"Roger Long" skrev i en meddelelse
...
OK, I admit to some shooting from the hip on the
freewheeling prop business. Let's see if I can make a
substantial contribution to the subject.

First of all, you have to recognize that a propeller,
airplane or boat, is just a wing going around in a circle.
The relationships are a little harder to understand
because the mental model you try to make in your head has
to spin around. If you break it down into short strips at
fixed distances from the shaft centerline however, it is
fairly easy to understand.

If you would first like a non-technical explanation of
wings, I can recommend some articles published in Avweb,
the major aviation E-zine, by a frequent contributor to
this and aviation newsgroups. These articles created a
firestorm of controversy among uninformed pilots but,
except for some minor errors, have never been seriously
questioned by an aerodynamics professional. One even uses
them in his college introduction to aerodynamics. Many of
the concepts apply to sails so may be of interest to this
group. For example, you can find out why sails do not
stall dramatically as do airplane wings.

You can find these articles he

http://home.maine.rr.com/rlma/Articles.htm

SNIP
--

Roger Long


Thank you for most interesting input Roger ... It seems to
be right, that "all complex problems has at least one simple
solution . . . . that does not work".

Unfortunately, I do not get a response, when I try to use
the above link ... Is it closed for Danes?

best regards

--
Flemming Torp

Unfortunately, I do not get a response, when I try to use the above
link ... Is it closed for Danes?

Yes, some of us are still upset about the Viking invasions

Seriously though, I have no idea why. I've had people read it all over
the world. Try later.

--

Roger Long

"Roger Long" skrev i en meddelelse
...
Unfortunately, I do not get a response, when I try to use
the above link ... Is it closed for Danes?

Yes, some of us are still upset about the Viking
invasions

As Carlsberg is saying in one of their adds: They took our
wiwes, but gave us the beer ... Sorry.

Seriously though, I have no idea why. I've had people read
it all over the world. Try later.

--

Roger Long



And you are sure it is as written in your message?
I've tried more than ten times, and I just get the message
that the page cannot be shown ...

--
Flemming Torp

I just clicked them both again directly from my post.

Try these direct links through Avweb.

http://www.avweb.com/news/airman/183261-1.html

http://www.avweb.com/news/airman/184307-1.html

You'll have to look in the second one for the CL diagram.

--

Roger Long



"Flemming Torp" fletopkanelbolle2rp.danmark wrote in message
. ..

"Roger Long" skrev i en meddelelse
...
Unfortunately, I do not get a response, when I try to use the
above link ... Is it closed for Danes?

Yes, some of us are still upset about the Viking invasions

As Carlsberg is saying in one of their adds: They took our wiwes,
but gave us the beer ... Sorry.

Seriously though, I have no idea why. I've had people read it all
over the world. Try later.

--

Roger Long



And you are sure it is as written in your message?
I've tried more than ten times, and I just get the message that the
page cannot be shown ...

--
Flemming Torp

"Roger Long" skrev i en meddelelse
...
I just clicked them both again directly from my post.

Try these direct links through Avweb.

http://www.avweb.com/news/airman/183261-1.html

http://www.avweb.com/news/airman/184307-1.html

You'll have to look in the second one for the CL diagram.

--

Roger Long


Thank you - both working! But still no answer on
http://home.maine.rr.com/rlma/Articles.htm ??

--
Flemming Torp
'kun en tåbe frygter ikke haven'

Please click this:

http://home.maine.rr.com/rlma

and let me know what happens. I'm curious if my site is being
censored in Denmark (maybe due to all those sexy looking boats).

If you do get the main page to open, click "Roger Long" and then
"Aviation Articles".

--

Roger Long

Roger,

Everything works just fine with animation and nice pictures
etc. etc.
I also tried the original link in your former message once
more, and it works just fine in a fraction of a second ... I
have made no changes to my set up ... Maybe your
administration is defending you from new "invasions" from
Denmark??? Very nice homepage by the way!

Best regards Flemming

"Roger Long" skrev i en meddelelse
...
Please click this:

http://home.maine.rr.com/rlma

and let me know what happens. I'm curious if my site is
being censored in Denmark (maybe due to all those sexy
looking boats).

If you do get the main page to open, click "Roger Long"
and then "Aviation Articles".

--

Roger Long

"Flemming Torp" fletopkanelbolle2rp.danmark wrote in
:

home.maine.rr.com

Flemming. Bring up your MSDOS (or whatever XP calls it now) window and
type in:

tracert home.maine.rr.com

you should see something like this:

Tracing route to home.maine.rr.com [154.6.66.43]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.0.1
2 15 ms 16 ms 17 ms 69.73.126.1
3 17 ms 13 ms 16 ms 24.214.0.178
4 13 ms 18 ms 15 ms ge.0-1-0.cr-Char.SC.knology.net
[24.96.110.57]
5 29 ms 27 ms 29 ms so.2-1-1.cr-Atla.GA.US.knology.net
[24.214.0.5]

6 25 ms 328 ms 30 ms unknown.Level3.net [63.211.121.5]
7 28 ms 26 ms 27 ms so-0-3-0.bbr1.Atlanta1.Level3.net
[4.68.96.9]
8 26 ms 30 ms 25 ms ge-11-0.hsa1.Atlanta1.Level3.net
[4.68.103.36]
9 27 ms 25 ms 29 ms s0.homecom.bbnplanet.net [4.24.209.50]
10 28 ms 27 ms 27 ms home.maine.rr.com [154.6.66.43]

Trace complete.

