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Once you get the basic settings in then it's just practice, and over time you will develop a technique that works for you as everyone is different. No different to learning to drive, lots of bunny hopping at first then it all just starts making sense and becomes second nature. Have fun.
I use deer skin gloves, they are thinner so beware off picking up hot stuff as they really only keep the UV light off your skin. Do you have a pedal to control the amps, they are worth the cost to be able to increase/ decrease the amps as you are running a bead, especially when tapering off at the edge where heat builds up real fast and blows through the metal. There will be a lot of experimenting to get started but don't worry it will come to you. Start with less amps and build up to what you need to get the job done. When finished write all your settings down in a notebook, so if your change settings for a different material you can always go back easily.
Much appreciated, I have only used a pedal so far. There’s also a switch on the torch but I haven’t tried it yet.
The pedal is the way to go, if it's getting too hot then just back off the pedal until the puddle is just how you want it. I noticed in the picture you had quite a large v groove as well as setting a gap between pieces, that leaves quite a lot of material to fill in, try just using one method or the other. As long as the gas can get down there, the arc will penetrate to the base. If you do have a large groove to fill then try doing it in 2 runs rather than all at once.
Is that what’s called a root and a cap?
Yes
