 The A+ envelope is constructed in 24, 28 or 32 gores, depending on the size. The shape of the envelope is designed to produce a gradual transition from level flight into descent or ascent. |
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The A+ envelope is constructed in 24, 28 or 32 gores, depending on the size. The shape of the envelope is designed to produce a gradual transition from level flight into descent or ascent. |
