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Author Topic: Flight  (Read 135 times)

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AGelbert

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Flight
« on: March 23, 2022, 12:53:16 pm »
Welcome to the Sober Thinking Forum.

This is the continuation of the Renewable Revolution Forum, with the same categories and boards arrangement. In order to provide topic thread continuity, this post will be duplicated in frequently viewed topic threads along with selected posts from that topic at the Renewable Revolution Forum. I will gradually, as time permits, copy pertinent articles posted there, update them, and post them here for your convenience.

I have no intention of closing the Renewable Revolution Forum, so any links you have to posts, articles and graphics there are valid for the time being. Nevertheless, I advise you to 🦉 copy and save any posts, articles and graphics that you wish to preserve for posting somewhere else on the internet. I am 75 years old. As long as my spirit hasn't permanently left my body, the Sober Thinking Forum will be kept open.   

Although guests are encouraged to post and become members, this forum is mostly a library reference of important historical information and timeless articles that you are encouraged to pass on, with or without attribution.

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« Last Edit: March 29, 2022, 04:26:13 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

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AGelbert

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French Alps Flying eagle point of view #1
« Reply #1 on: March 23, 2022, 12:58:40 pm »
October 30, 2013

Flying eagle point of view #1

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Flying eagle point of view #2

You can also watch the new 2015 footage of our eagle soaring the skies of Dubai:

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« Last Edit: March 23, 2022, 01:48:06 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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The secret of the bumblebee that had scientists scratching their heads about how it could fly with such tiny wings is that it flaps them forward AND backward for double the lift.

The design of such a creature is an example of irreducible complexity. A bumblebee HAD to be able to flap its wings in both directions from the beginning of its species' existence or it would not have been able to fly.

This is no small feat. WHY? Because the wing muscle velocity of movement for a double flap HAS to be able to use energy without overheating the bumblebee (like the hummingbird, a creature totally unrelated to a bumblebee). Hence, it has a very special metabolism, unlike birds (it's far heavier in proportion to its wings than the hummingbird) and most, if not all, other insects.

This creature is not the product of random chance. The amazing bumblebee, like ALL the living creatures we see in nature, was DESIGNED on God's drawing board.

                       
« Last Edit: March 23, 2022, 01:59:22 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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Try to imagine a "transitional life form" to a Lady Bug.
« Reply #3 on: March 23, 2022, 01:56:03 pm »

Feast your eyes on the complex wing machinery of the Lady Bug. Its twin shell wing protectors open forward to allow large FOLDED wings to unfold and double flap (like a bumblebee but much slower because of the greater wing size).

Try to imagine a "transitional life form" to a Lady Bug. ???

Would it function without all the flying machinery exactly as it has them now? Of course NOT!

Maybe you don't want to believe God created the Lady Bug, but "evolution" sure didn't!

This tiny bug is more complex and has more moving parts than a B747, but we are supposed to believe the FANTASY that this amazing little bug came about by random mutations?

  I don't think so. ;D
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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November 07, 2013

How Long Can Birds Stay in Flight?


Alpine Swift

Alpine swifts, birds that weigh less than 0.25 pounds (0.11 kg), are able to fly continuously for more than six months. :o These birds have been tracked with electronic tags and found to have been in the air for more than 200 days. It is thought that their diet of airborne insects and an ability to rest in mid-air are contributing factors to this ability. Movement tracking devices for animals were developed in the 1960s, but versions small enough to be attached to birds weren’t available until the early 2000s.

More about birds' flight:

•A female bar-tailed godwit was once recorded flying continuously for 7,145 miles (11,500 km) from Alaska to New Zealand, which is roughly equivalent to a person running 43.5 miles (70 km) per hour for a week.

•Ruby-throated hummingbirds have been found to be able to make a flight from the Yucatan Peninsula in southeastern Mexico to the southern US in less than one day.

•The tern is estimated to migrate about 1.5 million miles (2.4 million km) during its average lifespan of 30 years, which is equivalent to traveling to the moon and back three times.
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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Bee Fuzz 🌻👈🐝 🌞
« Reply #5 on: March 23, 2022, 02:28:26 pm »
November 14, 2013

Bee Fuzz



I have always admired the fact that bees have fuzz.

Though that fuzz makes bees look pretty, that isn't the main reason it is there.

When bees flap their wings, having that fuzz causes a static ⚡ charge to build up so that when they land on a flower, the pollen jumps at the bee! :o Those amazing little Earthlings were DESIGNED to use Renewable electricity to catch pollen grains from the getgo!

