...."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

Scott Dickson wrote in news:a3429a83-471d-435d-aa5a-
:

..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!


It's the angle at the keel between the left and right bottom of the hull
measured in cross-section at a given point along the keel. A flat-bottomed
boat like a jonboat or a punt has no deadrise, while a deep-V hull has lots
of deadrise. Being an angle, deadrise is measured in degrees. By the way,
the outer parts of the hull adjacent to the keel are called the 'floors' of
the hull, so the deadrise is just the angle between the floors. Another
way to say it is deadrise is the chine-keel-chine angle measured in cross
section at some given point along the keel. Lots of deadrise gives a
smoother ride, but makes it harder to plane.

On Sun, 21 Jun 2009 16:45:19 -0700 (PDT), Scott Dickson
wrote:

..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

It's defined as the angle from the keel to the chine - a flat bottom
boat would have 0 degrees and a Deep V hull would be somewhere around
25 degree and there are varying types from modified Vee to full Vee,
etc.

For example, my Ranger is a hybrid - sharp entry at the bow to about
mid-ships where it flattens out to 8 degrees, but there's an
additional complication in that it's a stepped hull which is a whole
other discussion.

And you're right - there will be a huge argument over it's relative
merits. :)

Here's a pretty good article about it.

http://www.marisafe.com/news/article...mode=1&aid=114

Scott Dickson wrote:
..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!


Deadrise is the a measurement of the angle between the bottom of a boat
and its widest beam. Many modern boats have widely varying measurements
of deadrise along the bottom, with a very sharp deadrise at the bow,
tapering to much less at the stern, measured at the bottom of the
transom. A deep-vee hull typically has 21 to 24 degrees of deadrise at
the transom. A semi-vee usually is 14-20 degrees of deadrise at the
bottom of the transom. Less deadrise than that and you are beginning to
describe a flat-bottomed boat.


http://www.floridasportsman.com/xtra...rward_3809.jpg


http://continuouswave.com/whaler/ref...ven640x330.jpg

On Jun 21, 7:45*pm, Scott Dickson wrote:
..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

A boat with a flat bottom has zero deadrise.In general, it is th
eangle the bottom makes with respect to the water when it is flat in
the water. This angle normally varies from bow to stern. large
deadrise (deep V) is asociated with boats for operating in heavy
chop. Shallow or zero deadrise is associated with boats for the
flats. Normally, the more deadrise, the less a boat pounds in chop.
Thus, a Carolina Skiff with zero deadrise would pound.
Anybody else care to contribute?

On Sun, 21 Jun 2009 16:45:19 -0700 (PDT), Scott Dickson
wrote:

..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

Deadrise is the angle of the vee you see looking at a boat on trailer
or hoist. That is the angle with horizontal of one side of the bottom.
The more of it, the more it slices waves rather than banging on them.
More deadrise is slower, and tippier at anchor, the price of a good
high speed ride in chop.

Casady

On Jun 21, 10:12*pm, Richard Casady
wrote:
On Sun, 21 Jun 2009 16:45:19 -0700 (PDT), Scott Dickson

wrote:
..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

Deadrise is the angle of the vee you see looking at a boat on trailer
or hoist. That is the angle with horizontal of one side of the bottom.
The more of it, the more it slices waves rather than banging on them.
More deadrise is slower, and tippier at anchor, the price of a good
high speed ride in chop.

Casady

Thank You all. My boat must have lots of deadrise then (Deep V)

On Jun 21, 8:04*pm, HK wrote:
Scott Dickson wrote:
..."deadrise" to me? I know zip about boat terms, and see this often.
I'll expect the usually fires to start...batten down the
hatches!!!!!!!!!!

Deadrise is the a measurement of the angle between the bottom of a boat
and its widest beam. Many modern boats have widely varying measurements
of deadrise along the bottom, with a very sharp deadrise at the bow,
tapering to much less at the stern, measured at the bottom of the
transom. A deep-vee hull typically has 21 to 24 degrees of deadrise at
the transom. A semi-vee usually is 14-20 degrees of deadrise at the
bottom of the transom. Less deadrise than that and you are beginning to
describe a flat-bottomed boat.

http://www.floridasportsman.com/xtra...drise%20forwar...

http://continuouswave.com/whaler/ref...mages/transomE...

Harry's father invented the term with Ole Evinrude.