PA-28 / C172 Aerodynamics Trainer

Attitude

0 deg

Weight / Lifting Force

2,400 / 0 lb

Lift = 0.00x weight

Controls

CG Effects

Mid CG

Balanced elevator feel and stall recovery.

Longitudinal Stability

Positive Static / Positive Dynamic

CP is behind CG. Pitch swings get smaller.

10 sec

Ready

Attitude and air

Pitch attitude 6 deg

Airspeed 88 kt

Balance

Center of gravity 30% MAC

Center of pressure 42% MAC

Auto CP from pitch and stall

At increasing angle of attack, CP moves forward until stall. After stall, separation drives CP aft and the lift vector weakens.

Wing and tail

Wing camber 4.0%

Tail downforce 420 lb

More forward CG usually needs more tail downforce, so the wing must carry more total load.

Educational approximation only. It exaggerates CP travel and stall effects so the pitch couple is easy to see.