Colin Gibson
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  • Tulsa, OK
  • United States
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Colin Gibson's Discussions

Parafoil Return to Point Descent Vehicle

Started this discussion. Last reply by Andreas Gazis Sep 25. 17 Replies

I am developing an unpowered paraglider system that will return the payload from a weather balloon to one of a few clear/open landing areas.  The idea is that depending on where the balloon bursts…Continue

Tags: parafoil

 

Colin Gibson's Page

Latest Activity

Andreas Gazis replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"NASA launches rockets, those cost significant amounts of money and the legal framework keeps a small army of legal experts busy. DIY rocket enthusiasts also launch rockets, the simplest one can be as cheap as a plastic bottle with water and…"
Sep 25
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"once again, I am always on topic read below and say that you are sorry If you try to say, that Colin Gibson is not on topic, so I have nothing to say. If you have previous knowledge and experience in launching weather balloons, building weather…"
Sep 24

Moderator
RM Aviation replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"No Darius you are not on topic, as usual you hijack a thread and make wrongful assumptions about the discussion at hand and plain errors in understanding the salient points. "
Sep 24
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"You said: "The OP asked about getting a parafoil to return from a balloon, presumably bursting at high altitude. There was no mention of payload price. The meteo community are using tried and tested methods because their equipment is expensive…"
Sep 24
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"you said: " I do not understand where the assumption for super expensive payload comes from. You are free to contact NASA, NOAA,  any UN agency for details on weather balloon projects and on cost estimates If your project is small and…"
Sep 24
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"You said: " spiral dive is a well tried and tested manoeuvre in the sport exactly weather balloon has nothing to do with any sport weather baloon is not human controlled apparatus But you are free to test and show us results of your tests,…"
Sep 24
Andreas Gazis replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"@ d j: Sorry, I do not understand where the assumption for super expensive payload comes from. This site is DIY drones, we discuss anything that is remotely capable of autonomous movement. The OP asked about getting a parafoil to return from a…"
Sep 24

Moderator
RM Aviation replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"Darius you are so wrong.....again. Deaths in paragliding have nothing to do with the discussion at hand and do not support your point in any reasonable manner. The spiral dive is a well tried and tested manoeuvre in the sport and is taught to all…"
Sep 23
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"follow up did you count failed landings in your video (jumping into water) ? https://www.youtube.com/watch?v=nH__8UbK1S8"
Sep 23
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"I meant this reply have been deleted Rescue parachute is pretested, verified and certified technique to save playload in  case of balloon's burst. If you launch $100T+ weather balloons project you have to get insured against any risk (…"
Sep 23
Andreas Gazis replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"Um, what? What is a twist dive and what does it have to do with anything? I am talking about a spiral dive, see here: https://xcmag.com/news/dive-dive-dive/ one of the most basic rapid descent tricks any paraglider pilots learns. As to how much…"
Sep 23
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"" can exit whenever you feel like you are not correct twist dive can be controlled at low speed only https://www.bing.com/images/search?q=twist+dive&form=HDRSC2&first=1&cw=1129&ch=622 BTW deleting comments turns this thread…"
Sep 23
Andreas Gazis replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"Increase. Higher weight -> higher speed. Spiral dive is never uncontrolled or it wouldn't be used as a standard descent manoeuvre in paragliding so your risk of failure is damn small. What you don't have control over is direction while…"
Sep 23
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"@Andreas Gazis  ", another way to increase your speed is to increase your wing loading, increase or decrease the speed ? To solve the M$M worth problem how to save a payload in case weather balloon bursts I work with operation research,…"
Sep 23
Andreas Gazis replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"If you want to burn altitude using a parafoil, use a spiral dive (look for paraglider spiral dive on youtube). You will drift with the wind but will get to lower altitudes where wind speeds will be less extreme. Depending on the conditions and your…"
Sep 21
d j replied to Colin Gibson's discussion Parafoil Return to Point Descent Vehicle
"Since weather balloons fly against jet streams it's a good chance to have aerodynamic cell structure of your parafoil inflated by the wind. You can read wind speed from GPS tracker coming with every weather balloon but need to precalculate safe…"
Sep 20

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Please tell us a bit about your UAV interest
Aerospace Engineering graduate student working on a Master's in unmanned systems.
Hometown:
Tulsa

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