e.a.hernandez

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Posts posted by e.a.hernandez


  1. Hey,

    i have this 10 years old Solo II audible altimeter that has lately been powering off intermittently. I changed the batteries and cleaned the contacts and was still doing it. I get the impression it may be the metal in the cover loosing spring from age but not sure. Have you had this issue with the Solo II before. It is 10 years old so that might be it. It has served me well and i want to keep it going. I use two audibles (2nd one is a brand new Optima II) so not too concerned safety wise. I may just give up and replace it :(. Any thoughts?

    Regards,

    Erick 


  2. So let’s say I open at 10K, pull on toggles and let them go up as far as the guide rings will let me and then star pull down slowly. Let’s say I mark the break line with a sharpie (next
    To the guide ring) at that point where if I pull just a bit more my parachute begins to loose lift i.e. the stall.

    Now, let keep everything else the same and only change the weight. What happens with regards to the stall?

    Does the stall point not change? In other words would the parachute just stall at a higher speed with increased weight and stall at lower speed with decreased weight with the actual point of the stall (or the mark of the sharpie) not changing at all? Would the same apply with altitude i.e. everything else the same and only changing altitude would the parachute stall at higher speed the higher the elevation and stall at lower speed the lower the elevation but the actual stall point (sharpie mark) being the same?

  3. I have seen couple of instances where one jumper tells another (usually a rookie) to flare all the way down. This advice is usually provided without consideration about the stall point on that canopy. I can see how this advice mostly applies to very low jump # skydiver that jumps big >220 canopies set with toggle settings so low that stall point is not reachable or very hard to reach. However, as you start jumping your own gear or for that matter jump any canopy the jumper should find the stall point and not flare past the stall...flaring past the stall point will stall the canopy and specially if the flare is performed by mistake a little higher than usual could cause some hurting or bone breaking. I would like to hear other opinions on this. Are there any instances where it makes sense to flare past the stall point? Should you set the toggles so you can't reach the stall point?

    Regards,

    Erick

  4. I have heard great things about the factory diver helmet. Only thing I keep hearing is the visor fogging up (winter jumps) or during canopy flights. I see some people jump it with out the visor. Has anyone that tried the newer version seen any fogging issues? I have tried it on and love the helmet but never gotten a chance to jump one. Just want to get some feedback from people who have used it before I go put some money on it.

    Blues ones,
    Erick

  5. During my student days I got really scared at times. There were couple of times where I got to the dropzone early and waited outside debating whether I was going to quit or not (this sometimes took >2 hours :$).

    For me the visualizing helped a lot. I would let the fear sink in real hard and then I would try to breathe and relax (focusing on all the muscles going limb). Then I would visualize the plane...sound..etc get scared again and let it go out. I believe learning how to deal with your fears (specially knowing how you will feel) is part of your growth in skydiving and will serve you in life as well.

    I had a friend who did fine until he got to level 6. In his case, he was over anxious about doing flips and exiting without the instructor holding him. Try not to over think this flipping deal too much...just go for it. It is not as bad you think it is.

    Good luck and keep us informed on your progress.


  6. Interesting. So, is there such a thing as the turbulent air flow hitting the canopy hard enough to collapse it (I mean depresurize it) and make it stall? Or is it that most stalls in turbulence are caused when the boundary layer gets blown off at the top of the wing (in which case then I guess material would not make much of a difference)?

  7. I was wondering if there is any significant
    performance difference when flying
    F-111, all ZP, or Hybrid (top ZP and bottom F-111) in tubulence? Wouldn't an F-111 be more prone to collapse than a hybrid or all ZP?

    Blue Ones

  8. Hi,

    Wouldn't it be a good idea if somebody built a computerized cut-away simulator: head mount display, hanging harness, all connected to a central computer? It would never come close to simulating a cut-away in a comp velocity 78 but it would be better than the current "hanging harness... look at the picture type of deal". What do you guys think. Too expensive? no market for it? good idea or bad?

    Blue Ones

  9. So true... when I begin the attempt to pack a new canopy, the canopy controlled me and I wanted to beat the f%$# out of it and it would not go into the bag. After countless tries it started to happen naturally. It is kind of funny, but when I come from work very stressed out I actually open my rig and pack it over and over until I calm down...go figure..:S


  10. I will be demoing a racer 2K3 this weekend (I really hope wheather gets good). I don't think they offer stainless steel for the shadow racer. For the other basic option (which starts at a higher price) they do offer stainless steel.

    Cadmiun should work fine and outlast the harness if taken good care. However, as it gets old it could start to corrupt the harness material around it and stain it. Cadmiun is toxic too; but again, as long as you don't put it in your mouth and eat it you should be fine.

    One of my instructors has a voodoo with cadmiun hardware and he has put ~2500 jumps on it and it looks worn out but still good to go.

    Good luck on your search. Talk your rigger/instructors at your dropzone; they usually can find you good deals and point you in the right direction.