Here is an idea I have for a home crane (yardarm) for stepping my 272 mast. I want to be able to fully rig the boat before taking it to the marina for launching, and I just have 1 extra person to help, and she is trepidacious about having this mast fall. Especially so since it kind of landed hard when my mast A-frame broke due to unequal loading and twist on the mast as we lowered it to bring the boat home. It only came down hard about 2ft, but it was scary! So... Tell me what you think, and why doesn't anyone sell these on the internet? Yardarm: 
Measurements: 
Dimensions: 
Considering the relatively light weight of the mast, I think I could overbuild this with just 2" square, mild steel tube. Any ideas, caveats? Oh, the plan says, "4x4 lumber," but I am thinking steel considering the length. Also, the length of the arm can be shortened by a few feet by moving the mounting point up the wall, but then the mounting point and angle of the upper block and tackle changes has less leverage(?).
Thanks, Andrew
Measurements: Dimensions: Considering the relatively light weight of the mast, I think I could overbuild this with just 2" square, mild steel tube. Any ideas, caveats? Oh, the plan says, "4x4 lumber," but I am thinking steel considering the length. Also, the length of the arm can be shortened by a few feet by moving the mounting point up the wall, but then the mounting point and angle of the upper block and tackle changes has less leverage(?).Thanks, Andrew
