To practice real life techique in the sim.. the flight-dynamics are WAY more important than the visual model. You can make a visual model of a wall clock that will behave as the air/aircraft.cfg file dictate.
Now.. never one to discourage a budding modeler.. be advised that building one, especially if it's your first, is at least a 200 hour project. Even if you work at it 10 hour per week you're looking at AT LEAST five months to build, perfect, animate, texture and make/tweak the flight dynamics, contact points, etc. Just getting the center of gravity right and getting the flaps to do what they're supposed to do (drag, lift, pitch) can be a several afternoon endeavor.
I'm working on a Cessna P210T:



I'm about 3 months into it with at least another month to go (and I work on it