TABLE OF CONTENTS
to the UNBELIEVABLE performance capabilities of Flats®Cat boats, we
Water Flats Boats
Water Flats Boats
developed a comprehensive demo section to help educate future owners
Please familiarize yourself by viewing the following performance
demos and short videos.
As UNBELIEVABLE as it may seem, Flats®Cat
boats do what we say they will do.
We stand by our claims.
passes over the water, air is injected or rammed into the large bow entrance raising
the boat up out of the water allowing the boat to ride on top of the waves and
gently walk from side to side on the Cat Hulls, thus eliminating the pounding
created by most mono Hulls. The seemingly flat hulls push water straight out away
from the boat, far enough that spray cannot be drafted up the almost vertical
sides, and into the boat. Since natural waves are uneven in their physical make
up and do not roll evenly like a wake from a boat, the Cat Hulls encounter different
different intervals creating a side to side or walking motion. To put it simply,
a mono hull in rough water is like jumping up and down on one foot and a catamaran
is like walking smoothly on both feet.
||SHALLOW WATER CAPABILITIES
ram air affect which affords the FlatsŪ Cat to run smoothly across the top of
the waves also serves another function when entering shallow water. As air passes
under the bow and approaches the inside walls of
the Cat Hulls, the water under the boat is compressed slightly and in turn rebounds
up into the water channel of the twin hulls. It is here that the water comes in
contact with the sub-hull. The sub-hull is a slightly downward curve about one
third of the way back from the bow. The purpose of the sub hull is to purge most
of the air out of the water that is flowing into the Cat Hulls. The water is then
wedged or trapped in between the Cat Hulls by the patented reverse angle inside
hull wall. When the water passes under the transom, a jet effect is formed compacting
the water even more and aiding in forward motion. When the water exits the transom
it explodes up into the lower unit and propeller of the outboard which
allows for good handling characteristics, and more than adequate water pressure
for engine cooling. At speeds exceeding 20 MPH the FlatsŪ Cat Hull has 1/2"
draft, meaning the boat is on top of the water, not pushing through it. When entering
water that is 7" or less in depth, the water is compacted between the hull
and the bottom creating a lifting effect which raises the boat to about 1/2"
plus draft. This means that the keel-less Flats Cat will not hit sub surface strata
while there is any water below the boat at speed. However, when equipped with
a tilt and trim engine and a standard 5" Jack Plate, skeg drag will occur
in about 3 1/2" of water, signaling the boat operator to seek deeper water.
This is a built-in safety factor for shallow water running, which has been well
received and appreciated by our boat owners.
Boats have always been known to be very stable while sitting still on the water
or moving at speeds, simply because you have 2 hulls. One hull enhances the other,
meaning that as one hull is raised or lowered due to water movement, the weight
versus the flotation of either hull are trying to stabilize each other. Cat Hulls
displace only about 1/3 of their weight which enables the boat to run across the
top of the water - not through it.
the wind pushes the boat water begins flowing through the Cat Hulls which positions
the boat at a 45° angle to the wind. This allows you to drift in a desired direction.
To slow down or alter the direction of drift simply lower the engine down and
turn the steering wheel.
flows through the Cat Hulls helping to eliminate drag, which makes for very easy
poling. With the absence of a keel, there is no veering or cutting from side to
||SHALLOW WATER SHUT DOWN
It is all
boat owners' greatest fear to run aground in shallow water or to be left in shallow
water due to tide flow. The elliptical shape of the FlatsŪ Cat Twin Hulls allows
very little bottom contact when sitting in below draft level water. The hull shape
also discourages any suction to occur, and in most cases, is easily pushed into
Due to the
fact that our outboards are elevated so high on raised transoms and power lifts,
very little of the motor or propeller protrudes below the bottom of the hulls.
This extreme height makes a FlatsŪ Cat boat the least likely water craft to do
harm to sub surface strata or aquatic marine life.
out our Performance Video section.
- or - Broadband!
For specific boat information, call Bill Allison
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