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Balsa has a reputation for being fast, but in reality it's really slow. There is a lot of variation in density of course, but generally, Balsa is a lot lighter than any other wood used it TT blades. The reason why it's associated with fast blades, is because it's often used in thick cores paired with some sort of composite. You can only do that because of the light weight. But if you use it as usual in a 3mm core, it's reeeally slow, it just doesn't have the mass to push the ball. You want the slowest, but still playable, blade ever? Easy, just build a relatively thin 5 ply balsa blade. Well, maybe not Balsa top because it's really fragile, but Kiri would be a nice choice too.Yeah, I get the frequency thing!!
The last pair you made for me were circa 980Hz!!
I think the one you made for me with Hinoki was about 1050Hz, from memory.
Blades in the photo, great work as per usual, regarding the lack of bounce, is it the type of balsa, physical properties of the balsa used that is the main factor in the reduced bounce? Balsa cores can be used for fast or slow blades, what is it that you look for, or is this a trade secret!!