@mad_jock: I don't know what thread it came from, but if the person on the right is the instructor, he should know that when you apply full throttle the nose goes to the left. Nobody corrected for that. And the student (I think) on the left should never have been allowed to pull up the nose like that while flying towards the tree tops, that's an accident waiting to happen.
@SSD: During my lessons in a C172 I was taught to gain speed, then lift the nosewheel a bit, and it will fly off on its own. On a grass runway you lift the nose sooner to reduce drag and wear. Once enough speed is gained, it will fly without additional input. Some might call that part where the nose is lifted rotation.
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I now see the other thread. Let's keep those discussions there.