you got two major problems with want you want to do.

One there are a bunch of clubs in your area, meaning your going to shoot someone down without you knowing about it.

two you have no idea what your doing and these thing can kill people in the wrong hands

the instructor is there for your safety, the publics safety and your equipments integrity, do the trial and error thing on your second and third plane, but your ego supersedes your intelligence so you can't be helped

the guy helping you was doing that. helping. He's making sure your stuff is legal and in good working order. There is allot to know, and there is the right and wrong way to fuel it, to start it, to tune, to check it, to range check it, make sure the throws are correct and in the right direction, that the right input is to the right surface and then everything is at lease tight enough to survive the day. If you have a problem with that then there is no helping you. be sure to bring the garbage bag.