Posts Tagged Gyro

FIRST Notes from a College Road Trip

I’ve been touring colleges in the North East for a few days now, and, amazingly, FIRST and related things seem to pop up at the most unexpected times!

At Rochester Institute of Technology, I was looking through the list of merit scholarships when one in particular caught my eye. The FIRST Robotics scholarship at RIT awards $6,000 a year simply for being on a FIRST team in high school. I.e., you could come in with a 2.0 GPA (unlikely) to study English (also unlikely), but so long as you were on a FIRST team in high school, you are eligible for this scholarship.

I want to give a shout-out to team 424, whose captain I met today at Cornell. He guessed I was on a FIRST team by my team T-shirt (I somehow accumulated 3 of them this year, so I’m wearing them to most of the bigger name colleges I’m visiting).

In an engineering building at Cornell, there was a display of mechanical devices. One of which was a model of a gyroscope, which had a caption that puts to rest once and for all whether a reaction wheel is more effective than a gyroscope: “…reaction wheels, apply torque simply by changing the rotor spin speed, but CMG (fancy acronym for gyropscope) are far more power efficient. For a few hundred Watts and about 100 kg of mass, llarge CMGs have produced thousands of Nm of torque, enough to flip over an SUV. A reaction wheel of similar capability would require megawatts of power.

Finally, in a nearby hall, I spotted more or less our cart design, except actually fabricated! That’s right, a group at Cornell built a crab drive cart that carries land mine detection equipment. Needless to say, I took plenty of pictures for later review.

I’ll be back sometime after Battle o’ Baltimore. Who knows how many more times I’ll see FIRST related things before then!

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Week Five: 1/31/09 – 2/6/09

We took advantage of the first full week of school in nearly a month to get a lot done on the robot. The three-wheeled backerman drive was completed and prepared for transfer onto the robot itself. The dumper and harvester were altered to better manipulate moon rocks within the robot and the catapult was completed and tested in conjunction with the camera. Thanks to this, we now have a much better idea of the catapult’s range and ability. The final parts for the gyro were acquired and construction began on it. Our programmers continued to work diligently on the LabVIEW code and made changes to the website. Meanwhile, the public relations subteam worked on the team’s entries for various awards and provided the programmers with additional content for the website.

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