Calvin19

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Everything posted by Calvin19

  1. Lockout is an interesting phenomenon. technically speaking Lockout occurs when the aerodynamic lift and applied (kite line) force line up and remove any inherent stability of the system. (The lifting forces on the kite/towed aircraft are in line with the kite line/tow line). At this point weight shift control is drowned in the high forces of the line/kite system, and aerodynamic control (canopy steering lines,etc) are greatly decreased in effectiveness. In a paraglider, parasail, parachute, or hang glider or other single-line 'kite' ground tow this is avoided by limiting the force on the tow line throughout the flight. Obviously it works very well. However, in the case of winch-tow sailplane launches the aircraft is not stabilized in pitch by the tow line, almost all pitching (AOA) is controlled souly by the pilot, allowing for relatively high tow line forces while maintaining full control of the kite/tow line system. The high line load is closer to in-line with the lift force of the wing, but not an issue because of the pitch authority the aircraft has. When I mentioned "assuming you have pitch control" I mean the ability of the wing suit pilot to have very high authority on lifting forces, (being able to dump lift by drastically changing the shape of the wing, etc). In kite surfing, kites that have a different kite-line system to allow for drastic changes in the lifting vector of the kite. Forces on the kite lines are limited by the mass of the pilot, as the pilot is not an anchor but an inertial mass. Me and the late Alex G spent a summer getting "good" at towing 220-260 square foot BASE canopies behind a car. using a 2000' 550pound test nylon line the only load limiter was the stretch(>30%) and final absolute -strength- of the line, and it did save us a few times. From what I have read of other people doing this the consistent problem i saw was using a static rope as the tow line with a release mechanism that required action (as opposed to inaction like our release system uses). In a lockout on a static line,(almost) the only thing that can save you is usually releasing from the line, so having to reach for a handle when the system is highly loaded(handles out of reach, in the wrong place, or overloaded/deformed into an un-releaseable state causes inevitable uncontrolled contact with the ground or obstacle. We used this system to do countless flights up to ~1200' with no injuries and the only 'close calls' were from the line failing or voluntary release at a low altitude near-lockout state where the pilot would not have the altitude to make a turn, has to land near straight-ahead. Please note that the car tow on a static line is physically identical to high-wind anchoring of a kite. This is an interesting academic discussion. I hope everyone reading this appreciates the insanity needed to attempt fixed-line towing/kiting without proper understanding and equipment.
  2. Yes, it is possible. Wingsuit testing has been/is being done in horizontal wind tunnels, loosely the same idea. Haven't seen it done on a single 'kite-line' yet. Or with any appreciable maneuvering. Serious problems to consider- 1-100mph wind is a lot. It will probably be gusty and variable direction. 2-You will need a lot of training, planning, testing, previously undeveloped equipment(probably even a custom suit), procedures, and technique, and then practice. No doubt all of this will be expensive and probably worth it in itself. 3-You have to fly a wing suit anchored to the ground. You (the kite) have to create enough lift to overcome your mass AND all the drag in the system that relates to the kite line angle and lift vector. And remember that increase in lift also increases drag. Assuming you have control of your pitch axis(vector of lift as it relates to the kite line) and with a 0 degree angle (kite/you directly downwind and level with your anchor) best case you need to create about 130% the lift of your normal free-flight wing suiting. The lift needed to overcome this drag increases exponentially and to infinite as the kite approaches 90 degrees overhead. 4-Assuming this works, you have to get down without dying. And I hope opening a parachute is not very high on the options list 5-Still have to live through the hurricane.
  3. Why? unusual high risk of post-relationship grudges, rumors, and intimate secrets filtering into happy places and circles. Tried it once without this happening, but the risk is real. Not saying I avoid it like the plague, just tread very lightly.
  4. I avoid dating skydiving women generally, and by no fault of their own. But I did not notice a difference. One question you should ask yourself is do you think YOU are better in bed than whuffo guys?
  5. LSA does not automatically equal experimental. LSA just means light sport (1320 pounds or less (1430 for amphibious), slow stall speed, max cruise speed). But you can have an LSA certified under several different ways S-LSA A factory built, E-LSA an experimental built by someone else, or just under standard experimental. Each has benefits and drawbacks... For example you can legally rent out an S-LSA, but not an E-LSA or Experimental (unless you have an LOA from the FAA allowing it). I don't know a bunch about E-LSA, but Experimental has the Operations letter. So it might actually be legal to jump an S-LSA with no issue. Mine is experimental and the OL letter clearly says it can't be jumped. As for your experience... It might have been an S-LSA and that would make it legal. They might have made sure the OL letter didn't ban jumping. Or they might have just done it illegally. I have a commercial license, so I will not be doing anything illegally.... I know a wet blanket. Besides, if anyone was going to jump my plane... It would be ME and who would be flying my plane? Of course, my bad. Aircraft I mentioned was an E-LSA. And i'll fly your plane if you want to jump out of it! I only have a few water landings in float planes, but I'm confident I can pull it off after a few landings with you As a pilot and a skydiver I always squirm a bit when talking to non-pilot skydivers about airplanes. Literally their ONLY thought process when discussing an airplane goes irreversibly to "how can I jump out of it". Generally, flying any aircraft I get more satisfaction from sitting up front and flying the thing compared to riding in the back and falling out. Edit-fixing magnet letter refrigerator spelling[url]
  6. TLDR: FAA says no, not worth the trouble to get them to say yes. Experimental aircraft have a set of operational limitations that they have to abide by and every experimental aircraft OL letter I have seen bars jumping and banner towing. I have had three, now four experimental aircraft and they all banned "Parachute operations." So while the plane would actually be pretty easy to exit, the FAA would frown on it.... And I have a commercial certificate and...Yeah, not gonna happen illegally. To make it legal, I'd have to contact the FSDO (now just FSO) and petition for a new set of operational limitations and answer bunch of stupid questions from people that don't understand skydiving at all and in the end most likely still be told no because, "I wanna" is not going to be seen as a good enough reason. Not encouraging the practice, but on several occasions (more than 10 years ago) we used an E-LSA to do 'demos'. NOTAMs were filed with aircraft registration, and radio comms were maintained. Nothing came of it. edit-changing LSA to E-LSA
  7. Calvin19

