My grandfather and I went to the recently expanded Evergree Aviation and Space Museum in Mc Minnville, Oregon today. The day the Spruce Goose first came to Mc Minnville, I became a charter member of the then-future museum and have kept my membership since then. Long gone are the days of $15 membership dues. Now I pay $50 per year for an educational membership. Admission prices for non-members have gone up, as well.

This was my first time going into the space museum. The museum had its grand opening last year. Outside the building is as massive as the air museum that houses the Spruce Goose. Inside, it feels somewhat empty. The entire far wing is empty as is much of the back. There is much speculation that the museum will be receiving one of the space shuttles soon when they are decommissioned. Rather than artefacts from wall to wall, such as in the air museum, the space museum is mostly filled with interpretive displays. Personally, I like less interpretive displays and more artefacts but each unto their own.

The Titan II missile that is currently one of the anchor exhibits is truly impressive. It stretches from the roof to the floor and all the way down deep underground. We didn’t feel like going into the launch control mock-up in the basement but just seeing it standing upright, as opposed to being laid out like it had been before when it was housed in the air museum, was really impressive. The V2 rocket was also really amazing.

In the aviation museum there were one or two new planes but there were several prominent holes left from the shift of the spacecraft over to the new space museum. Outside the museum, a whole fleet of new fighter jets has been added since my last visit. Perhaps a few of them will be able to move inside out of the weather soon. I always thought it was a shame to see all of those beautiful aircraft outside slowly rotting in the rain.

Overall, the visit was fun and interesting, as always. However, with how expensive it is to go to the museum, I am afraid that soon it will be unaffordable for many families. I hope the museum doesn’t go too up-scale and price out much of the market I think it should be serving.

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Yup, that’s right.  I passed my thesis defense!  There are some small changes to make in my thesis, an appendix to add, and copies to print off.  Then it’s signatures, a library copy, and picking up my diploma.

More details about the defense will be forthcoming.

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Addressing Cultural Factors in Mechanical Design

By Douglas Lee Van Bossuyt

Candidate for Master of Science in Mechanical Engineering

Oregon State University

Abstract

Mechanical design is often based on formal methodologies such as Quality Function Deployment (QFD). Techniques to quantitatively account for qualitative design factors such as attractability, sensory perception, and affective customer response have been successfully incorporated into these methodologies and are receiving growing acceptance across many industries. In today’s global economy, however, further work is needed to address the challenge of moving designs across cultural boundaries and facilitate the transfer of products to diverse and culturally distinct consumer groups.  This presentation describes one approach to quantitatively addressing cultural factors in the design process.

Monday, December 29, 2008

10:00 am, Rogers 226


osu-logo

School of Mechanical, Industrial, and Manufacturing Engineering

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During the week preceding Christmas all the way up through Christmas day, a series of storms hit the Willamette Valley that dumped upwards of two feet of snow at my parent’s farm. In Corvallis we received somewhere around five inches over the course of several days. These are the photos of our wild snowy week and a half of fun.

Corvallis

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Newberg at the Farm

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A few weekends back, Emily, myself, Carl, Bobby, and a few friends drove over to Newport to go camp in a yurt for a few days. Our original plan was for Bobby and me to go diving for some fun. In the end, we never even tried to get into the water. A very high tide coupled with monsoon rains, hail, snow, ice, 30 foot swells, breakers coming into the parking lot at the south jetty, and logs rolling everywhere in the water made us a bit nervous to get into the drink. We still had a grand time hanging out in the yurt, trying and failing to catch crabs, and walking to the beach to watch the storm.

Here are a few pictures. More are available by clicking on any of the photos.

Camping in a Yurt in Newport
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Brenton and I wrote up a little report for our advanced power generation systems class with Dr. Peterson. He asked us to analyze a combined brayton/rankine cycle power plant and find the optimum configuration with a few parameters set. After futzing around with the code in Engineering Equation Solver, otherwise known as EES, we got a working model. Then we went a little crazy.

Instead of probing around manually using EES, we found that there was a wrapper to interface between EES and Model Center, a piece of software that is designed to explore trade spaces and can also find optimal designs on the side. Predictably, OSU had purchased the “commercial” version of EES rather than the “professional” version. This caused us some headaches because the “commercial” version is crippled. It will not accept command-line prompts which the wrapper for model center relies on.

Some quick thinking found a program called AutoHotkey that can inject keystrokes and mouse clicks into any program. A small script and some editing of the wrapper file, and we were in business. Albeit, it was a slow bit of business. Rather than running a few hundred iterations of the model in a few minutes, we could only run one per ten seconds because of the troublesome graphical interface that insisted on loading with EES every time the model ran.

After about a day of non-stop simulating with one of us babysitting the computer for the periodic crap out and explosion of EES, we had good data. All points indicated a convergence at one point. It was actually pretty darn efficient. We slapped the results and methods into a report and shoved it underneath Dr. Peterson’s door at about 2am the morning it was due.

The report is available in Microsoft Word format. Eventually I might put it on the site directly but for now, it’s an attachment only.

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Masters Thesis Draft

I finished my Masters Thesis draft last night. It’s still pretty rough and will be beat into shape this week. I had to get it out the door for my committee to read over before next Monday’s defense.

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Something I thought up to describe the battle cry of scientists everywhere.

And lo, the battle cry of a thousand lab coat-clad warriors was heard echoing across the hallowed field of academic battle, “FOR SCIENCE!!!”

December 20, 2008 | No comments

This afternoon, Brent and I went down to Eugene Skin Divers Supply to return three tanks that I wasn’t able to use last weekend due to the bad weather at the coast. They were very nice about it and gave me a credit toward renting my next set of tanks or buying tanks. With the crazy good deal they have on steel high pressure 100’s, I decided to go ahead and buy two brand new tanks. About 600 bucks later, I had two very nice fully NITROX-ready tanks.

Of course now I won’t be able to afford buying anything outside of raw necessities for the next several months. But, hey, I saved at least $100 compared to buying those tanks at normal prices. I’ve had my eye on them for a good six months already. Finally took the plunge and now I am quite happy with the results.

Just after I finished paying for the tanks, two maintenance men come in who are working on the big air compressors in the back and say that someone’s Ford Taurus just got broken into. I think to myself… “hmm… I wonder who else has a Taurus here at the shop today?” The answer was no one.

Someone had smashed in the front driver’s window and made off with Brent’s cheap MP3 player. It was sitting in the center console which must have made it a good target. Nothing else was touched, however. My mom’s nice camera was still safely in the back seat. Brent’s couple thousand bucks worth of SCUBA gear was sitting in it’s box in the back seat. All of my insurance papers and other such important documents were still in place. Literally the only two things that had been touched were the window and his MP3 player.

The guys in the shop were really nice and helped us clean up the glass and fashion a temporary window out of some hard plastic form one of their displays. We taped it all up and took off back to Corvallis. The insurance company told me not to bother filing a police report since nothing of particular value had been taken. In total, it will cost me $100 worth of deductible and however much of my time to get the window replaced.

To help pay for the deductible, I am going to sell some extra SCUBA weight that I have kicking around. If you happen to be in the market, let me know. I’m selling it for $4.50/lb and have all hard weights.

The take-away from today is: don’t leave shit that looks like it might be worth stealing in your car in the neighborhood of Van Buren and 6th Street in Eugene. Car break-ins do happen!

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The Foobar 2000 audio player is yet another piece of software that I find quite useful. It plays pretty much every audio format I have ever thrown at it. Unlike what happened to WinAmp, this software is surprisingly low-bloat.

December 9, 2008 | No comments

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