KEN BLACKBURN EAA AirVenture 2002 PAPER AIRPLANES KEN BLACKBURN EAA AirVenture 2002
Paper Airplanes Who is Ken Blackburn? Basics of Flight The Paper Airplane World Record Secrets to making great paper airplanes
Who is Ken Blackburn Homebuilt Aircraft WWW.PAPERPLANE.ORG Paper Airplanes Guinness Record, Time Aloft 27.6 seconds on 10/08/98 World Record Paper Airplane Book Homebuilt Aircraft Moni, Formula 1 Air Racer WWW.PAPERPLANE.ORG
Who is Ken Blackburn Graduated NC State 1985 Aeronautical Engineering Boeing Engineer - 1985 to Present YF-23, F/A-18, T-45, AV-8B, and Missile Programs Aerodynamic analysis - performance and stability
Aircraft Design … Construction Structure Drag Stability Launch
Applies No Matter the Size Construction Structure Drag Launch Stability
Forces Of Flight Lift Thrust Drag Weight
LIFT Lift is from fast air over airfoil Fast air comes from curvature and nose up at an angle Elevator Paper airplane elevator keeps nose up at an angle
Aerodynamic Comparison 5 Popular paper airplanes Derive CL & CD from measured flight data Compare with predicted aerodynamics Dart1 Dart2 Eagle Square World Record
Test Method Measure glide angle, time Assume steady glide Reduce errors via multiple test points CL range by adjusting elevator settings
Example Flight
Performance Comparisons Dart 1 Dart 2 Eagle L/Dmax= 4.0 CLmax= 0.40 L/Dmax= 3.2 CLmax= 0.50 L/Dmax= 5.8 CLmax= 0.92
Performance Comparisons Square World Record L/Dmax= 5.8 CLmax= 0.53 L/Dmax= 6.7 CLmax= 0.64
Guinness Record - Time Aloft 1 sheet of paper (some tape allowed) Indoors Throw from floor Timed from leaving hand to contact with any object Witnesses and news media Photos and video tape required
How I Set the Record Developed the World Record airplane at 13 Set record in 1983 - 16.89 seconds Reset record in 1987 - 17.2 seconds Reset record in 1994 - 18.80 seconds British set record in 1996 - 20.9 seconds Regained record in 1998 - 27.6 seconds
Paper Airplane Adjustments “Y” Shape - Lateral stability Up Elevator - Prevents nose dive Weight on the Nose - Greater stability
The World Record Airplane From The World Record Paper Airplane Book Good Duration and Aerobatic Flyer
The Count From The Kids’ Paper Airplane Book Good Distance and Accuracy Flyer British used similar plane in 1996 to break my record