    2017 Eclipse

    I have never seen a totality firsthand and do not deny it to be an amazing moment that I would love to see someday. Some laziness and a sever case of FOMO counterintuitively kept me in Colorado. That said, I agree with you. A girl I am courting used the excuse "but I can see 94% eclipse from my apartment! why drive 24hrs round trip!?" Huh, well, it's the difference between "just the tip, just to see how it feels" and whatever inevitably comes right after that.
  8. Ditto. However, I would like to stay on topic of this specific denial case, but that's a short rope on a long rappel in SC.
  9. I see them as all just pulling our collective legs. It's just a cool club where they get to make up funny theories to explain their "belief". They are laughing at all the people trying to convince them of the facts. It's an inside joke. Agree. They likely sit around in the evenings drinking single-malt. Dreaming up new schemes to stir the pot all the while laughing about the publicity they are receiving. I have a friend (A commercial airline pilot for a major airline) who I have had countless and long friendly discussions/debates on the Apollo hoax theory with. He genuinely does not believe that humans traveled to and landed on the moon. I admit that this is the most frustrating for me to see given how obsessed I am with space flight history and aeronautical engineering. If I was duped, and he was only trolling, who comes out on top? Is it any skin off my back? NO! I had hours of thought experiments and learning specifics about Apollo to counter his arguments. Whether he admits to trolling or continues to believe what he believes, the sun will come up the next day. If anything, everyone sees him ass the asshat for trolling. When talking with these kinds of people about these views, the best that they can do (convince someone that their alternate beliefs are the truth) will never happen. If in fact they are trolling, what is their end game? Assuming they are not actively indoctrinating young innocent minds, there is no pressing problem with a couple backwards brains searching for their truth. My proposed tactic is to let them believe it, listen to their theory and allow them to search. In this specific case how priceless* would it be to get these kids an expedition to Antarctica? *lots of money, actual money to send them with one of two outcomes; 1-They see the evidence first hand and admit their mistake(highly unlikely) or 2- their inner turmoil is doubled down, and they alienate even more people. It would be almost cruel to facilitate that. But they made this bed.
  10. Yes, but I do believe that is a mental illness. Well, as was noted, there's no way to prove the non-existence of God. There is abundant and overwhelming proof that the world is a sphere. Enough of it so that it was not only shown to be so, but accurate calculations of the size of the sphere were made over 2000 years ago. Both in Europe and Asia. Also, there are some pretty valid psychological and sociological reasons for belief in God. It's likely enough of a survival mechanism that we've "evolved" it into ourselves. Besides, most kids have that belief ingrained (indoctrinated?) into them. If you spend every Sunday in church being told to pray to this God thingy, if you say prayers every night before bed and before every meal, then that belief is going to be implanted fairly deep. Add in the evolutionary issue (if it's true) and you have a pretty strongly reinforced belief structure. Changing that isn't an easy task. Look at how hard it can be to "deprogram" a cult victim, and those are not in the clutches of the cult and it's leaders for very long. Not my beliefs, but I can understand them. I can even respect those who hold them and use them to make life better for themselves and those around them. Those that use their beliefs to oppress others and spread hatred? Not so much. I completely agree with all of this.^ Even while laughing at them I can appreciate their resolve. As fun and easy as it is to merely rip on them and their beliefs there is an opportunity to sleuth around and construct a probable path that brought them to where they are. This is something that they came to on their own, likely there was not indoctrination, only a few lost boys and girls that needed something to hold on to. And the great thing about a believer when investigating such claims in the open, giving them the time of day, is watching how the knot inside their brain tangles and tightens as they are brought more and more evidence until they (unlikely) give in and see the error in their 'personal' pseudoscientific method, or they deny accepting further information. "you must be one of THEM" kind of mindset.
  11. I see them as all just pulling our collective legs. It's just a cool club where they get to make up funny theories to explain their "belief". They are laughing at all the people trying to convince them of the facts. It's an inside joke. I completely agree that this is a possibility. However I do not think this is the case with these two and a large portion of the flat earth society. I have no doubt they laugh at the people that argue the earth is round the same way we laugh at them like we are now. But I don't think they are trolling. "I believe that they believe". Sadly that interview linked above does not delve into other 'alternate' science/historical theories on common denialist subjects, though they seemed eager to share their views beyond flat earth. i am very interested in this kind of psychology.
  12. Yes, but I do believe that is a mental illness.
  13. http://www.9news.com/news/local/next/lets-be-clear-flat-earthers-who-reject-basic-science/466171828 I was not sure if this was a SC post or other one, but here it is. I'll throw $1000 their way to fund the journey to the edge of the earth. But I want to join to document the struggle. There appears to be no mental illness at play here. Pure cognitive denialism.
  14. Calvin19

