The Peirce link is broken:
http://www.jfsowa.com/pubs/goal5.pdf
So I tried the home page at:
http://www.jfsowa.com/
but I couldn't find the link above by traversing down
the home site.
Is there another link?
Thanks,
-Rich
Sincerely,
Rich Cooper
EnglishLogicKernel.com
Rich AT EnglishLogicKernel DOT com
9 4 9 \ 5 2 5 - 5 7 1 2
-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of John F Sowa
Sent: Tuesday, November 26, 2013 6:21 PM
To: ontolog-forum@xxxxxxxxxxxxxxxx
Subject: Re: [ontolog-forum] Biologically
inspired cognitive architecture (wasSemantic Dementia)
On 11/26/2013 4:02 PM, Rich
Cooper wrote:
> the Wrights... did their demonstration at Kitty Hawk, North
Carolina
> due to the stead wind and the soft sand dunes
which make crashing
> easier. By the others who “could only fly in a
straight line” above, do
> you mean the dirigibles and balloon crafts of
that day?
Kitty Hawk was their first
powered flight. But it got very little
attention.
> By the others who “could only fly in a straight
line” above, do
> you mean the dirigibles and balloon crafts of
that day?
No. I mean *all* the other attempts at powered
flight. The designers
concentrated on designing engines with more and more
power, but they
couldn't control their planes. For example,
From http://en.wikipedia.org/wiki/Wright_brothers
> Facing much skepticism in the French aeronautical
community and outright
> scorn by some newspapers that called him a
"bluffeur," Wilbur began
> official public demonstrations on August 8, 1908
at the Hunaudières
> horse racing track near the town of Le Mans, France.
His first flight
> lasted only one minute 45 seconds, but his
ability to effortlessly
> make banking turns and fly a circle amazed and
stunned onlookers,
> including several pioneer French aviators, among
them Louis Bleriot.
> In the following days, Wilbur made a series of
technically challenging
> flights, including figure-eights, demonstrating
his skills as a pilot
> and the capability of his flying machine, which
far surpassed those
> of all other pioneering airplanes and pilots of
the day.
Note that this was in 1908 -- five years after their
first flight
at Kitty Hawk.
Nobody else could even fly in a simple circle.
From http://en.wikipedia.org/wiki/Wing_warping
> Wing warping was a common feature of early
aircraft, including:
>
> The Wright Flyer (1903)
> The Blériot XI (1909) following modifications
introduced by Raymond Saulnier
> The Etrich and Rumpler Taubes (1910), the first
mass-produced military plane in Germany,
originally used a cable-warped horizontal stabilizer trailing edge to give
elevator functionality as well
> The Morane-Saulnier N (1915), a World War I
French scout
> The Fokker Eindecker (1915), the very first
German fighter plane
> The Antoinette V (1908), a wing-warping variant
of the Antoinette IV
> The Antoinette VI (1909), an aileron-equipped
variant of the Antoinette V.
> Its designer was not satisfied with its
handling and later converted
> it back to wing-warping operation
Note the dates: One year after the Wright brothers
gave their demo
in France,
all the successful designers adopted wing warping.
Ailerons later became the norm because they were
simpler to build
and control. But note that computer control has lad
to some modern
versions of wing "morphing":
From http://en.wikipedia.org/wiki/Wing_warping
> Wing morphing is a modern day extension of wing
warping in which the
> aerodynamic shape of the wing is modified under
computer control.
> The technique, it is hoped, will give improved
control at flying speeds
> near the speed of sound where traditional control
surfaces are less effective
Jack P.
> According to a video history of the Wright
brothers, they were just
> high school educated. That video made it clear
that they did, in fact,
> mimic wing warping. It seems unlikely to me,
though I have no proof
> either way, that they knew of the Bernoulli
concept.
Many of the early airplane designers had strong
backgrounds in
math & physics. But the Wright brothers did a lot
of hard work
in observing birds, flying kites, and flying gliders.
I'm all for using math. But theory + observation +
experiment
beats theory.
To return to the theme of cognitive architecture, see
Peirce's cycle
of pragmatism: slide 32 of
http://www.jfsowa.com/pubs/goal5.pdf
Peirce knew math & logic. But he also did a lot
of hard work in
experimental physics, engineering, and lexicography.
Unlike most
armchair philosophers and linguists, he was an
associate editor of
the _Century Dictionary_, for which he wrote, revised,
or edited
over 16,000 definitions.
John
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