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#71
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Kristan Roberge wrote:
Heh... maybe they need to design for pigeon strikes and not chickens. Really... when was the last time you saw a chicken in flight higher than 20 feet off the ground, or hanging around an airport? Bird strikes happen near the ground as well as at altitude. Pigeons and gulls on the other hand, or ducks... they get up there a bit more. But are much smaller birds. A structure that will take the impact of a larger bird will take a smaller bird in stride. D. -- The STS-107 Columbia Loss FAQ can be found at the following URLs: Text-Only Version: http://www.io.com/~o_m/columbia_loss_faq.html Enhanced HTML Version: http://www.io.com/~o_m/columbia_loss_faq_x.html Corrections, comments, and additions should be e-mailed to , as well as posted to sci.space.history and sci.space.shuttle for discussion. |
#72
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"Kristan Roberge" wrote in message ... How often do you strike 4 pounds of bird? Other than ducks and geese, I can't think of many 4 pound birds you might run a plane into. Herring Gulls reach 1.5 kg Cormorants have been known to be as heavy as 3 kg Gannets are in the 2-3 kg range Swans of various types can reach 10 kg Keith |
#73
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In article ,
Derek Lyons wrote: Kristan Roberge wrote: Heh... maybe they need to design for pigeon strikes and not chickens. Really... when was the last time you saw a chicken in flight higher than 20 feet off the ground, or hanging around an airport? Bird strikes happen near the ground as well as at altitude. *On* the ground too, as illustrated by a pheasant and the right front wheel of my car on sunday.. -- Andy Breen ~ Interplanetary Scintillation Research Group http://users.aber.ac.uk/azb/ "Time has stopped, says the Black Lion clock and eternity has begun" (Dylan Thomas) |
#74
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"Kristan Roberge" wrote in message
... How often do you strike 4 pounds of bird? Other than ducks and geese, I can't think of many 4 pound birds you might run a plane into. Um, there's lots... I've dodged plenty of hawks and buzzards- big ones over 5 foot wingspan too. It depends what area you fly in I guess. Buzzards aren't God's smartest creatures either, they don't seem to yield to anything no matter how big it is. (Even seagulls will give you right of way if they see you in time.) |
#75
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In article , "Jim Carriere"
jcarriere(at)isp01.net wrote: "Kristan Roberge" wrote in message ... How often do you strike 4 pounds of bird? Other than ducks and geese, I can't think of many 4 pound birds you might run a plane into. Um, there's lots... I've dodged plenty of hawks and buzzards- big ones over 5 foot wingspan too. It depends what area you fly in I guess. Buzzards aren't God's smartest creatures either, they don't seem to yield to anything no matter how big it is. (Even seagulls will give you right of way if they see you in time.) They may have the same logic of superior deterrent that seems inherent to the limited brain of even a tame skunk. |
#76
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Birds and Lieutenants scare me more than anything in the air...
I second Jim's words -- seems the MOAs and Restricted Areas have an abundance of turkey buzzards and re-tailed hawks -- lethal-sized creatures when they get in your way at high Q. I've run into four birds in the course of my career, 3 daytime, 1 at night (at 1500'AGL). Fortunately, they were the smaller varieties -- 2 starlings, 2 undetermined. One of the starlings punched a neat hole the size of my fist in the leading edge of the intake, went through a couple vertical frame members and lodged next to a fuel cell. Never knew anything happened 'til a PC found it post flight in the fuel pits...Class C damage at the time. "Jim Carriere" wrote in message ... "Kristan Roberge" wrote in message ... How often do you strike 4 pounds of bird? Other than ducks and geese, I can't think of many 4 pound birds you might run a plane into. Um, there's lots... I've dodged plenty of hawks and buzzards- big ones over 5 foot wingspan too. It depends what area you fly in I guess. Buzzards aren't God's smartest creatures either, they don't seem to yield to anything no matter how big it is. (Even seagulls will give you right of way if they see you in time.) |
#77
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In ,
Glenfiddich spewed: On Thu, 22 Jan 2004 17:00:37 -0500, "Jim Carriere" wrote: "Kristan Roberge" wrote in message ... How often do you strike 4 pounds of bird? Other than ducks and geese, I can't think of many 4 pound birds you might run a plane into. Um, there's lots... I've dodged plenty of hawks and buzzards- big ones over 5 foot wingspan too. It depends what area you fly in I guess. Buzzards aren't God's smartest creatures either, they don't seem to yield to anything no matter how big it is. Even seag(ulls will give you right of wayif they see you in time.) AND if they are not so gorged on roadkill that they can take off. I lost a radiator grille and a headlamp to a severely overloaded seagull on the road near Lossie - its rate of climb was inches/hour. As to lack of smarts - it was eating another seagull that had been smooshed on the road earlier, it never entered its greedy little brain to wonder how that meal had gotten there. Seagulls and aircraft are an even worse mix. Given such gross stupidity, can anyone explain why all gulls are protected under current US law? |
#78
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Kristan Roberge wrote:
:Unless the goal is to design for :collisions with canada :geese (our secret weapons). Pretty much. In fact, the size bird for the F-16 canopy tests was upped from 'chicken' to 'turkey' after a collision with a California condor. -- "Rule Number One for Slayers - Don't die." -- Buffy, the Vampire Slayer |
#79
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#80
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"Jim Carriere" wrote:
:"Kristan Roberge" wrote in message ... : How often do you strike 4 pounds of bird? Other than ducks and geese, I can't : think of many 4 pound birds you might run a plane into. : :Um, there's lots... I've dodged plenty of hawks and buzzards- big ones over :5 foot wingspan too. It depends what area you fly in I guess. : :Buzzards aren't God's smartest creatures either, they don't seem to yield to :anything no matter how big it is. (Even seagulls will give you right of way :if they see you in time.) Yeah. I still recall the flight out of Dallas where we took a bird strike to one of the engines by a turkey buzzard. Big and not very smart. -- "Rule Number One for Slayers - Don't die." -- Buffy, the Vampire Slayer |
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