga, a 60 foot Alden.

Did I miss it? What is in those bags? How much do they weigh?

Water, one ton each according to the blurb on TouTube.

That would be 250 gallons per bag which sounds like a bit of a stretch
but who knows.

The nice thing about using water bags is that they achieve a stable
equilibrium as they immerse which limits heel angle to exactly what
you preset via halyard length.