long wire antenna
in [Repair]
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From: Leonard Caillouet on 10 Mar 2010 06:54 "AZ Nomad" <aznomad.3(a)PremoveOBthisOX.COM> wrote in message news:slrnhpd7dp.u1v.aznomad.3(a)ip70-176-155-130.ph.ph.cox.net... > On Tue, 9 Mar 2010 13:33:43 -0500, Leonard Caillouet <nospam(a)noway.com> > wrote: >>"AZ Nomad" <aznomad.3(a)PremoveOBthisOX.COM> wrote in message >>news:slrnhpco1s.8kk.aznomad.3(a)ip70-176-155-130.ph.ph.cox.net... >>> On Tue, 9 Mar 2010 06:07:42 -0500, Leonard Caillouet <nospam(a)noway.com> >>> wrote: >>>>"AZ Nomad" <aznomad.3(a)PremoveOBthisOX.COM> wrote in message >>>>news:slrnhpbef2.o0t.aznomad.3(a)ip70-176-155-130.ph.ph.cox.net... >>>>> On Mon, 08 Mar 2010 21:47:35 -0500, Rich Webb >>>>> <bbew.ar(a)mapson.nozirev.ten> >>>>> wrote: >>>>>>On Mon, 08 Mar 2010 20:29:02 -0600, AZ Nomad >>>>>><aznomad.3(a)PremoveOBthisOX.COM> wrote: >>>>> >>>>>>>On Mon, 08 Mar 2010 21:12:26 -0500, Rich Webb >>>>>>><bbew.ar(a)mapson.nozirev.ten> wrote: >>>>>>>>On Tue, 9 Mar 2010 01:53:39 -0000, "Arfa Daily" >>>>>>>><arfa.daily(a)ntlworld.com> wrote: >>>>>>> >>>>>>>>>I saw an interesting dissertation on this some time back, which put >>>>>>>>>forward >>>>>>>>>a much more complex but better believable theory as to how a wing >>>>>>>>>flies. >>>>>>> >>>>>>>>It's not really that complex. Didn't you ever, as a kid, hold your >>>>>>>>arm >>>>>>>>out the car window with your hand flat and "fly" it up and down as >>>>>>>>you >>>>>>>>changed the angle of attack? That's really all that's necessary. An >>>>>>>>airplane could fly (if not very efficiently) with wings made from >>>>>>>>flat >>>>>>>>sheets of plywood. >>>>>>> >>>>>>>All you've got there is an inclined plane. You aren't creating lift. >>>>>>> >>>>>>>Try it without the car. >>>>> >>>>>>The saying goes something like: with enough power, you could fly a >>>>>>brick. The lift comes from the angle of attack. >>>>> >>>>> Nope. You're just describing a fin. >>>>> >>>>> Lift comes from turbulance on the upper edge causing a vacuum. >>>>> Without the airfoil, what you have is pre wright brothers technology >>>>> which didn't fly. >>>>> >>> >>> >>>>Lift is still lift, whether it comes from the shape of the device or the >>>>angle of attack. When you change the angle you increase the pressure on >>>>the >>>>bottom. With a difference in pressure you have lift. As has been said >>>>before, not very efficient, and not straight up, and therefore difficult >>>>to >>>>create controlled flight. >>> >>> Go build an airplane using just a fin sometime. Video tape and it can >>> be added to all the other hilarious video footage pre wright brothers >>> flying machines. > >>I never suggested doing so. I simply pointed out that lift is a >>differential in air pressure. It is often assumed to apply only to wing >>shaped objects, but this is just an assumption. I don't think anyone here >>seriously thinks that a straight fin in a good idea for an airplane wing. > >>Don't try to make an argument were there is none. > > I wasn't the idiot who suggested that waving your hand around from > a car window was an example of lift. Actually, it is. It might even be an example of a wing, depending on how you shape your hand. You appear to be looking for an argument and enjoy insulting people rather than fostering understanding. Oh, but that is supposed to be OK on Usenet? Sorry, intelligent discourse can take place even here. Leonard
From: Phil Allison on 10 Mar 2010 07:32 "AZ Nomad" ** Bollocks. Study this page very carefully: http://www.aviation-history.com/theory/lift.htm ..... Phil
From: Phil Allison on 10 Mar 2010 07:32 "AZ Nomad" ** Bollocks. Study this page very carefully: http://www.aviation-history.com/theory/lift.htm ..... Phil
From: Phil Allison on 10 Mar 2010 07:32 "AZ Nomad" < ** Bollocks. Study this page very carefully: http://www.aviation-history.com/theory/lift.htm ..... Phil
From: Phil Allison on 10 Mar 2010 07:32
"AZ Nomad" ** Bollocks. Study this page very carefully: http://www.aviation-history.com/theory/lift.htm ..... Phil |