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Portal 2 Hints
How can I get the franken-turret onto the big red button?
1 of 12: Look across to the other side of the chamber to see that a franken-turret has already been dropped. No need to look around for a button pedestal, then.
2 of 12: As for getting the franken-turret to the big red button, you're going to need to use the excursion funnel.
3 of 12: Put an orange portal on the wall where the funnel hits it, then think about where to put the blue portal.
4 of 12: There's nowhere to put it so that you can ride the extended funnel across to the other side, so you'll need to figure out a way to funnel the franken-turret over to you.
5 of 12: Start by putting the blue portal on the wall that's opposite the franken-turret so that the extended funnel will pick the franken-turret up and push it against the wall.
6 of 12: Now's when the reverse-polarity gimmick will come in handy.
7 of 12: Stand on the big red button to see that it reverses the flow of the excursion funnel (and turns it orange, too).
8 of 12: With the flow reversed, the franken-turret will be pulled along the funnel toward its source. How can you use that to get the franken-turret onto your floor?
9 of 12: What if you un-reversed the funnel's polarity after repositioning the blue portal onto the portal-friendly wall that's directly across from you?
10 of 12: Stand on the big red button and wait until the franken-turret goes through your portals, then put the blue portal on the back wall so that the new extended funnel section goes across to the left or right of you.
11 of 12: Get off the button to cause the funnel to start flowing in its original direction again, then wait for the franken-turret to be pushed along to a spot near you.
12 of 12: Either pull the franken-turret out of the funnel or relocate the blue portal so it'll fall onto the floor, then put it on the big red button.