Такая проблема: раньше я конструировал только самолёты, а теперь потянуло на вертолёт.
В принципе я понимаю, как он работает, но нужны формулы расчёта тяги, винта, редуктора и т.п.
Может у кого-то есть литература по вертолётам?
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