The 22mm diameter aluminum tail boom is lightweight, strong, and perhaps most importantly ? easy to replace (both physically AND financially.) The 10mm diameter hollow aluminum drive tube features dual ball bearing support.

• 铝合金板材直径的尾巴景气轻、强、或许是最重要的--易更换(肉体及财务).；直径10公厘的空心铝径筒特点支援双滚珠轴承