Jan 17

Why Airplanes Crash?

fins

In addition to understanding the forces that affect flight, it is helpful to know some of the properties good airplanes share.Most important is the property we call STABILITY, which helps an airplane return to steady flight after a bad throw … Continue reading

Dec 29

Low Reynolds Number Flight

paper-airplane-airflow-boundary

Low Reynolds Number Flight Paper airplanes are smaller and fly slower than most other aircraft. So how does that affect their aerodynamics? Back in 1883 Osborne Reynolds, professor of engineering at the University of Manchester (England) carried out experiments to … Continue reading

Oct 10

Trimming And Flying

paper airplane 02

Trimming And Flying For FOLD AND FLY paper aircraft, the gap between theory and application is this one. Two things make a successful paper airplane: proper nose weight and correct trim. Since my designs are already well balanced, let is … Continue reading