How to get across testchamber 18?

I’m replaying Portal before diving into Portal 2 and I’m somewhat stuck in testchamber 18

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I’ve tried using gravity to get across, but I fear I’m doing something wrong.

Any suggestions?

Answer

Clue: Look down, near the water

Full answer on how to do the room:

1. Clear turrets if you’re a wuss by using the energy balls.

2. Activate the platform by putting the energy ball in the socket. Once you redirect it with the portal, you need to quickly (but not too quickly) portal a couple feet up and hit the button to open the doors protecting the socket.

3. Take the tram across and drop down into the lower alcove

4. Push the button, then quickly portal back to the main platform, placing a portal on the now slanted up, “door” panel. Quickly head to the right and use the platform below near the water to fling yourself out of said portal to where the cube is.

5. Grab cube, drop down to lower alcove (the moving platform can help).

6. Hit button, portal back to the main platform and escape before the panel closes once again

How to do it quickly (“traditional” way of doing a speed run, without jamming doors with cameras or using glitches):

1. Immediately when entering chamber, fling yourself across the room to the cube. Avoid activating turrets as best as possible by hiding behind solid panels (not the glass) while the door opens.

2. Grab cube and drop down to lower alcove

3. Hit button to open panel, portal across and escape.

Deaths to turrets and missing the drop are common. Do your best.

Attribution
Source : Link , Question Author : Ivo Flipse , Answer Author : Nick T

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