The way both boards convert power into forward movement might be a good direction to understand the differences. Hydrofoils don't need too much power to keep us going on water. We just need a small peak of power to make the plane take-off on the water start. After that, we basically use, let's say 20-30% of the kite's power to keep the movement. It's usually what 99% of what freeriders do on HF. However, we should also consider that we can "edge" the HF's plane against the water like we do when edging on a twintip. In this case, we should be converting more kite's power into forward movement, like what happens with a TT, but it doesn't seem so efficient on the hydrofoil's case. On my test, it's basically what happened. I've used the same kite on both boards but, on the HF, I had to "edge" the plane in order to reach ~39km/h. It was hard and had to put a lot of pressure on my front leg. On the other hand, with the twintip, I easily cruised on speeds of ~35-37 km/h effortlessly.
let's say that my "need for speed" is to cover a larger area faster.
My mast is 95cm (alum) and, from what I could feel, it should be mounted as close as possible to the back of the board as it was pretty hard to keep the wing on water when I've pushed some speed. Maybe I should try other board too as I've been using a very light pocket board. It seems it'll break if a push it too hard on my front footedt wrote: ↑Tue Sep 07, 2021 3:28 ammake sure your mast is long enough. You will be applying a lot of pressure to the wing, and because of this you'll be heeled over. On smaller masts you can't put enough pressure because if you lean over too much the wing breaches. For example the moses kite race 106-670 is 106cm (42 inches) tall with a front wing surface of 570 cm. I think the tallest f-one mast is 95cm? Only $150 so pretty cheap upgrade. I don't remember if f-one has a racing upgrade to the fuselage or not, that can also increase speed by reducing drag.
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