VARIABLE RESISTANCE WATER-SKIS EQUIPPED WITH VARIABLE RESISTANCE PADDLES

摘要

Variable resistance water skis are characterized by minimum resistance of their bottom side in water during movement in one direction and maximum resistance in water during movement in the opposite direction (Figure 3). The blade of variable resistance paddle characterized by minimum resistance of their bottom side in water during movement in one direction and maximum resistance in water during movement in the opposite direction (Figure 5).