Project 3X5 by John Anderson, is a unique approach to educational aerodynamics-using simple 3"X5" index cards to create interesting, good flying paper gliders.
I've had requests to talk more about how I make markings so put this together. I plan to go step by step once I'm to the point of making markings for our F4D Skyray project.
Read the article here ►http://wp.me/p5LuFX-s1
