Парусный катамаран - как сделать чтобы он поплыл против ветра
Нашел пример подобной модели парусника, сделанной на высочайшем техническом уровне: с пенопластовым крылом, стеклопластиковым корпусом и управляемым закрылком (две части видео).
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