I couldn't agree more, 2-3 foils is all you really need to cover 10-30 knots and the market is flooded with companies trying to win your business. It reminds me when kiting first came out (been kiting since 2000), loads of companies have come and gone, the same will be true for winging, it is what free markets do.StellaBlu wrote: ↑Tue Aug 17, 2021 8:15 pmThis thread exemplifies the gear overload in foiling right now (Moses and Axis are primary offenders). Companies are overcomplicating things with these highly intricate product ranges that create infinite possibilities.
Variety is the spice of life... until its not.
If I do this (with a 15kg water weight) , film it and once and for all prove it to you, will you accept it? Or will that just be a waste of time just like me posting the Cl equation explanation?addictedtofoil wrote: ↑Tue Aug 17, 2021 6:32 pmThanks for the information, but it is not comparing apples with apples. Your weight is exactly the target market for the 945!
I could 100% guarantee that your opinion would change dramatically. You too could wear a scuba weight belt with 25kg and then try the 945 in light-medium wind < 18 knots, but please don't as it wont be safe for you to do so.
I won't get hurt, adding 15kg of water weight to a board is not an issue, I can even use a 12kg Board instead if that makes you feel better.addictedtofoil wrote: ↑Wed Aug 18, 2021 5:03 amI don't want anyone getting hurt.
Yes I saw your diagram, here is another from NASA https://www.grc.nasa.gov/www/k-12/airplane/lifteq.html
Area is an important part (parameter) of the lift equation in case you missed it. If you change that parameter (or area) you also get a different lift profile. Smaller area = less lift
Bigger area = more lift
So lets run some numbers through the Lift Equationaddictedtofoil wrote: Surface area is a great comparison if it costs you $750 a wing!
When comparing foils, rider weight is a crucial parameter (as well as surface area) as a heavier rider will exceed the lift force of the same foil than a lighter rider will given all other conditions are equal. http://www.aerodynamics4students.com/ai ... icient.php https://www.aviationsafetymagazine.com/ ... -equation/
The same foil is not the same for all riders and the foil should be scaled to cater for the different weight ranges of people.
But if you say that the 945 is the only wing a 95-100kg person needs winging on a 6m in 10-18 knots of wind, then yes a video of this range would be
beneficial to all, and that would mean I could sell my 950 and 1100 as redundant.
No. The lift force will be the same. You cannot say your weight changes the lift output of the wing. It is a given that you as a heavier rider will need more speed (not wind) to get it to lift you than a 75kg rider, but the lift the wing creates at a given speed remains the same. What will change because of your weight is the speed it needs to lift you and your board out of the water and be pitch stable.addictedtofoil wrote: ↑Wed Aug 18, 2021 9:42 amYes I understand how a foil with the same surface area with a different shape generates more lift, but when you add the riders weight onto the lift force of the foil and you can't increase the wind speed (10knots) or the wing size (6m) or decrease the riders weight (95-100kg), the only other option is to scale the foil.
While the 945 with a reduced surface area of -50cm2 may generate more lift than the 950 as you and others say, this is quickly negated by my weight (see the weight force + lift equation above). I cannot increase wing size or increase the wind, so it is the foil that has to change, or I give up and go to the pub!
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