Its design provides for more stability - with its flatter profile, it ACTS less like a sail, making it less susceptible to winds during flights of up to 1240 miles.
The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.
升降索通常从帆的前侧延伸到桅杆顶端，然后下降到甲板平面，在甲板上拉起升降索就能升起船帆。
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Not only that, but the sail will also act like a handkerchief, mopping up microscopic orbital detritus such as flecks of paint from previous launches.