Originally Posted by fishkens
But a hacksaw?
I used a hacksaw because I wanted to make a cut that was relatively narrow and also precise. I didn't want to have a big gap to weld up, nor to mess around with grinding and fitting the pieces. I think it would be difficult to get that fixture into a bandsaw at the correct orientation. With the arm cut accurately I could just cut the extension tube to 125mm (on a horizontal bandsaw
) and weld it in.
The swingarm tube is thin and made of mild steel, so easy enough to cut by hand with a sharp blade. I made an accurate mark around the circumference of the tube with the marker and just made sure the cut was always progressing along that mark.