by Jeff Goin | Apr 29, 2019 | 01 Training, 26: The Wing
This question comes up frequently, especially when someone buys a wing that claims to be certified but later finds out it’s not. If there’s no label describing its certification, it’s almost certainly not certified in that size. Some wing sellers say...
by Jeff Goin | Apr 29, 2019 | 19: Risk & Safety, 22: Aerodynamics, 23: Motor & Propeller, 26: The Wing, Advanced Launching
Some wings, when combined with some motors, will oscillate. You swing back and forth in shallow little banks with no pilot input. It’s caused by a variation of Loaded Riser Twist where one riser has more load than the other–a fleeting condition that...
by Jeff Goin | Apr 29, 2019 | Critical Thinking, Political
Well, it LOOKS flat. So how do we know it’s not? I know two people who really the earth is flat, so I was curious. Is there a way we could answer the question directly, using understandable logic and measurements possible with the naked eye and a protractor. I...
by Jeff Goin | Apr 29, 2019 | Political
From the department of “Ridiculous things people believe”. Jan 31, 2007 The next picture shows an SWA airplane leaving contrails. That reminded me of an interesting question I got a while back about contrails. The person pointed me to a web site that...
by Jeff Goin | Apr 29, 2019 | Airline Safety
This accident hit home a bit since I’ve been working on improvements to airport diagrams and other areas. News reports tell of the horror that is always imbedded in such tragedies. And the human toll is indeed horrific when so many, so suddenly and so...
