Thanks, that was a quick answer.

Well, another question, where can I learn the lingo (banking, pumping,etc.)? I tried to google these terms but couldn't find a site explaining all these terms...

I can make a loop, but the segments keep spinning when I am going vertical so they keep the coaster in a normal position, instead of upside down. So the coaster goes on the top of the loop instead of inside it. So what is the trick to make the segments upside down? Do I have to use some kind of spec...