I built a mailbox post about 12 years ago which worked great until a snow plow snapped it in half. So I decided to make a new post, and video the process. Our mail box is a large T3 rural type. If you have a smaller, more common T1 size mailbox, the design can be easily modified. This is a not to hard DIY project. I show you how to do it. I used a 10 foot pressure treated 4×4 post, and some galvanized bolts, nuts and washers. That’s about it. The power tools I used were a 7 1/4″ circular saw and a drill. I could have used my DeWalt miter saw, but I decided to keep it simple.
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This is an educational video created to supplement the “Mechanics of Materials” course at the Colorado School of Mines. Each video is uniquely linked to a fruit name to facilitate searching for videos. A complete list of videos may be found at https://sites.google.com/site/ceen311/. Most of the videos have been designed without audio intentionally, so students may conveniently view the videos on their smartphones. I recommend that you pause the video, copy down the problem, and work it yourself. Then check yourself with the video solution. Happy studying! -SR