CR4: The Engineer's Place for News and Discussion
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CR4 Projects
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DIY Model Rocket Engine
CR4news
906 views
http://cr4.globalspec.com/blogentry/1798
Watch the CR4 crew launch a model rocket with a homemade solid-fuel engine. Don't try this at home!
http://cr4.globalspec.com/blo...
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Video Spy Plane on the Cheap
CR4news
389 views
http://cr4.globalspec.com/blogentry/8925/Video-Spy-Plane-on-the-Cheap Check out CR4's camera plane as it flies above the RPI Tech Park in Troy, New York. The best part? Thi...
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Diesel Motorcycle 1978 Kawasaki KZ400
CR4news
1,276 views
http://cr4.globalspec.com/blogentry/17546
CR4's Old School builds a diesel motorcycle that's designed to get 100 MPH on vegetable oil. Check out his blog entries, too!
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Linerless Soda Cans Get Decimated by Muriatric Acid
CR4news
973 views
http://cr4.globalspec.com/blogentry/9993
In an experiment to see what would happen if cola was allowed to act upon the actual aluminum can it came in, devoid of its plasti...
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Troublesome Trebuchet
CR4news
65 views
http://cr4.globalspec.com/blogentry/7248/Pumpkin-Chuckin-With-CR4
Watch the CR4 crew set up a homemade trebuchet and learn how not to launch pumpkins, water balloons, and...
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CR4 Balloon Pop - Time Lapse
CR4news
133 views
Watch this balloon pop at 600 fps - the pop occurs about halfway through the video.
http://cr4.globalspec.com/
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