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Trebuchet (Joining Lumber)
Hello fellow off-season CDer's,
I'm building a trebuchet in my basement, and I want to make the swing arm out of 4x4 and 2x4, but I'm not sure how to join the two together end-to-end.
Some ideas have been tossed around, all including large bolts, some including large steel C-channel, but none of us (my brother, dad, or myself) have any real clue how to do it.
Any help would be greatly appreciated, images could validate hugs. No promises.
The attached image is what I came up with in SketchUp, feedback would be nice. The lines flanking the 2x4 are shims to keep it centered.
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I was in Scouts but I wanted out by the third meeting. I was in TSA, but I quit after a couple of weeks. I don't go camping with the SCA anymore. I was in taekwondo but I had to leave because I got sick.
I joined FIRST and stuck with it. It was nice enough to return the favor.
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I'd be more worried about getting struck by lightning right after winning the lottery. :p - evulish [more] 
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