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Nathan Bergey
Works at Portland State University
Attended Appalachian State Univeristy
Lives in Portland, OR
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Nathan Bergey

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How to build a control system for a rocket

From a senior capstone project at Portland State Aerospace Society:

http://www.instructables.com/id/Using-the-Intel-Edison-on-a-Cold-Gas-Reaction-Cont/
What's the purpose of making a reaction control system?Conventional attitude control systems for amateur rockets used attached fins, which offer passi...
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Thanks!
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Students at PSU doing their own schlieren photography. It's a surprisingly simple setup!
 
Last weekend I set up a rig for doing #Schlieren process photography. It's a way of visualizing fluid flows with variable density by magnifying the refraction of light though the medium. One good example of variable density flow is the buoyancy of heated air rising from a candle flame. I think it turned out pretty alright!... Be sure to watch till the candle is blown out.
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Slitscan of the Sun

Remember this amazing video of the sun from the Solar Dynamics Observatory? A timelapse of the Sun in 4K

+Charlie Loyd made this amazing slitscan from the video. Each row of pixels is from a single frame of the video.
This video.
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Higher And Higher

Portland State Aerospace Society is pushing the limits of small student aerospace projects. They're working on raising $10,000 by the end of October! Only a few days left!

http://foundation.pdx.edu/crowdfunding/psas
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Not yet. Maybe tomorrow.
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My project from Science Hack Day SF
 
What would the LHC look like in your hometown?

With this "LHC In Your Neighborhood" webapp, you can place the LHC ring over any location to get a local sense of scale: http://natronics.github.io/science-hack-day-2014/lhc-map/

Contribute on +GitHub: https://github.com/natronics/science-hack-day-2014/issues

#LHC #Accelerator #Tevatron
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You need to a version for 67P x
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Delft University of Technology's aerospace club is launching a huge rocket in the next couple of days! Check out their site and news blog. Great pictures!

Countdown is currently at 1 day and 18 hours.
A rocket, more so than other vehicles, is part of elaborate safety requirements and procedures. In part one of this blogpost we will discuss how safety considerations determine the lay-out of the Stratos II rocket and ground equipment. Pre-launch phases Since Stratos II is a hybrid rocket that ...
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Ok, good. Why is this hidden under a menu under a tab? Weird.
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I printed off my own copy of the wrench that NASA emailed to space! 

STL file hosted by NASA here: http://nasa3d.arc.nasa.gov/detail/wrench-mis
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Good job!
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Logbook L+1

Wow, wow, wow! It’s 22:00 here on the International Space Station (we’re on GMT time), I’m approaching the end of my first day in space and I cannot even begin to describe the experience of the past 30 hours or so. Really, I don’t know.

Saying good bye to my family, suiting up for launch, getting to the launch pad, riding up the elevator, strapping in... and then the launch, this wild ride to orbit and then an abrupt engine cutoff and feeling my body wanting to float off my seat. And the first glimpses of Earth: my first sunrise, the stars. My first sight of the ISS as we approached (more to that later) and then floating through the hatch into the warm embraces of Sasha, Elena and Butch.

The first clumsy attempts at “flying” , having our first meal, Butch giving us the toilet brief, Terry calling me to watch a sunrise from the Cupola.. and so many more impressions. It will take my brain days to process it all and I promise I will share as much as I can!

For now, I will tell you of one moment, which was so fortunate and unexpected. You know, when you fly to the Space Station in the Soyuz, unless you are the Commander sitting in the center seat, you can only see your destination from far away in the black and white camera view (the same image that is transmitted to Mission Control and usually shown during media coverage of docking). As a left-or right seater, you only have a side view and there’s no way to see the Station until you’re really close and parts of it start coming in your field of you. Before the flight, previous Soyuz fliers had reminded me to start looking for the Space Station in the side window in the last part of the approach and so I did: but I wasn’t prepared in the least for what I saw when we were at about 30-40 meters.

I had released my shoulder straps quite a bit at that point, so I was floating over my seat. As I turned to look outside, at first I looked back and saw one of our Soyuz solar panels, which I had seen before of course. Then my eyes caught something in the peripheral view. And as I slowly turned my gaze and when I realized what I was seeing, I was overcome by pure amazement and joy:  the Space Station was there, but not just any view. The huge solar panels were flooded in a blaze of orange light, vivid, warm almost alien. I couldn’t help exclaiming something aloud, which you can probably hear in the recordings of our docking, since at that point we were “hot mic”  with Mission Control. Anton reminded me of that and so I tried to contain my amazement and return to the docking monitoring. When I peaked again later, the orange glow was gone. 

