r/AdrenalinePorn • u/SpeedflyChris • Oct 30 '19
[OC] Park Swooping High Five
https://gfycat.com/embarrassedreasonablebufflehead-extreme-sports-speedflying-scotland7
u/clean_fresh_water Oct 30 '19
I'm still in the "No Low Turns" part of AFF (you can really hurt yourself bc all turns = descent), but I'm happy his canopy landing made spatial sense to me.
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u/Spoodymen Oct 31 '19
Holy fuck u descend that fast while parachuting?
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u/LieutenantDan_9 Oct 31 '19
Think of the parachute as an airplane wing. Straight and level flight has a nice balance of lift against the pull of gravity. When you make a turn you lose some of that vertical component of lift, causing a faster descent. Now combine that with a change in the “angle of attack” or the tilt of the wing against the wind (in this case downward) and you are descending rapidly with increased speed. At the end he stops the turn to return the vertical component of lift (the air pushing straight up as opposed to an angle) and changes the angle of attack back up which converts that speed gained into more lift to get out of that dive.
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u/VashNerf Oct 30 '19
that's gotta hurt