Restricted air space ? - The HuntingPA.com Outdoor Community

 
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post #1 of 9 (permalink) Old 03-19-2012, 09:07 PM Thread Starter
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Restricted air space ?

Apparently, snow geese get better wind resistance by drafting.


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post #2 of 9 (permalink) Old 03-19-2012, 09:22 PM
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Re: Restricted air space ?

sorry, that`s not drafting................

Cooperative fluid dynamics techniques like drafting are found in nature as well. Flocks of geese and some other birds fly in a V formation because the wingtip vortices generated by the front bird will create up-wash circulations. The birds flying behind will receive lift force from these up-wash vortices. Thus other birds in the flock do not need to work as hard to achieve lift. Studies show that birds in a V formation place themselves roughly at the optimum distance predicted by simple aerodynamic theory.[6] The theory behind this is the same as the one for the wings of an airplane in general.[citation needed] However it does not work quite the same way as drafting in racing. Birds fly in a flock for better lifting force whereas the race cars stay close for less total aerodynamic drag force.

Other animals have been observed to use true drafting behavior reminiscent of auto racing or cycling. Caribbean spiny lobsters for example are known to migrate in close single-file formation "lobster trains".[7][8]

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post #3 of 9 (permalink) Old 03-19-2012, 10:16 PM
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Re: Restricted air space ?

My eyes are going crossed starring at that pic, very cool.
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post #4 of 9 (permalink) Old 03-19-2012, 10:18 PM
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Re: Restricted air space ?

Cool!
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post #5 of 9 (permalink) Old 03-19-2012, 11:01 PM
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Re: Restricted air space ?

I am sending this to all my goose buddies who have insisted that they fly in a V formation to impress chicks. I knew they were nerds all along.

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post #6 of 9 (permalink) Old 03-19-2012, 11:48 PM
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Re: Restricted air space ?

great capture!

Keep 'em in the ten ring
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post #7 of 9 (permalink) Old 03-20-2012, 12:10 AM Thread Starter
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Re: Restricted air space ?

I am fully aware of the V formation and aerodynamics of birds in flight, it was a play on words for the topic, but appreciated the information. A few others showing natural flight. It is amazing to me the amount of limited air space and the ability to use the space wisely.




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post #8 of 9 (permalink) Old 03-20-2012, 10:47 AM
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Re: Restricted air space ?

nice pics

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post #9 of 9 (permalink) Old 03-20-2012, 01:03 PM
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Re: Restricted air space ?

Nice Work, Carl! It's amazing that they don't constantly run into each other and how they can communicate as a flock with all the honking and flapping going on around them.
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