Yeah empirical they do, as there are much more "some reports ..." statements, for example this one:
Most brands had problems with their first foils. Nevertheless placing 3 inserts so close to each other while having the wing supported on a tiny area is a mistake even the basic amateur foil builder wont do. Talk about engineering...wingnut wrote: ↑Mon Nov 20, 2017 12:42 amSo, in my experience, pictures like that can be taken totally out of context. There are a huge number of factors that could cause that type of failure, it might be nice to see the whole wing. Granted those type of inserts in an injection molded piece could stand to be bigger/longer but there is no way of knowing what other forces have been exerted on it. Even over-tightening the bolt into an insert that has no bottoming stop could weaken it. That all being said, hopefully this is not at the same price level as carbon fiber and is well supported by North.
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