If you have a great instructor, sure.

For the most part, it would not be advisable.

Can you? yes

Will you? I have money says no.

Do the big Ultra Stick, you can learn on that plane easy. Others will dissagree, I say they are wrong. Once you make that Ultra Stick ROCK, you can take 100% of the gear, including the motor and drop it in that H9 Stang.