And now the big question for the atheists: What came first, the bees or the angiosperms?

If you say they were evolved "simultaneously', you lose the "it's all random chance and their is NO intelligent design" debate!

After all, bees are just a little different from angiosperms, wouldn't you say?

Bees are threatened from a variety of causes that Humans have brought about. Scientists don't know all the causes but are convinced the immune systems of bees all over the world are becoming compromised.

Scientists further state that mankind, as well as a lot of flowering plants, will have a difficult time surviving if the bees perish. 
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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November 28, 2013


Why a butterfly flutters by

by David Catchpoole

Have you ever thought that the butterfly, with its jerky fluttering flight, is a ‘primitive’ and inefficient flyer? After all, its wings don’t look even remotely aerodynamic, compared to the beautifully streamlined ‘aerofoil’ wings of birds and airplanes.

butterfly-flutter

Indeed, just 10 years ago, conventional laws of aerodynamics could not explain how any of the insects could fly at all,1 let alone maneuver so masterfully at low speeds—hovering and flying backwards and sideways, in complete control.

In the last decade, however, researchers have uncovered a variety of ‘unconventional’ ways that these gossamer aeronauts use their wings to stay aloft.2 For example, one particular flapping movement creates a spiraling airflow (vortex) along the edges of the wings, generating some of the lift which ‘conventional steady-state aerodynamics’ could not account for.3

The fluttering of butterflies is not a random, erratic wandering, but results from the mastery of a wide array of aerodynamic mechanisms. 

LEVs (Leading edge vortices) are the main lift generating mechanism for insects and is totally different from the steady state aerodynamics design of aircraft
 
Now, after filming red admiral butterflies flying in a ‘wind tunnel’, researchers have been surprised by a whole range of complicated wing movements which generate more lift than simple flapping would do:

‘wake capture,

two different types of leading-edge vortex,

active and inactive upstrokes,

in addition to the use of rotational mechanisms and

the Weis-Fogh “clap-and-fling”? mechanism’.
4

What is more, the red admirals often used completely different mechanisms on successive wing strokes!

So, rather than being ‘primitive’, we now understand that butterflies flutter because they choose each wing stroke from a customized armory of twists, flaps, claps and flings. In the words of the researchers, ‘the fluttering of butterflies is not a random, erratic wandering, but results from the mastery of a wide array of aerodynamic mechanisms’.4 No wonder butterflies are so adept at taking off, maneuvering, maintaining steady flight and landing.


Aeronautics engineers even desire to copy these mechanisms, e.g. for robotic spy ‘insects’,5 but there is still a long way to go before they can match the capabilities of insect flyers.6 



For example, the software design in man-made aircraft requires many man-years of work and powerful computer chips for its implementation. In contrast, the flight control center in the brain of a fly has been estimated at about 3,000 neurons, which ‘gives the insect less computational power than a toaster, :o yet insects are more agile than aircraft equipped with superfast digital electronics.’7 So how do insects exercise flight control over such a wide range of aerobatic abilities?8 One commentator observed, ‘If engineers ever understand that, there will be a revolution in aeronautics.’7 

There is one engineer who understands. He is the One who originally put these flying marvels together in the first place—the Lord, the Maker of the heavens and the earth, and the sea, and all that is in them.


Agelbert NOTE: If you watch closely in the video above, you can almost see the butterfly creating the double vortices at the trailing edge of his wings on the down stoke and then being sucked up by them as it goes into the up stroke. There's an energy saving secret here! The vortices actually allow the butterfly to use much less energy to lift its wings for the upstroke! Amazing!

Related Articles
Astonishing acrobatics—dragonflies
Why a fly can fly like a fly
Beautiful black and blue butterflies
Aces of the Air
Butterfly brilliance
Dragonfly design tips
Watch a glasswing passing (without flying colours)
Lessons from locust wings

Further Reading
Pterosaurs flew like modern aeroplanes
Amazing discovery: Bird wing has ‘leading edge’ technology
Good design in miniature
Fancy flying from advanced aeronautics:
Expert engineer eschews “evolutionary design”

