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#1
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Resistance to Turbulence
I took a friend on a flight from Colorado Springs to Santa Fe yesterday. The trip was pretty smooth on the way down, but on the way back we experienced some light turbulence. It didn't bother me, but by friend was starting to become nauseous. I started me thinking about the vortex generators and a claim I saw that the aircraft becomes more stable in turbulent air. For those who have the vortex generators, STOL kits, and winglets have you found that your airplane is more turbulent resistant with them vs. without them?
Karl 
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#2
05-19-09, 06:58 AM
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I have had two airplanes with VG's (a Maule and now my 337) and one without. While they seem to vastly improve flight characteristics at the stall and indeed lower book stall speed, turbulence is turbulence. My patient flyer wife (who gets motion sick very easily) is still grabbing the barf bag from time to time and/or taking ginger pills -- with VG's or sans-VG's.
Bill
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#4
05-19-09, 10:34 PM
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Another case of wishful thinking.
Thanks for the information, Karl
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#5
05-23-09, 12:04 AM
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Every female in my family wears the electronic wrist, motion sickness devices, and they swear by them. Get your wife one, tell her you put VG's on the plane and it eliminates motion sickness, and see what happens
 A little placebo VG flying with the wristbands may do the job.
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#6
05-23-09, 11:22 AM
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On our marine mammal surveys, we frequently circle in place for 20-30 mins at a time at 30 degree bank angles, so in light/no wind situations we regularly encounter our own wake. Last year, using a 'straight' 337, we got some pretty good jolts after several circles. This year we've been using a 336 with a Robertson (Sierra) STOL kit and the whole crew seems to think the wake turbulence jolts are much milder than last year (in the 337).
Strictly anecdotal and I wouldn't attempt to explain it aerodynamically, but thought I'd offer the info. In any case, I seriously doubt it'd be worth the cost of a conversion for whatever improvement there might be in the ride. Joe C.
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