I am waiting on some aluminum to start on my fuselage, so in the mean time I am planning on tackling bending the upper front longerons.  Do you guys think I should wait until I have more of the fuselage done before I do this, or is it OK to tackle this right now?

Also, I have been hearing from some non-builder types that tell me that I could crack the longerons when doing this. Has anyone had this problem?

Also, does anyone have any tips or trick for me in…

I have a row of rivets to measure out.  The plans inform A5 with a 20mm pitch, and do not specify how many rivets in the row.  I figure that (5/32) *3 = 15/32. So, I marked my first two rivets at both ends of my L stiffener at 15/32 from the short and long edge.  Then, I measured out the distance in mm between the two marks and came up with a number that does not fall on a perfect 20 mm spacing.  Furthermore, my plans do not inform of a normal rivet spacing tolerance.  I called zenith for…