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Saturday, April 18

System Ball: Remember when?

With System Ball less than a week away I thought it would be fun to look back. Here is a 1996 article from the capital on this. (Sorry for the poor reproduction quality but hey, it was 1996!)

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This year's systems ball competition will take place Wednesday April 22nd, at 1530 in Rickover 102. Professor Knowles will give his farewell lecture, then the four robots will abttle until the end. Immediately following will be the 1/C BBQ.

Hope to see everyone there!

Thursday, April 16

System Ball April 22nd, at 1530

This year's Systems Ball competition (a battle bots type event) will take place Wednesday April 22nd, at 1530 in Rickover 102. Professor Knowles will give his farewell lecture, then the four robots will abttle until the end. Immediately following will be the 1/C BBQ.

Everyone is invited. Hope to see everyone there!

Sunday, March 1

Goin' Ballistic

October marked another semester's ES300 ballistics lab, but this semester there was a twist. Instead of the typical lecture and demo period in the Bancroft Hall Rifle Range, ES300 students were challenged with making a gun of their own in order to learn ballistics...a potato gun. For those not familiar, a potato gun is made from readily available PVC pipe, and is fired using any number of household aerosols, including hairspray and deodorant to propel the common Idaho spud to distances exceeding 200 yards. Gun construction is very simple and involves a hacksaw and PVC cement. The real trick is getting the correct fuel-air mixture, and igniting it with sufficient spark to get good combustion. This year's lab succeeded on all counts...well enough to consistently launch potatoes from 1st class parking, all the way across Hospital Point into the Severn.
videoAfter the potato gun lab, students were brought down to the range and given a demo on interior, exterior and terminal ballistics. The indoor range cannot handle the energy from a rifle round, so only handguns were tested, including .22, 9mm, .40 and .45 pistols. Impact media included ballistics gel (just like in Mythbusters), Kevlar armor, and some proprietary molded armor from a company called MACRO Industries. The intent was to show how combat ammunition performs on various targets and in different scenarios. Students gained an appreciation for the marksmanship skills necessary to effectively dissuade the enemy from pursuing a negative course of action.
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