0
pds

Which AAD is in your DZ Rigs - Version 2

Recommended Posts

Quote

Quote

Quote

Why do so many people put a 2nd "s" on the end of CyPReS?



I think it is because cypres sounds like the "cypress" tree.



For the record: CYbernetic Parachute RElease System = CYPRES.



The question wasn't "what does it mean?", it was "why do people make the mistake?" I'm guessing he knows the acronym from how he capitalized it. I was speculating as to why people seem to get it wrong.

Share this post


Link to post
Share on other sites
I can't cast a vote. The actual "student" rigs (that is, what first jump students wear until graduation) have an FXC. We're taught pretty early on how to check the calibration and so forth.

After you graduate, you take transition training, and get a course on using the BOC instead of ripcord, the two-handled reserve procedure (instead of SOS), and the Cypres. You then jump transition rigs until you get your own gear.

So the DZ's gear has both FXC's and Cypres (cypri?), depending on where you are in the training.

Share this post


Link to post
Share on other sites
Hey!!! Yes the ASTRA is an ADD. AND it is better than the CYPRES for people flying am ultra-high-preformance canopy. I'm amazed at how many blind sheep skydive. If the advertising told you that a parachute wasn't necessary. I bet half of you would still jump. Ignorance is bliss...duh... and PD is the only canopy that flies...
"Slow down! You are too young
to be moving that fast!"

Old Man Crawfish

Share this post


Link to post
Share on other sites
If you are eluding to the possibility of acheiving a fast enough decent rate under canopy to trigger the cypres, the cypres disarms at 300 feet and since thats where the majority of your down speed in a hook is being built at its not a concern. If you do a carve (like most the pro's do), your down speed never comes close to triggering the cypres while your forward speed keeps increasing. I've seen jumpers under sub 60 sqft canopies come in as fast as they can and they never come close to the thresholds of the microprocessor.

The Astra brings with it a whole group of issues just like the cypres. They are similar, but neither one is superior to the other.
Yesterday is history
And tomorrow is a mystery

Parachutemanuals.com

Share this post


Link to post
Share on other sites
psssst.....phree.......not 300 feet.

Quote

It activates the EOS when it detects a rate of descent higher than 78 mph (35 m/sec) at
an altitude of apx 750 feet above ground level (AGL). In the event of a breakaway below
this height CYPRES will operate down to apx 130 feet AGL. Below 130 feet AGL opening
is no longer useful. For this reason, CYPRES ceases operation below apx 130 feet AGL.

Share this post


Link to post
Share on other sites
Thats what I get for trying to remember things before the morning drive to work to wake me up...

Reguardless I'd love to see some telemetry data of someone that reaches 75fps under a canopy that they intend to land at sub 900 feet.
Yesterday is history
And tomorrow is a mystery

Parachutemanuals.com

Share this post


Link to post
Share on other sites
>Hey!!! Yes the ASTRA is an ADD. AND it is better than the CYPRES
>for people flying am ultra-high-preformance canopy.

I disagree. The astra is more prone to accidental firing near deployment altitudes, and I have never seen an accidental cypres firing due to a high speed landing. Have you?

Share this post


Link to post
Share on other sites

I was clocked (with a laser gun) at 93 mph (136.4 fps) in my dive (starting from 700-900ft, and landing at sea level) and 78 mph (114.4 fps) across the ground at the start of my swoop. I had about 10 jumps on the canopy for that jump. For this reason I don't jump with a Cypres. With the 12 year (and 3 month;)) end of useful life coming soon for some Cypres's, I am looking for one to put in a fanny pack and take on a jump or two on it to see if I can fire it. Especially now, since I am jumping at 5,400 ft MSL and with Density Altitudes in the summer of over 9,000 ft.

Hook
Hook

Share this post


Link to post
Share on other sites
Quote

With the 12 year (and 3 month;)) end of useful life coming soon for some Cypres's, I am looking for one to put in a fanny pack and take on a jump or two on it to see if I can fire it.



Oh yeah, an "unairworthy" Cypres is a toy I really want to get my hands on (not to be used with a reserve of course) I was really hoping to get one of the ones in a train wreck off Ebay, but they ended up selling for way too much [:/]

--
Hook high, flare on time

Share this post


Link to post
Share on other sites
At some DZ's... Cypres is all they count for their AAD requirements. The Astra is a wierd device since its version of a battey test is you have to get out a voltmeter and manually test the battery if you want to see how much charge is left. This involves opening the reserve container to get access to it. The Cypres shows it on screen during start up.
Yesterday is history
And tomorrow is a mystery

Parachutemanuals.com

Share this post


Link to post
Share on other sites
Quote

But the advantage with the Astra is you can turn it off under canopy



Funny. Traditionally the fact that you can not easily turn it off has been one of the biggest advantages to the Cypres.

I do worry that using an Astra instead of a Cypres will become a status symbol among novice and intermediate swoopers - as if anyone but those flying the smallest canopies would even approach activation speeds.

_Am
__

You put the fun in "funnel" - craichead.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

0