The tubular bones of the birds are known to be extremely stable against shearing forces. After all, cannons were built according to this principle. In comparison, however, the best base is as stable as a straw. In favor the flyer on the base does not really have to be able to balance himself. In the best case, a flyer can do both, mostly it’s better for the base to get the control, especially if the flyer has reached the shape and weight of an adult. In sports acrobatics, the difference in size between partners rightly enters into the scoring. Useful […]