in this video...Tips for MIG Welding Thin Wall Square Tubing in position.
Downhill overhead and horizontal
The monster coupon is a fairly common test given because it qualifies for a greater range of diameters and thickness. This video shows some techniques for the stick fill and cap and body positioning tips.
Amperage, Rod Angle, Arc Length are the key factors for stick welding vertical 7018 tee joints
In this video...overhead welding at 130 amps with 7018 1/8" electrode.
One mistake I made in welding school was running too cold on overhead