    2017 Eclipse

    It's worlds better than what DOT was warning, but heart still goes out to anyone traveling away from the totality line!
  15. Calvin19

    2017 Eclipse

    Only 92% partial in Golden, Co but I got to be in the air! Only pilot flying at this usually very busy site. Other than the animals being confused on the hike and a subtle erie dim sunlight and unusual COMPLETE lack of thermal activity during the 20min either side of maximum coverage it was uneventful. I did yell at a bunch of people pulled off on the road while I flew over them on the way down. looking through their viewfinders on SLR cameras with obvious lack of any filter on camera or eye wear. Even stopped down to 22f that's frying your retinas!
  16. Calvin19

    2017 Eclipse

    It's like people forgot the sun was bright. http://www.thedenverchannel.com/news/eclipse/why-its-not-safe-to-use-your-phone-in-selfie-mode-to-watch-the-eclipse
  17. Calvin19

    2017 Eclipse

    Just had to explain to several customers that exact same thing.
  18. Calvin19

    2017 Eclipse

    https://xkcd.com/1868/ Probably the only thing cooler than seeing a totality is not knowing you're about to see a totality.
  19. Yeah, Airbus is not cranking A380s off the line like they hoped.
  20. Out of sheer curiosity I wonder what a jump procedure would be as far as large altitude and mass changes. Max/min load/mass in the same flight configuration and helium and fuel as expendables and what the use is for repeated large Alt/mass changes.
  21. Our fellow skydiver flew the last domestic 747 flight and got his 15min. I've flown with Dave for years. Master at his trade. https://www.usatoday.com/story/travel/flights/todayinthesky/2017/08/01/uniteds-special-domestic-boeing-747-flight-party-38-000-feet/527905001/
  22. 6 My dad got it for me when I turned 16(2001). I think I used it once over a 2 year period. Grew up in mountains where service was almost non-existent.
  23. I could not agree more. Like skydiving it has gear-intensive training, mind-fucking to people never exposed to it before. And the beauty is of another world co-existing on a pale blue dot. And like skydiving you rarely if ever meet someone who regrets it.
  24. Wow... that's a beauty! So much detail and precision work there. I'm impressed. My dad would be proud. He collects guitars and is a life-long musician and once played with his hero and reason for moving to Colorado; John Denver. One of two times I have seen my dad cry was when JD nosed the VariEZ into the pacific. He has 2 of JDs old guitars and is playing for the Aspen 20th anniversary this summer. Thanks! Thats very cool about your dad. I dont currently build acoustic guitars, but I plan to add that capability to my shop in the next year. Its really a matter of some tools and jigs that are particular to acoustic guitars that I dont currently have. Good luck to your Dad at gig :) I've never built an instrument, but I've built wood aircraft and for a custom acoustic you've got your work cut out for ya
  25. Wow... that's a beauty! So much detail and precision work there. I'm impressed. My dad would be proud. He collects guitars and is a life-long musician and once played with his hero and reason for moving to Colorado; John Denver. One of two times I have seen my dad cry was when JD nosed the VariEZ into the pacific. He has 2 of JDs old guitars and is playing for the Aspen 20th anniversary this summer.