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Author Topic: Flight  (Read 675 times)

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AGelbert

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AGelbert

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Re: Flight
« Reply #3 on: October 30, 2013, 11:36:40 pm »
http://www.youtube.com/watch?v=YUfYiQSWJAg&feature=player_embedded
For maneuverability and multidirectional flight (including flight backwards!  :o),
 the dragonfly is a master of apparently effortless flight.
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Re: Flight
« Reply #4 on: October 30, 2013, 11:57:09 pm »
http://www.youtube.com/watch?v=7MzBygLUCwQ&feature=player_embedded
The secret of the bumblebee that had scientist scratching their heads about how it could fly with such tiny wings is that if 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.
                           
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AGelbert

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Re: Flight
« Reply #5 on: October 31, 2013, 12:12:59 am »
http://www.youtube.com/watch?v=0DU-BdWzlBI&feature=player_embedded
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 imagining a "transitional life form" to 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 did not!

This tiny bug is more complex and has more moving parts than a B747 but you want to cling to the FANTASY that this amazing little bug came about by random mutations?

  I don't think so. ;D
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Re: Flight
« Reply #6 on: November 04, 2013, 06:23:47 pm »

AGelbert

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How Long Can Birds Stay in Flight?
« Reply #7 on: November 07, 2013, 01:00:37 am »
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.
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AGelbert

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Bee Fuzz
« Reply #8 on: November 14, 2013, 01:05:46 am »


 

 

I always admired the fact that bees have fuzz.   
 
When they 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 have been using Renewable electricity to catch pollen grains for millions of years! 


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 Homo SAP has 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. 
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AGelbert

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Semachrysa jade
« Reply #9 on: November 14, 2013, 01:10:03 am »

Semachrysa jade wing


Semachrysa jade


Semachrysa jade


Taxonomy — the exploration and classification of species — has been around as a scientific discipline since the 1700s. The discovery of new species is generally performed by taxonomists who go on fieldwork missions to seek out new species in various geographical regions and climates.

A physical specimen typically is collected and compared against existing species in a catalog. The discoveries also often happen by accident or via tips from individuals, particularly since the technology for high-definition photography has been available.

For example, in 2012, an insect named Semachrysa jade was discovered after a hiker posted a picture from Malaysia on the website Flickr and an entomologist suspected that it was a new species. It was the first known species discovered as a result of social media.

More about new species:

The International Institute for Species Exploration estimated that, as of 2012, only 2 million of a possible 12 million living species had been discovered. :o

About 50% of all newly discovered species are insects.

Before embarking on fieldwork missions, taxonomists often use the website Google Earth to scout locations that are the most likely to result in the discovery of new species.

http://www.wisegeek.com/how-are-new-species-discovered.htm

TWO MILLION SPECIES DOWN, ABOUT 10 MILLION TO GO... With the help of the internet, Google Earth and social media, we might just identify the other Earthlings in our biosphere before we manage to kill most of them, AND US  :(, off by burning fossil fuels...   

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AGelbert

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http://www.youtube.com/watch?v=AuWvwf6gLU0&feature=player_embedded

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.


http://www.youtube.com/watch?v=PSKyqi9lQiw&feature=player_embedded
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: November 28, 2013, 11:06:11 pm by AGelbert »
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Nothing flies better than a Dragonfly!
« Reply #11 on: December 28, 2013, 07:24:03 pm »

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:    





“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

You know, it takes a special kind of Homo SAP arrogance combined with stupidity and denial of reality to claim dragonflies have "UNUSUAL" wing control musculature when these very same intelli-MORON evolution believing "scientists" believe dragonflies have been around for 100s of millions of YEARS!

They would be more accurate to say dragonflies never evolved. 

But they will never say anything to disrupt their evolutionary merry myth making paradigm. 



Listen Birdbrain, I'm the king of flight, not you!  ;D
« Last Edit: August 30, 2015, 08:39:57 pm by AGelbert »
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AGelbert

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AGelbert

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The Amazing Butterfly Funnel Effect
« Reply #13 on: June 04, 2014, 10:45:09 pm »


 

Amazing variety of design

One particular variant of butterfly stroke commonly called ‘funnel formation’ takes creative design to new heights. Here our focus is on what happens immediately after the wings pause at the end of the down stroke.

The wing tips just touch at the beginning of the upstroke: at this point this is a mirror image of the opening phase of the down stroke. As the upstroke progresses, however, two distinct flexural forces begin to simultaneously act on the wings—one along the chord10 of the wings from leading to trailing edge; the second acting at 90˚ to the first.


The two forces draw the wings into a funnel; the leading edges form the mouth, and the trailing edges compose the tapered body. As the funnel enlarges, air flows into the funnel mouth and the rear wing seal maintains the flow.



The funnel effect works until the wings separate: the instant that air leaks past the wing tips the effect is gone. The bonus for the butterfly is that by this point in the wing cycle the funnel has done its job; the wings are now moving fast enough for conventional aerodynamics to take over and generate sufficient lift.





http://creation.com/butterfly-designer-wings
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AGelbert

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Which Bird has the Largest Wingspan?
« Reply #14 on: August 14, 2014, 08:54:33 pm »
Which Bird has the Largest Wingspan?


The albatross has the largest wingspan of any other bird species, at approximately 11.5 feet (3.5 m). This large wingspan allows the bird to glide for hundreds of miles without ever flapping its wings. By the time an average albatross reaches 50 years old, the bird has flown over 3.7 million miles (6 million km). While the albatross has the largest wingspan of any living bird species, the ancient Pelagornis sandersi is thought to have had the largest wingspan of any bird in history at 21 feet (6.4 m), according to fossils estimated to be over 25 million years old.

More about the albatross:

•Albatrosses are also strong swimmers and can dive to depths of over 16 feet (5 m) when hunting for food.

•When a female and male albatross mate, they produce just one egg, which they each take turns caring for.

•Albatrosses have historically been hunted for their feathers to be used for decorations for women’s hats, as well as used for down cushioning. There is also evidence the birds were consumed as food by ancient Eskimos.

http://www.wisegeek.com/which-bird-has-the-largest-wingspan.htm
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