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24 degrees was the original number from Aronow back the early days
of offshore racing. the number seemed to offer the best compromise
between ride comfort, final freeboard to be offered, horespower
needed to achieve desired top speed, etc.
there are actually quite a few boats coming with 20 - 22 degree
deadrise hulls which seem well suited to lakes/inland waterways
...also there are 26 degree hulls which ride like
plush autos in very sloppy seas buy which take enormous amounts
of horsepower to 'break free'.
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| I have seen the term 'dead rise' used in the brochures I've been
reading lately and the amount of degrees associated with each boat, but
I have no idea what they are talking about. Could someone please
enlighten me so my wife and I don't look like complete bumpkins when
shopping.
Thanks in advance,
Rick
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| �� <<< Note 496.2 by OTOOA::LEBEN >>>
�� -< DEAD RISE? SOMETHING ABOUT HALLOWEEN? >-
�� I have seen the term 'dead rise' used in the brochures I've been
�� reading lately and the amount of degrees associated with each boat, but
This is what you say about someone of your sexual-target
persuasion. e.g. {s}he could make the dead rise.
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Deadrise is the measure of the angle show in the rather crude
picture above. It is customarily measured at the transom.
0� would be a flat bottomed boat.
In general, the less the angle, the faster the boat will go
(with comparable power), and the less suited the boat will
be for rough water.
Conversly, the larger the angle, the better the boat will
handle rough water, while needing more power to achieve the
same speed.
Flat bottomed boats also generally produce smaller wakes,
so you often see very small dead-rise angles in boats used
for water skiing.
So, you might expect a boat which will be used on a small
lake to be nearly flat bottomed, while a boat intended for
ocean use will have a fairly large deadrise. A large
deadrise is often called 'deep vee'. But, 'deep vee' is
a pretty much meaningless term -- like sports car. If the
manufacturer wants to portray an image, they call whatever
it is 'deep vee' (sports car).
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