Help with tutorials sought.

[michaelbezos1]

Guys please help me refilling the tanks at the advanced construction training. 

[Vanamonde]

Hey guy. I have moved your question to its own thread. Good luck.

[AHHans]

I assume you mean in the situation like here:

To empty or fill the tank:

• First right-click on the tank that you want to empty or fill: 1
• That will open the part-action-window (PAW): 2
• In there you'll find one ore more green slider(s) that shows how much fuel the tank has at launch. Left-click on the slide to change its setting: 3

Tanks with rocket-fuel behave just like the tank(s) with monopropellant, except that you have two green sliders: one for "Liquid Fuel" and one for "Oxidizer". For "normal" rocket engines (like the Terrier or the Swivel) you need both.

Edited January 20, 2020 by AHHans