knowing that im going to be running the 1100lb bag I first got started with a little reinforceing
added a brace along the bottom so the screws for the hinges are not being stressed
http://i527.photobucket.com/albums/c...0-30-12002.jpg
laying out the aluminum angle bars
http://i527.photobucket.com/albums/c...0-30-12003.jpg
adding bolts and then its time to install
http://i527.photobucket.com/albums/c...0-30-12004.jpg
board is inplace
http://i527.photobucket.com/albums/c...0-30-12005.jpg