Tank jumping
From Halopedia, the Halo wiki
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This is a neat little way to make tanks go flying. First, go onto Coagulation (Level) (must have scorpions as primary tank) and grab a scorpion. Then drive up the rock near the shotgun spawn until the tank flips over. Then have the other person drive up the flipped tank with another scorpion so that one is completely on top of the other (stay in the tank). Then flip over the bottom tank and the top tank will go flying across the map continuously spinning. I once kept it in the air for a good 20 minutes (most of the time it lasts for a minute or two) and finally ended up out of the level where I got killed by the guardians.
There is also another way. In the level Delta Halo get the scorpion tank to the place where it says "You break it you buy it". Take care of all the enemies in the area. Then, blow up the energy shield right next to the fountain and drive on top of it(make sure you're centered). Sit there until the shield turns on. Move or fire your cannon, and you should go flying around, spinning the whole time. You will get hurt every time you touch something or spin too fast, and you will die a lot of the time, but it's fun for quite a while.You can also do this in the later part of the level Delta Halo where you get marine reinforcements and where the Pelican dropship drops weapon pods.
1. Drive your scorpion up the ramp till you see the stationary energy shields.
2. Destroy the shields with your cannon.
3. Drive on top of the shield generators.
4. Get out.
If the trick works, the scorpion will be flung into the air and blow up. This trick is hard to do as it varies on the position the scorpion tank is parked.
It can also be done on Zanzibar by driving the tank into the bottom of the wheel, near where the light vehicle spawns. As soon as the spoke touches your tank, start driving toward the water. If you are far enough off the side of the wheel, the front of the tank will catch on the bridge support and you will be sent flying and, with an overshield and luck, get a tank onto the wheel.
You can also do it by getting a Wraith and a Scorpion. And crashing the Wraith into the Scorpion at a certain angle, if you do it right it will send the Scorpion flying. Sometimes if you do it good enough, the Wraith will get launched also.
Double Tank Jumping
First you need two people for this glitch, you need to get a Tank and flip it by driving it up a courner of a building. then get the other person to drive a second Tank on top of the first then they stay inside of the tank, the first person then flips the first Tank sending the the first person, the second person and the second Tank flying.
