Читаете по-английски? ))A pole length calculator can help to give you a rough estimation of the ideal length, however this doesn’t take into account the high level of complexity required to precisely calculate the necessary length. In this case – as so often – there’s nothing like trying it for yourself.Personal preference is of course important when choosing the correct length - what is too long for some, is perfect for the more experienced. The rules of thumb mentioned above give you some approximate guidelines, if in doubt, nothing beats trying it for yourself!По моей ссылке выше. Нет никаких точных сантиметров.. )