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TUSA's Imprex Tri-Ex Scuba or
Snorkel Fin
Fins with world-class efficiency, making the most
of your energy
In 1993 TUSA introduced the SF-7700 (Imprex Fin) to the market.
This fin achieves strong propulsion by combining two different
materials to create an efficient water channeling action. Since
it first went on sale, over 600,000 divers have used it worldwide.
The Imprex fin has been the undisputed leader in the plastic
fin market. Now, ten years later, it is moving to the next development
stage. The next gerneration TUSA Imprex Tri-Ex fin utilizes three
different materials.
First is the side rib (hard material), efficiently converting the
energy of a kick into propelling power.
Second is the blade (medium-hard material), increasing the efficiency of the
water channel.
Third is the soft pocket (soft material), enhancing the fitting
comfort of the boots. The designers expanded the blade
angle theory that had produced a strong propulsion force with only one light
kick in the SF-8 model. A fin testing robot was used to analyze on a computer the propulsion
(speed) and the electrical load when kicking.
Tests were also run using real divers in a water circulating pool. These tests
were repeated many times, the result being that the blade angle was
set at 20 degrees, the most comfortable for the diver.
A smooth shape was also created, with no level differences
between the foot pocket and the blade. This means that compared
with conventional products, less initial load (energy) is required when first
starting to kick. The excellent fit and non-wasteful transmission of energy ensures that
body fatigue and air consumption is minimized.
- Uses TUSA's unique Advanced Multi-Flex Blade, made from 3 different materials
- Most of the foot pocket is covered by soft material, enhancing the fit
and making it easier to put on or take off. Eases squeezing pain.
- TUSA Patented Easy-to-Adjust strap features quick release buckles
TUSA Imprex Tri-Ex fin SELECT FROM:
- TUSA Imprex Tri-Ex Color Choices: Blue/Black/Silver or Yellow/Black/Silver
- TUSA Imprex Tri-Ex Sizes: Small, Medium or Large
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