References and notes
1. Brookes, M., On a wing and a vortex, New Scientist 156(2103):24–27, 1997. Return to text.
2.Wieland, C., Why a fly can fly like a fly, Journal of Creation 12(3):260–261, 1998. Return to text.
3.Insects defying the laws of aerodynamics? Creation 20(2):31, 1998. Return to text.
4. Srygley, R.B. and Thomas, A.L.R., Unconventional lift-generating mechanisms in free-flying butterflies, Nature 420(6916):660–664, 2002. Return to text.
5. Butterflies point to micro machines, BBC News, news.bbc.co.uk/2/hi/science/nature/2566091.stm, 13 January 2003. Return to text.
6.Sarfati, J., Can it bee? Creation 25(2):44–45, 2003. Return to text.
7. Zbikowski, R., Red admiral agility, Nature 420(6916):615–618, 2002. Return to text.
8. See also: Sarfati, J., Astonishing acrobatics dragonflies, Creation 25(4):56, 2003. Return to text.

http://creation.com/why-a-butterfly-flutters-by
« Last Edit: March 23, 2022, 05:56:56 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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Nothing flies better than a Dragonfly!
« Reply #7 on: March 23, 2022, 03:30:22 pm »
December 28, 2013


Please note that the "primitive" insect above called a dragonfly (found in fossils allegedly over 500 million years old ::) with the exact same morphology as a "modern" dragonfly) is considered PRIMITIVE because it has FOUR WINGS. However, science JUST LEARNED that it can outfly anything on the planet BECAUSE those four wings are independently articulated for in-phase or out-of-phase wing pattern flight (22%less power required!). This is a box canyon logical bag of worms conundrum for evolutionary true believers. Good!

Dragonfly design tips
 
by David Catchpoole

Just how can the dragonfly perform its energetically-demanding aerial acrobatics—flying backwards or forwards, fast, slow or hovering—and remain airborne for such extended periods?

The answer, in part, is that it has four wings.

While many flying insects use only a single pair of wings (and very well, too1), dragonflies have ‘unusual musculature’ that allows them to move each of their four wings2 independently, which is a key factor in their ability to perform “astonishing acrobatics”.3

It had been thought that such out-of-phase flapping comes at a cost, i.e., reducing the amount of lift the insect can generate.   

However, bioengineers have built a robotic version of a dragonfly, attaching sensors at the base of the robot’s wings to record lift and drag forces, allowing researchers to calculate aerodynamic efficiency.4,5 And it turns out that in out-of-phase flapping, the hind wings can extract extra energy from the wake of air sent by the front wings, reducing aerodynamic power requirements by up to 22% compared with a single pair of wings. ;D This mechanism, the researchers explained, “is directly analogous to that exploited by coaxial contra-rotating rotors, exemplified by helicopters such as the Kamov Ka-50.”4

What’s more, dragonflies have the flexibility to switch between out-of-phase flapping and in-phase flapping as appropriate. When taking off, for example, real dragonflies synchronise their wing beats, thus they are able to lift and accelerate better than if they used only two wings or four out-of-sync wings.

With this new insight into the aerodynamic efficiency of out-of-phase flapping, engineers hope to apply it in the next generation of flapping micro air vehicles.

As one bio-engineer explained, battery life limits how long micro air vehicles can stay aloft, so “any tips or tricks which enhance aerodynamic efficiency will be warmly welcomed.”5

It defies reason to suggest that an energy-efficient aerial acrobat such as the dragonfly was not intentionally, and intelligently, designed.

In fact, the researchers involved in this aerodynamic efficiency study apparently recognized the difficulty their finding presents to the widely-accepted 🐵 evolutionary scenario, which posits that four-winged dragonflies arose long before (i.e., are “more primitive” than) the two-winged Diptera:

Quote
“Caution must be applied when interpreting the biological significance of the above observations. Suggesting an evolutionary advantage to either two-winged or four-winged forms is unwise, considering the success and diversity of the true flies (Diptera), and yet the maintenance of the four-winged form by dragonflies since the Carboniferous.”4,6 
 

Surely it makes much more sense to say that four-winged dragonflies and two-winged flies were each designed to do what they DO do, and what they DO do, they do well!  ;D

http://creation.com/dragonfly-design
« Last Edit: March 23, 2022, 03:48:06 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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Falcon vs Raven in Slow Motion
« Reply #8 on: March 23, 2022, 03:40:46 pm »
May 04, 2014

Falcon vs Raven in Slow Motion


BBC Earth Unplugged 1M subscribers

It's Birds vs Machine as Duncan Barbour and the VampyreBATT try to stay ahead of Lloyd Buck's beautiful peregrine and raven, for Si to catch some amazing aerial footage.
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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AGelbert NOTE: Outside of the TOTALLY FALSE assumption by the above scientist that flight is an ability that insects "evolved", it 's a cool video. There is ZERO evidence of transitional flight characteristics in insects, period. There are NO insects with partial wings for millions of years in the fossil record. But still the RELIGION of the Darwin persists.

