Brief Description: Attach 6-b-3-6 and L-angles 1 of 3
Sandwiched 6-b-3-6 between H.T.'s and upper longeron. Lined up back edge and centered 6-b-3-6 side to side. Checked with plumb-bob to bottom center line.
Cut L-angles 360mm and trimmed edge away at the rear end to get the line up with the large slotted hole in 6-b-3-6.
Layout holes in L-angle and Upper Longeron where the transistion occurs.
