The reason you are confused is that there is no consensus. Everyone has a theory. Given that you are using a solid drum and the fast motor, be sure to attend to information provided with those settings.
Whatever charge temperature you decide on, be sure to warm your HUKY enough that the three TCs are all stable before you decide to charge. A well warmed up HUKY is worth waiting for.
I'm guessing GregR's directions on roasting with a solid drum are still a good place to start (maybe even finish) your journey.
Charge weight is a bit less controversial, and the HUKY seems to be the easiest to guide through a roast at about 350gm. TC placement is probably the biggest determining factor on what makes a good load IF you are relying on telemetry to make decisions.