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Full set with Board (use “ZENO10X” for 10% discount)

Flat Surface: 1658cm2
Full Surface: 1954 cm2
Volume: 2566 cm3
Span: 120cm
Chord: 18.5cm
Profile depth: 2.85cm
Aspect Ratio: 8.68

Stall speed 45kgs: 4.6
Average speed 45kgs: 6.0
Max Speed 45kgs: 13

Stall speed 55kgs: 5.2 knots
Average speed 55kgs: 6.6 knots
Max Speed 55kgs: 14

Stall speed 65kgs: 5.6 knots
Average speed 65kgs: 7.2 knots
Max Speed 65kgs: 15 knots

Stall speed 75kgs: 6.0 knots
Average speed 75kgs: 7.6
Max Speed 75kgs: 16 knots

Stall speed 85kgs: 6.4 knots
Average speed 85kgs: 8 knots
Max Speed 85kgs: 17 knots

Stall speed 95kgs: 6.8 knots
Average speed 95kgs: 8.4 knots
Max Speed 95kgs: 18 knots

These values are measured after running 3d computer analyses through the XFLR5 open source platform.
We used a type 2 (fixed lift) LLT Wing analysis with a water density of 1023.0 kg/m3.
Stall Speed: Required speed to lift the needed weight, Angle is set at 5 degrees up at stall.
Average Speed: Required speed to lift the needed weight when cruising, Angle is set at 1 degrees up at mean.
Max Speed: Required speed to lift the needed weight when getting through max speed, Angle is set at -3 degrees up at highest.

2x Unidirectional 300g
1x Biaxial 300g
1x Biaxial Patch 300g
1x Twill carbon 300g
1x glass 80g

Pine wood core. Same amount of carbon on each side.

total weight, 750g.

Lift to drag ratio / Angle of attack. In blue the profile used on the new Osprey 1850, in red the profile used on the other ONIX models.

Here you can see the 2D results. In blue is the new foil profile, and in red is the profile I use on the ONIX foils until now. So you can see that the lift to drag coefficient in function of the angle of attack is nearly double. It’s about 40 % higher. So in theory, it means that it should be really efficient.

ONIX 2025 catalogue.