Speed Skydiving is a skydiving discipline with a definition as simple as it gets. Speed Skydiving was developed from 1999 on and represents the fastest non-motorized sport on Earth. In the essence, speed skydiving is the discipline where the only one aspect of the skydiving counts – vertical freefall speed.
The speed achieved by human body in free fall is the function of two factors, body weight and body orientation. In stable, belly to earth position, terminal velocity of the human body is about 200 kmph (about 120 mph). Stable freefly head down position has a terminal speed around 240-290 kmph (around 150-180 mph). Further minimizing body drag and streamlining the body position allows to reach speeds in vicinity of 480 kmph (300 mph) and more.
Reaching and holding high free fall speed in a controlled body position is the goal of speed skydiving.
The score for a Speed Skydiving jump is the average vertical speed in kmph that the competitor achieves in a 3 second moving windows frorm exit to 1.700 m (5.577 ft) above the ground.
The ISSA and IPC approved Speed Measurement Device (SMD) is FlySight GPS by Bionic Avionics.
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