Butch told me later that he had heard my amazement on com when  "the Station had turned orange.”  I didn’t know, but apparently there’s only a few seconds during day-night transition that the Station is lit by that amazing orange glow. And it happened to be exactly when I peaked outside!  I feel very fortunate that I had such a unique first glimpse of our human outpost in space: such a great welcome!

Which was only trumped, by the way, by the amazing welcome our veteran crewmates Sasha, Elena and Butch prepared for us!

Immediately after our arrival they took us to the Service Module to say hello to our friends and relatives in Baikonur and as soon as we have a few minutes break in the cm coverage they started to “ set the table”  with all the food they had already warmed for us!

Futura mission website (Italian): Avamposto42
avamposto42.esa.int

#SamLogBook   #Futura42  

(Trad IT)  Traduzione in italiano a cura di +AstronautiCAST  qui:
http://www.astronautinews.it/tag/logbook

(Trad FR) Traduction en français par +Anne Cpamoa ici:
 https://spacetux.org/cpamoa/category/traductions/logbook-samantha

(Trad ES - Currently not updated) Tradducción en español aquí:
http://www.intervidia.com/category/bitacora
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Learn more about running WiFi on rockets! Also donate to Portland State's student rocket club:

http://blog.psas.pdx.edu/2014/10/almost-there/
Portland State Aerospace Society is a student aerospace engineering project at Portland State University. We're building ultra-low-cost, open source rockets.
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DIY GPS for Rockets
 
New post on +Copenhagen Suborbitals  blog.
At Copenhagen Suborbitals we have been using GPS receivers from the very beginning for all our flying projects. GPS is indeed a relatively cheap and very simple to use instrument for determining the position of an object in 3 dimensions. By default all GPS units have some built-in limits (so-call
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In principle yes. The signal is extremely simple. In practice not so much. Getting the interesting details right is hard. (timing, fake noise, multipath, etc.)
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How Big is the LHC?

A little project I worked on this weekend at Science Hack Day SF: a map that draws the main ring of the Large Hadron Collider on a map you can move around. See how big it is compared to your home town.
LHC In Your Neighborhood. How big is the Large Hadron Collider? Move the map around to put an LHC sized circle around your hometown. Compare other colliders to see how they size up. LHC (Geneva, Switzerland). Tevatron (Fermilab, Illinois). Very Large Hadron Collider/Future Circular Collider ...
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Portland State Aerospace Society has built many amazing rockets over the years. We've always worked on a tiny shoestring budget doing things like running the fastest ever WiFi connection (over Mach 1!) Almost everything we do is open source (check out https://github.com/psas).

Help us raise a few thousand dollars to really get going in the next few years!!
Skip to navigation (Press Enter). Skip to sub navigation (Press Enter). Skip to main content (Press Enter). Directories. Faculty - Staff Resources · Apex Reports · ONE Prospect Management; Board Login. Contact. Google Custom Search. Enter Search Terms. Search ...
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People
In his circles
495 people
Have him in circles
13,180 people
Jaime Stark's profile photo
Aaron Farrington's profile photo
Miel Bronneberg-Rijnders's profile photo
Layana Singer's profile photo
Jeff Cook's profile photo
Kevin Potter's profile photo
Gabe Lynn's profile photo
Armand Victor Claustro's profile photo
Margie Arnett's profile photo
Work
Occupation
Rocket Scientist
Skills
Python, Aerospace
Employment
  • Portland State University
    Program Manager, Lab for Interconnected Devices, 2014 - present
    I am currently the Program Manager for the Laboratory for Interconnected Devices at Portland State University. We have a student run electronics store, large project workspace used by many student groups, and a fully equipped rapid prototyping lab, with PCB milling and plating machines, laser cutter, and 3D printers
  • open-notify.org
    2011 - present
    I run a small open api for some data about the International Space Station
  • Portland State Aerospace Society
    Physicist/Project Manager, 2008 - present
    I help run one of the most advanced University aerospace student clubs in the country.
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Portland, OR
Previously
North Carolina
Story
Tagline
Open Source Rocket Scientist
Introduction
I'm an open source rocket scientist. I work with students and other engineers at Portland State Aerospace Society. We build ultra-low-cost, open source rockets with very advanced avionics.
Education
  • Appalachian State Univeristy
    Applied Physics, Astronomy, 2002 - 2006
Basic Information
Gender
Male