•.F.A.C.A. Technical ^3r:or»ndur. No.450 Figs.3&4 d = (r-n)i a-rf H d = n. p e = c = I3r f = AI Fig.3 Opening shapes assumed as the calculation-basis … Fig.4 Inflation diagram for the opening process of a hemispherical parachute with the radius r=2.9m.
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