|Quoting Okelleynyc (Reply 5):|
My understanding of gliding is that you're always coming down. It's just that the column of air you're in is rising faster than your decent rate. So the net effect is you're able to maintain your altitude or climb.
|Quoting Aogdesk (Reply 6):|
Demonstrate like this: With your right hand raised, make a flat surface high above your head. Now, in one quick swooping motion, bring your hand down across your friends face, making firm contact. You've already done your best to explain verbally, hopefully my method of demonstration will drive the point home.
|Quoting MrChips (Reply 2):|
Tell your friend to think about a boat in a river.
|Quoting 3MilesToWRO (Reply 3):|
the boat won't sink, whatever her speed would be. So the friend can easily reject this example as Completly Different Thing
|Quoting Soku39 (Reply 13):|
Ha I like all of these especialy Aogdesk's. Thing is he just doesn't get that its the wind over the wings, not the motion in any direction. As much as I explain the more he argues back. So for now I'll let him coninute thinking the Earth is flat till this summer when I can take him up during some 35+ knot winds aloft. The cost of the flight will be the bet.
|Quoting Starlionblue (Reply 15):|
Then again, if the runway were a conveyor belt.
|Quoting Oly720man (Reply 19):|
Do you have any birds like seagulls that he can see hovering or flying backwards on a windy day?
Tell him to walk up the down escalator, or down the up escalator. Same idea.
Aircraft travel relative to the wind, he travels relative to the escalator.
Get him to throw paper planes on a windy day.
|Quoting Cancidas (Reply 21):|
did it only one, on a day with 50kt winds aloft.
|Quoting Litz (Reply 27):|
Was it a Dale Brown novel where the guy landed the 727 on the aircraft carrier in the middle of a tropical storm or hurricane?
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