Exactly. If Peak has less inertia/kinetic energy and more drag in terms of lift (L/D ratio) aka more drag for same lift or at same drag less lift, it means that Peak4 consumes stored inertia quicker because drag force is greater and also there is many times less kinetic energy. So if both kites have equal lift = equal force produced on lines, on force impulse Peak's impulse end sooner. In high wind it does not matter because a lot of true wind energy is available. But in low winds it matters.
I hope Adventure logs could open up his experience a bit more and help us form our own views what is relevant. I mean he has videos on Youtube about Soul 6m and he has tested Peak4 13m, has Sonic3 11m and Soul10m. So I guess he is at the best position of all of us and state something on low end differences of various inertia levels, I mean if AL could think of if riding is possible due to high or low inertia etc. That if Peak4 is "best" kite for foiling is matter of personal preference. I have Peak4 but I don't have objections on riding closed cell kites with HF too.Peter_Frank wrote: ↑Thu Jan 07, 2021 5:08 pmThere are numerous factors affecting this, is my take on it, and the reason why we havent a clear view on this, as it seems in the small sizes Peak4s are pretty close to double skins same size.
The latter are heavier (both weight and weight+trapped air) but better L/D.
Factors could be: line length, kite size, being able to keep riding versus being able to start, kite L/D, rider technique - just to name a few.
Herman wrote: ↑Sat Jan 09, 2021 1:07 pmI think for low power applications the choice of kite that can be used is relatively wide. A while ago I acquired a couple of old kites to use with a bug. A 5m Montana fairly fast and spikey , and a 10m Access a steady as she goes kite. I was surprised by the wind speed overlap of theses kites for the bug. The offset of the two wind ranges for the bug is just a few knots but the small fast kite is much for fun to fly and in some ways feels safer as it is easier to correct a position if needed. I realise this is mostly aerodynamics but mention it out of interest regarding the comment around small foils. I love this old Montana!
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