TUSA’s Angled Blade Design:
When using the standard traditional blade fin, with the leg completely extended, there remains an angle of 27° between the heel and the foot and the calf of the leg, causing a 10% loss of propulsion. Because the fin is angled below the body, during the kick phase, the body is pushed forward and down, instead of straight ahead. With the SF-15 fin, that 27° angle has been designed into the fin. This means that 100% of the energy expended during the kick phase is directed toward the propulsion of the diver. To achieve maximum performance from this fin, use a small bent-knee kick with a light rhythm. This creates less strain on the leg muscles compared with traditional fins, reducing the diver’s fatigue and subsequent air consumption.
FEATURES
| > | Three material design for increased performance compared to standard split fins |
| > | Patented 27° Angled Blade Design |
| > | Enhanced propeller-fin technology optimizes efficiency |
| > | Multi-compound foot pocket increases power transfer to the fin blade |
| > | Reinforced side-rails decrease blade separation increasing stability and kick-style versatility |
| > | Optimized blade scoops increase water channeling |
| > | Innovative hydrofoil design that produces forward motion (propulsion) with less effort |
| > | 10% longer blade than SF-8 for enhanced propeller effect |
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