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Seasoned Vet
Group: Past PNET Supporter
Last Login: 8/17/2008 12:01 PM
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It's a great chute to jump for Troopers, the SF-10 I trained on before transfering ffrom SF was not as forgiving.
Stand in the door!
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Regular Joe
 
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| After reading some of the posts,I must say my experience was basically the same as Recon and Ted,Dutch. MY time was 58-60. I jumped the old T-10 with cotton harness in jump school finally got the nylon harness.Didn't have the Capewell release until much later. We jumped with M1,BAr,LMG and other things including the Grease gun. I jumped with and without the Griswold container,PAE bag.If you landed on the left side with that M1 uncovered,it got your attention. We usually dropped it around 50 to 75'. Did two standing landings. One was almost my downfall. The Bn Exec landed right near me and when I saw him I fell over in a PLF. He laughed and said,you know your are not supposed to do that. I said yes sir and he just walked off smiling. A good guy. He was with the 17th Abn in WW2. There was a guy I recall named Carter. He was a Pfc with century wings. He was a MSG at one time. We had several guys like that. He could do standing landings very well and used to race guys to the ground by somehow pulling down the front risers and getting his feet in there and release just before landing.
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Masters of Hard Knocks from the University of Gravity
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Big Al (4/8/2008) He could do standing landings very well and used to race guys to the ground by somehow pulling down the front risers and getting his feet in there and release just before landing.
Well that is really just part of it. If you have the upper body strength you can control a T-10 almost as well as a -1.
With a T-10 you really have to climb the rises to dump air. Dumping to much air can be dangerous as you can collapse the canopy. You have to learn how to time it just right to dump air so you can drop like a rock then release it so that it inflates (pops) which will cause it to stall momentarily before starting to fall again. So if you time your dump right you can pop the canopy just above the ground and it will stall at about 3' and set you down like a feather. If you dump to long you will hit the ground at about twice normal speed unless you collapse the canopy at which time you will drop like a rock. If you pop to late you will start to descend again but won't have time to prepare to land so you will hit the ground like two sacks of sh!t.
With a -1 you have a 9mph forward drift when there is no wind. If you turn with the wind you will increase your speed wind speed plus 9mph. So if jumping within max regs (which I believe is still 15kts or 12mph but I'm not sure anymore) you could hit the ground at up to 21 mph (that's hard).
If you turn your -1 into the wind and there is less then 9mph you will still go forward but at a much reduce speed. Your forward momentum is generated by the air being pushed through your canopy and through the 104sq of open space in the back which can be opened and closed by pulling on your toggles (thus turning the canopy one way or the other). If the winds are just right say 3-6 mph then you only have a forward speed of 3-6 mph. At about 20 feet above the ground you pull both toggles all the way down to your knees (at the same time). Closing off completely both opening in the rear of your chute which is stalling the chute and you will start to drip straight down. At about 5 feet you release them both and you will pick up just a mile or so of forward speed and can walk into your landing.
As you can see it is all about timing. Thus all about practice and many jumps. If you can get 7 or 8 Hollywood jumps in a day you can get some serious practice in. If your only jumping once a month or every 3 months then don't waste your time in the next few years.
One word of warning. Screw it up and you might find yourself with either a back injury or a couple of broken legs, ankles or other parts of your body. Here I speak from experience and several months in plaster of paris
One qualifier. I am not posting this for knowledge only and not as a set of instructions for you to go try. It's been 12 years since I've been under a canopy. I may just have left out a few important details.
Jump fun. stay safe. Remember your screw up may not only effect you but your fellow jumpers.
Arctic
"Si Vis Pacum Para Bellum"
If you want peace prepare for war!
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Cherry
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Angry White Male
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Seasoned Vet
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cmbtscout (4/10/2008)
I cannot remember the last time I lowered my alice pack! it kinda acts as a pillow for when you land!Umm yeah right.... I landed twice with mine and only because I thought I was hitting trees, and the other time because my right shoulder was dislocated and I could not release it completely in time.
Drilled the frame right into my knees, knocked them both right out of alignment... the beginning of the end for me. By the way, long time no see around here!! Stay safe!
Abraham Lincoln (quiet, reserved and selfless): “The world will little note, nor long remember what we say here” -Gettysburg Address
Obama (egotistical): “Now the world will watch and remember what we do here”
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Green GI
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Last Login: 7/13/2008 11:12 AM
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| After jumping the SF-10A for 7 years, I long to go back to it. The good news is, you should be seeing it in the future (medium) in the form of the new MC-6 parachute - which is the SF-10A canopy attached to the new harness (which I can tell you is far more comfortable than the old standard). The canopy release assemblies are about a third of the knuckle-busters we're using now. The jumpmaster school is now requiring a JMPI of the new MC-6 (according to my most recent graduates). The only place I find iron clad on the stand-up landings are school house environments. I have done a couple of stand up landings, however, as I age, my body begins to ask me, "Why do you want to?" Safer to just roll with it and get back up, rather than blow an ACL. As far as equipment and your lead in to this post, I would submit it is terrain dependent. Anytime you are near mountain ranges or steep terrain, you are vulnerable to shear. If you catch a shear while you are messing with equipment (especially that always functional QRA) and a hand off the toggle, you could end up with a PLF named after you. You don't mention messing with your QRA (which I would never do below 50 ft) so I am assuming your "equipment" jumps are ruck only? Arcticabn is correct, you cannot technically flair a dash one. It has no front channels. The Sf-10A/MC-6 is completely different, with toggle positions being important based on wind speed. Arcticabn has shared some tricks, the only one I have (and this of course is not reg) is popping your chest strap to give your risers and main lift web a bit more spread. This makes a huge difference on the crash ten, and a slight one on the dash one.
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