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#41
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I understand that's one of the reasons for wash-out in a wing, so that the
twist gives different parts of the wing different angles of attach so as to control which portions of the wing stall first. If different segments of the wing have different angles of attack, it seems it would follow that they also would contribute different amounts of lift. "Roger Halstead" wrote in message ... .....snip... The other is that all bits of the wing contribute equally to the lift. I'm probably missing something, but I think different areas of the wing produce different amounts of lift per square inch, or square foot. Particularly where the airfoil changes shape between the root and the tip as opposed to a constant cord wing like the old Hershey bar wing on the Cherokees. Roger Halstead (K8RI EN73 & ARRL Life Member) www.rogerhalstead.com N833R World's oldest Debonair? (S# CD-2) Tim |
#42
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Steve
Do, but it's a trade off between safety and performance. Big John On 8 Aug 2003 09:04:05 -0500, "Steve House" wrote: I understand that's one of the reasons for wash-out in a wing, so that the twist gives different parts of the wing different angles of attach so as to control which portions of the wing stall first. If different segments of the wing have different angles of attack, it seems it would follow that they also would contribute different amounts of lift. ----clip---- |
#43
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I'd like to clarify one thing -- My original letter to the Wings
Channel (which was given a perfunctory "Thanks for writing, but we're too busy to reply") was written because I feel the network has an unhealthy fascination with planes that kill. An occasional show about bush pilots and their planes, the use of planes on ranches and for humanitarian aid, etc., would be very welcome. Besides, I still find the Luftwaffe and Alexei Tupolev old news. AJ |
#44
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Todd Pattist writes:
"Steve House" wrote: So the whole debate is about whether the instructor in question should have used the words "adequate lift" instead of just "lift." So how many angels was it you said could dance on that pinhead? The difference is like the difference between your bank saying they just charged you 5 bucks for being overdrawn and the bank telling you they zeroed your account for being overdrawn. It is a common and fundamental misunderstanding (that many CFI's share) that lift goes to zero when the wing stalls. Going to zero is not the same as beginning to decrease any more than being charged 5 bucks is the same as having your bank account wiped out. Hey, I'd *much* rather have my account zeroed than have 5 bucks deducted if I'm overdrawn. -- David Dyer-Bennet, , www.dd-b.net/dd-b/ RKBA: noguns-nomoney.com www.dd-b.net/carry/ Photos: dd-b.lighthunters.net Snapshots: www.dd-b.net/dd-b/SnapshotAlbum/ Dragaera mailing lists: dragaera.info/ |
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