The amazing thing about the above scientist's cognitive failings is that he describes in DETAIL how incredibly specialized fly sensors and wing anatomy and physiology are DESIGNED ONLY for flight, not walking, swimming or crawling.

Such Darwinian pretzel reasoning is breathtaking. 🤦‍♂️
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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The Tiniest Flying Life Form on Earth
« Reply #10 on: March 23, 2022, 04:41:17 pm »
December 22, 2014

Megaphragma is the TINIEST flying life form on Earth!

Megaphragma wasp is the size of a Paramecium! :o

This life form is so unusual, it has cells that exclude cell bodies around the nucleus that Eukaryotic (true) cells "normally" have. Scientists think that is so because "there ain't no room for cells with all that stuff in a critter that small".  ::)

But they WON'T say the obvious! That is, that it seems to have been DESIGNED that way from scratch; the size of a critter is a function of cell anatomy and physiology, not the other way around.

Are they going to say that 'millions of years of squeezing in tight places' EVOLVED the cell anatomy and physiology so it could EVOLVE a tinier wasp? That is REALLY reaching! 

That is NOT the way "natural selection" is supposed to work anyway. Supposedly, the "BIG" flies got killed off and the ones with the tiny cell machinery mutation survived. I don't think so.

WHY?

It's a chicken or egg problem for the Darwinists. Did this type of cell precede the more common Eukaryotes or did a wasp "mutation(s)" -( it takes a LOT more than ONE mutation to RADICALLY modify cell anatomy and physiology this way!) produce this exquisitely adapted parasite to be almost invisible to the host?

There is simply ZERO reason to be that small. There's lots of room out there and a plethora of larger prey that won't spot the wasp even if it is 10 times larger.    

Even if Megaphragma is paraded as the only living example of what Eukaryotic cells were like before they EVOLVED into the ones most Eukaryotic life forms have today, then why is it still here? 🤔

If it was SO SUCCESSFUL for over millions and millions of years or so, how come the BASIC cell anatomy and physiology model was 'changed'? This is proof of DESIGN, not evolution.
 
What we have here is "Moore's God's law of miniaturization of flying equipment" cells. Neurons are super tiny too!

So, are you gonna tell me this wasp Evolved from a NON-flying microscopic whatever/wasp? Hello? Those cells REQUIRE specific design to create that tiny wasp. It will not be able to fly without the microminiaturization of cell function. It would be too heavy and probably 10 times as "large" (no longer microscopic).

It would need a more advanced design for a larger size like the exquisitely designed Drosophila melanogaster (fruit fly) sensory package (some of them not understood yet like eyes separate and apart from the "normal" eyes and a sensor they believe is also related to flight), and two types of wing muscles, ALL SPECIALIZED for FLIGHT, not crawling, walking or swimming.

They are USELESS except SPECIFICALLY for aerial foraging and evasive maneuvers to avoid getting eaten while FLYING. Yes the reflex time is also valuable when they are perched but the sensory package for a ground based insect is much, simpler. When insects cannot MOVE fast because they don't fly, they have other defenses like gas and stink and sprays which are radically different from the rapid response motion detecting sensor package on flying insects. The whole ENCHILADA is more proof of DESIGN:


In summary, there is, apparently, no way an insect as small as Megaphragma could fly without the biologically designed microminiaturization of its Eukaryotic cell anatomy and physiology. It's AMAZING!
 
LOOK at how TINY the Megaphragma wasp is. It's just over 200 micrometers ( 200 μm):

If WE could microminiaturize OUR neurons, we could have orders of magnitude more processing ability.

I'm sure somebody in the MIC is "working" on it....



I still can't get past 100 gigaFLOPS. Need more Brain!   


« Last Edit: March 23, 2022, 05:03:11 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12

AGelbert

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😎 Through an Eagle's Eyes in the Alps
« Reply #11 on: April 13, 2022, 05:00:08 pm »
Through an Eagle's Eyes in the Alps - Video & Audio [1080HD] SlowTV


« Last Edit: April 13, 2022, 05:30:35 pm by AGelbert »
So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets. Matthew 7:12