Cypres
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220792808
2008-06-21T16:33:34Z
Nsarwark
5406689
:''This page is about the Automatic Activation Device for parachutes. ''
:''For the tree family, see [[Cupressaceae]].''
:''For the [[Mediterranean]] [[island]], see '''[[Cyprus]].'''''
'''Cypres''' is an acronym for '''Cy'''bernetic '''P'''arachute '''Re'''lease '''S'''ystem. It refers to a specific make and model of an [[Automatic Activation Device]] (AAD), a device that automatically opens a [[parachute]] (typically as a reserve system for a skydiver) under certain circumstances. A Cypres will usually open at a preset altitude if the rate of descent is over a certain threshold. The manufacturer of the Cypres is Airtec.
The Cypres works by using a cutter to cut the [[reserve container]] [[closing loop]]. A spring loaded [[pilot chute]] then leaves the container and breaks through the skydiver's slipstream to begin reserve deployment.
The Cypres comes in four different models: Expert, Student, Tandem and Speed. The basic operation of the units is the same; only the activation parameters are different, having been optimized for different types of skydiving.
The name Cypres may be a pun on the legal phrase "[[Cy-près doctrine|cy pres]]," which is translated "as near as possible."
== External links ==
* [http://www.cypres.cc Airtec website]
* [http://www.cypres-usa.com Cypres device website]
* [http://www.cypres-2.com Cypres 2 (newer model) device website]
[[Category: Parachuting]]
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