| 摘要 |
A closed circuit wind tunnel (100) with particular use for recreational purposes is disclosed. The tunnel includes a fan that creates a circulating air current, and at least one flight chamber (20, 40) that has a launch area (60) at one end and a landing area (70) at the other. The landing area is upwind from, and lower than, the launch area. The flight chamber has an inclined floor leading from the launch area to the landing area. The roof is inclined parallel to the floor, so that the flight chamber has a constant cross section across the incline gradient. The tunnel may be used for indoor hang gliding and may include conveying apparatus to move a glider from the landing area back to the launch area.
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