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Rod Dickinson's art work has focussed on an ongoing involvement and fascination with several areas of peripheral belief; including crop cirles and UFOs.
For the last decade he has covertly created crop circles. www.roddickinson.net...
Aerodynamics
The V formation greatly boosts the efficiency and range of flying birds, particularly over long migratory routes. All the birds except the first fly in the upwash from the wingtip vortices of the bird ahead. The upwash assists each bird in supporting its own weight in flight, in the same way a glider can climb or maintain height indefinitely in rising air. In a V formation of 25 members, each bird can achieve a reduction of induced drag by up to 65% and as a result increase their range by 71%.[1] The birds flying at the tips and at the front are rotated in a timely cyclical fashion to spread flight fatigue equally among the flock members. The formation also makes communication easier and allows the birds to maintain visual contact with each other.
Originally posted by RUSSO
reply to post by acidsweep
1- birds fly in V formations. (not so sure.)
Aerodynamics
The V formation greatly boosts the efficiency and range of flying birds, particularly over long migratory routes. All the birds except the first fly in the upwash from the wingtip vortices of the bird ahead. The upwash assists each bird in supporting its own weight in flight, in the same way a glider can climb or maintain height indefinitely in rising air. In a V formation of 25 members, each bird can achieve a reduction of induced drag by up to 65% and as a result increase their range by 71%.[1] The birds flying at the tips and at the front are rotated in a timely cyclical fashion to spread flight fatigue equally among the flock members. The formation also makes communication easier and allows the birds to maintain visual contact with each other.
2- birds to not shine light.
3-birds don't glide that fast. If you look at how some of them are gliding around so fast that far away, means it's extremely fast.
But i can be wrong.
Originally posted by DisturbedToo
Video 2 however....I have to go with migrating birds of some sort. Possibly snow geese? Pretty neat to see that many at once i must say. But it does look like a classic example of migratory birds.
Peace!