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Everything posted by chuckakers
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Why isn't there an AAD with adjustable firing altitude?
chuckakers replied to tsf's topic in Safety and Training
There is: The new CYPRES has this feature I am told. What makes you think it will solve, or for that matter, even help the problem? What evidence is there that more time would have allowed these reserves to open? Perhaps the manufacturers of these rigs should be required to publically post, or at least inform the public, of the results of their performance testing for this mode of failure. If they would post these results you would have the knowledge to properly set your new adjustable AAD. Until then you are just guessing. Not every rig has this problem just 8 of them so far. Your posts are getting ridiculous, John. Everyone's heard it before. And for the sake of entertainment, why don't you enlighten us about the 8 "problem" rigs. Brands, models, specific problems you have uncovered with each. That sort of thing. After all, shouldn't a manufacturer be required to publicly post the specifics of any performance issues found in competing rigs? Chuck Akers D-10855 Houston, TX -
'Odds are' it'll tear off and everything will be rosey... Then again, if it takes a heartbeat to tear off and the risers are released enough to pull the RSL you're firing a reserve into that mess... A stretch maybe...but the system wasn't designed to have a 3rd attachment point. It wasn't TSO'd with a knob attached to a reserve flap. Since there are ways of 'stowing' the slider that don't require attaching it to the HC...why not go with that? Good Lord, you guys. It's f*ckin' velcro an inch and a half square. It releases VERY easily. Hell, the RSL requires more force to pull a reserve pin after a cutaway than the velcro does to release. Chuck Akers D-10855 Houston, TX
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No one ever does. Is this just a general comment about things in hindsight or do you have specific feedback? I don't disagree with what you are saying. Just an observation from the countless times stuff has bit folks in the ass. Chuck Akers D-10855 Houston, TX
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In which orientation? Head down, head up, belly to earth, or your back or all of the above? Why do you ask? Do you really think the forces would be dramatically different pulling the slider out and up vs down and out vs whatever? It let's go easily in every direction. Try it for yourself. BTW, I'm probably not as clueless as you think, I think. Chuck Akers D-10855 Houston, TX
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No one ever does. Chuck Akers D-10855 Houston, TX
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Even in the shear direction? We hear repeatedly about people having a hard pull on their cutaway if they don't peel before punching, it seems intuitive to me that the same issue would occur with a velcro slider keeper. Magnets on the other hand are weaker in the shear direction. I am not saying you're wrong, just that it goes against what I know about the properties of the two systems. I tested it in the only direction it will ever be deployed - away. Stick a slider in the dang thing, attach it, and pull it. It will come apart with a few pounds of force. Some of you guys need to put your calculators away and learn the term "that'll work". Chuck Akers D-10855 Houston, TX
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I wouldn't routinely use or recommend others use anything I hadn't fully tested. A 2-inch square velcro loop-style connection tears free with less than 5 pound of pull when brand new. Chuck Akers D-10855 Houston, TX
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Easy fix and we old school swoop nunya's have been doing it since looooong before the reserve flap magnet was invented. Sew a square patch of fuzzy velcro onto the back of your jumpsuit collar and sew a mating hook velcro patch on one the end of a 2-inch strip of trim tape and then sew it to the base of the first patch. Once you pull the slider below the steering toggles, simply twist it up, wrap the velcro strap around it and anchor it back to the mating velcro. Your slider will sit collapsed right behind your head and well away from the reserve flaps. In the event of a cutaway, the velcro tears free with only a few pounds of tension. It works better than the magnet, is easier to reach and manipulate, and costs almost nothing to make and install. You can also skip collapsing your slider with the kill lines if you like. A tight twist will do the same thing and the strap (no more than 2 inches long) will keep it from unrolling. That will be one less thing to do while packing. Chuck Akers D-10855 Houston, TX
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I was a pretty nervous student up until exit. I got over it......by jumping. Chuck Akers D-10855 Houston, TX
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Unusual Incident: Blinded by Condensation
chuckakers replied to AviationTD's topic in Safety and Training
I will give the S&TA the benefit of the doubt here and say you may have misunderstood him/her. A PLF is seldom something to be avoided and ALWAYS a good choice if you think the landing may be less than delicate. Just out of curiosity, do you know how long that S&TA has been jumping? Chuck Akers D-10855 Houston, TX -
Haven't we all? Chuck Akers D-10855 Houston, TX
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Hard Deck - where is yours and why ?
chuckakers replied to shorehambeach's topic in General Skydiving Discussions
For me, it's good main by 1,500 feet or I gotta go. Don't want to risk an AAD fire during EP's. I still whack 'em when I see 'em, though. Altitude below is time. Altitude above is history. Chuck Akers D-10855 Houston, TX -
Oh really? Where did you get that little nugget of wisdom? Chuck Akers D-10855 Houston, TX
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Before we go too far down the "we need higher AAD firing altitudes" road, let's not forget that the activation altitude itself may not have been (and IMO probably was not) the killing factor here. In this case, the student my have been unstable, on his back, head, butt, whatever, and traveling considerably faster than at a typical belly terminal. If that was the case, even a momentary delay in p/c launch would likely prove fatal. And to the OP, this student my NOT have lost altitude awareness. That's only one of many reasons he may have failed to deploy for himself. Chuck Akers D-10855 Houston, TX
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What is your resting heart rate?
chuckakers replied to JackC1's topic in General Skydiving Discussions
Would that be my resting heart rate on my belly or in a sit? Chuck Akers D-10855 Houston, TX -
400 jumps + whatever experience + Velo at any wing loading = bad Chuck Akers D-10855 Houston, TX
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Try posting on the facebook wall of some Florida DZ's. Word will get around. Chuck Akers D-10855 Houston, TX
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'Big Boy' A-License dropzone needed
chuckakers replied to MFS's topic in General Skydiving Discussions
Should be plenty of places at 250 lbs. Skydive Spaceland has a program that will get you through your "A" License in a week. Awesome DZ, too. Chuck Akers D-10855 Houston, TX -
So it's really more of a breeze tunnel. Chuck Akers D-10855 Houston, TX
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How to Survive a Parachute Failure
chuckakers replied to skydiverek's topic in General Skydiving Discussions
"You've jumped out of a plane and your parachute didn't open. Don't panic." Classic. Chuck Akers D-10855 Houston, TX -
Don't even know the guy, but "+1". If he gets within reach of the PD guys he might just lose the thing. Chuck Akers D-10855 Houston, TX
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Catching a cutaway and or free bag - Don't
chuckakers replied to danornan's topic in Safety and Training
Not anywhere I've ever jumped. Chuck Akers D-10855 Houston, TX -
Do those wear spots appear on the bridle only in certain places? If they only happen in the first couple feet coming from the attachment point, it could just be where the bridle bunches up after opening and the wear spots are where the "outside" of the folds rub against the bag fabric. The wear is only in the center because the kill line runs right there, making a thick spot in the bridle adding to the friction in that spot. Chuck Akers D-10855 Houston, TX
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Yeah, they're crap. I can't speak to reliability as a reserve, but the company built some really bad designs from a performance perspective. Chuck Akers D-10855 Houston, TX