If it goes berserk with lots of * showing a broken link, just let it keep
trying. His webpage on RoadRunner in Maine works great and you can see my
link to it is also good from South Carolina. Let's see where the link
between your computer and his webpage is broken.

It is also very helpful if you copy the trace and send it to your internet
provider to help their network people get the problem fixed from their
upstream providers.

If that trace fails to start at all, the problem is in your internet
provider's DNS, the server that converts home.maine.rr.com into the IP
address 154.6.66.43 for your computer to all it. Computers only call IP
addresses and if the server can't find it, it'll just dead end or tell you
it doesn't exist. If the first trace fails try:

tracert 154.6.66.43

If that trace does work, contact your internet provider and tell them their
DNS server is having a bad day and to please refresh his DNS data.

Danmark isn't China. I don't think your socialists have anything
blocked...(c;

"Flemming Torp" fletopkanelbolle2rp.danmark wrote in
:

Thank you - both working! But still no answer on
http://home.maine.rr.com/rlma/Articles.htm ??


Still curious, I looked at the header in your message and the idiots
running tele.dk are posting your own IP address in every one of your
messages (62.252.180.211) for the krackers to attack.

I did a trace to your house using Sam Spade, a free internet traffic tool
from www.samspade.org which is much more sophisticated than Windows' awful
tool. You can download it free if you like. From the trace below, you can
see the path from my network in South Carolina, USA to your house. Steps 6
through 10 give no response to Sam's pings, but DO work as the traces in
the path below them are responding through them fine. The provider just
has his ping response turned off because there are several worms attacking
with pings on the internet this year. Ours was all turned off for months.
Step 21, at the bottom of the trace is YOU, your computer!...(c;

The 170 millisecond time your system responds to my pings is quite
respectable for Europe. Tele.dk has a long network between tascali.net,
their upstream internet provider, and your home, steps 13 through 21.

I bet you won't get a response to the tracert home.maine.rr.com in my
previous method. This would indicate their DNS server is hosed...not
working properly. I bet if you access the troublesome webpage with:

http://154.6.66.43/rlma/Articles.htm

instead, you will see this webpage fine. 154.6.66.43 is the IP address of
this web server, according to my DNS server. See if this webpage
responds....(c;

Boat stuff isn't all I like to play with....(c;

06/08/05 20:14:57 Fast traceroute 62.242.180.211
Trace 62.242.180.211 ...
1 192.168.0.1 1ms 1ms 1ms TTL: 0 (No rDNS)
2 69.73.126.1 14ms 15ms 13ms TTL: 0 (No rDNS)
3 24.214.0.178 13ms 15ms 13ms TTL: 0 (No rDNS)
4 24.96.110.57 12ms 15ms 14ms TTL: 0 (ge.0-1-0.cr-
Char.SC.knology.net bogus rDNS: host not found [authoritative])
5 24.214.0.5 25ms 24ms 26ms TTL: 0 (so.2-1-1.cr-
Atla.GA.US.knology.net bogus rDNS: host not found [authoritative])
6 No Response * * *
7 No Response * * *
8 No Response * * *
9 No Response * * *
10 No Response * * *
11 213.200.66.121 45ms 41ms 42ms TTL: 0 (ge-4-0-
4.was10.ip.tiscali.net bogus rDNS: host not found [authoritative])
12 213.200.81.101 112ms 113ms 111ms TTL: 0 (so-4-0-
0.lon12.ip.tiscali.net bogus rDNS: host not found [authoritative])
13 195.66.224.64 129ms 129ms 129ms TTL: 0 (ge1-
0.1000M.ldn2nxg1.ip.tele.dk ok)
14 80.63.82.6 130ms 133ms 127ms TTL: 0 (pos5-
0.2488M.ldn2nxg2.ip.tele.dk ok)
15 195.249.2.41 135ms 132ms 228ms TTL: 0 (pos4-
0.2488M.ffm2nxg1.ip.tele.dk ok)
16 195.249.14.50 161ms 161ms 164ms TTL: 0 (pos0-
0.2488M.ffm2nxg2.ip.tele.dk ok)
17 80.63.82.14 165ms 163ms 163ms TTL: 0 (so-1-3-
0.2488M.albnxu1.ip.tele.dk ok)
18 80.63.80.122 163ms 163ms 163ms TTL: 0 (pos3-
0.2488M.virnxg1.ip.tele.dk ok)
19 83.88.13.110 162ms 161ms 162ms TTL: 0 (pos0-
0.622M.virnxg4.ip.tele.dk ok)
20 83.88.7.149 161ms 163ms 163ms TTL: 0 (fe0-0-
40.100M.virnxx14.ip.tele.dk ok)
21 62.242.180.211 178ms 178ms 179ms TTL:235 (cpe.atm2-0-
112315.0x3ef2b4d3.virnxx14.customer.tele.dk ok)

I bet you won't get a response to the tracert home.maine.rr.com in
my
previous method. This would indicate their DNS server is
hosed...not
working properly.


Pretty good sluthing, Larry. I'm suddenly having some intermittent
trouble bringing up my own page and others from here. Road Runner has
generally been rock solid and has the best technical support I've ever
encountered but they to have occasional hiccups.

--

Roger Long