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Topic: OT - Weird History

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medinabuckeye1

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Re: OT - Weird History
« Reply #2226 on: July 28, 2023, 08:33:21 AM »
THIS DAY IN HISTORY:

US Bomber Crashes into New York's Empire State Building (1945)
On a foggy Saturday morning in July 1945, a B-25 Mitchell bomber accidentally crashed into the north side of the Empire State Building between the 79th and 80th floors. One of the plane's engines shot through the building and out the other side, and the other plummeted down an elevator shaft. Though 14 people died in the incident, the building was largely open for business on the following Monday. What Guinness World Record was set by elevator operator Betty Lou Oliver during the accident?
I had read about this before 9/11 so on 9/11 when I first heard that a plane had hit the WTC, this is what I immediately thought of and I initially assumed that the incident was similar to this.

medinabuckeye1

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Re: OT - Weird History
« Reply #2227 on: July 28, 2023, 12:18:41 PM »
I have a piece of trinitite from my visit many years ago,
I can't recall ever encountering anyone else who has visited. What did you think of it?

I thought of this comment today because I saw an article about visitation and that they are expecting a massive increase in numbers this year due to the release of Oppenheimer. 

Cincydawg

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Re: OT - Weird History
« Reply #2228 on: July 29, 2023, 07:44:40 AM »


I'm a big fan of Bernard Cornwell and "The Last Kingdom" etc.  This is one reason our language is so weird.  Then the "French" invaded, except they weren't exactly "French".  Then some of the folks in the green area migrated to "France" to a part called "Brittany" because Britons lived there and spoke Breton, some still do.  


Cincydawg

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Re: OT - Weird History
« Reply #2229 on: July 29, 2023, 12:22:03 PM »


The first rocket launch at Cape Canaveral, Florida, took place on this day in 1950 with the launch of "Bumper 8." According to thisdayinaviation-dot-com the vehicle was ".....a two-stage rocket consisting of a captured German V-2 ballistic missile as the first stage and a WAC Corporal sounding rocket as the upper, second, stage. When launched, the rocket engine burned for 65 seconds, accelerating the rocket to 3,580 miles per hour with a peak altitude between 88 and 128 miles, depending on the desired range." (NASA image) 


FearlessF

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Re: OT - Weird History
« Reply #2230 on: July 29, 2023, 01:02:38 PM »
zero to 3,580 miles per hour in 60 seconds

impressive
"Courage; Generosity; Fairness; Honor; In these are the true awards of manly sport."

MrNubbz

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Re: OT - Weird History
« Reply #2231 on: July 29, 2023, 01:20:32 PM »
My '71 Dart did that.....down hill w/o brakes and a Keg in the trunk
Suburbia:Where they tear out the trees & then name streets after them.

FearlessF

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Re: OT - Weird History
« Reply #2232 on: July 29, 2023, 01:29:14 PM »
did ya push it off a cliff?
"Courage; Generosity; Fairness; Honor; In these are the true awards of manly sport."

betarhoalphadelta

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Re: OT - Weird History
« Reply #2233 on: July 29, 2023, 02:50:29 PM »
did ya push it off a cliff?
You joke, but I doubt a '71 Dart even has terminal velocity anywhere near 3850 mph... 

(I'm fun at parties.)

medinabuckeye1

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Re: OT - Weird History
« Reply #2234 on: July 29, 2023, 04:21:41 PM »
You joke, but I doubt a '71 Dart even has terminal velocity anywhere near 3850 mph...

(I'm fun at parties.)
Dropped from a REALLY high height, would it even be supersonic? I doubt it but I really have no idea. I'd guess terminal velocity wouldn't be much more than a couple hundred MPH.

Cincydawg

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Re: OT - Weird History
« Reply #2235 on: July 29, 2023, 04:37:05 PM »
Terminal velocity is 25,000 mph ... in a vacuum, in air of course, it depends on aerodynamics.  The below is slower than I would have guessed for such an aero object.

 A bullet fired straight up, with no wind, might reach a height of 10,000 feet (about three kilometers), but will come back down at only around 150 miles per hour: just 10% of the speed and with only 1% of the energy as the originally fired bullet.

medinabuckeye1

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Re: OT - Weird History
« Reply #2236 on: July 29, 2023, 04:44:57 PM »
Terminal velocity is 25,000 mph ... in a vacuum, in air of course, it depends on aerodynamics.  The below is slower than I would have guessed for such an aero object.

A bullet fired straight up, with no wind, might reach a height of 10,000 feet (about three kilometers), but will come back down at only around 150 miles per hour: just 10% of the speed and with only 1% of the energy as the originally fired bullet.
I can't imagine that a 71 Dart is much more aerodynamic than a bullet so it sounds even slower than my original guess.

Cincydawg

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Re: OT - Weird History
« Reply #2237 on: July 29, 2023, 04:53:36 PM »
"We" tend to think the weight would be a factor, but it's a very slight one.  I'd guess a car would be around 120 mph, same as a human.  I think a human can hit 180+ head down, so maybe the bullet thing is wrong.

In October, at the United States Parachute Association Nationals in Arizona, Lobpries became the fastest athlete in the sport when he reached a speed of 318.74 m.p.h. That exceeded his previous world record of 316.23 m.p.h. Maxine Tate, a fellow American competitor, also broke her own women’s world record, increasing her speed from 275.8 to 285.27 m.p.h. Those records blow by the top speeds of NASCAR, IndyCar and Formula 1 drivers, who have never surpassed 260 miles per hour in official competitions.

It’s a sport for people who have flung themselves out of planes with such frequency that the simple act of strapping on a parachute and staring at a 13,000-foot drop no longer offers an adequate adrenaline rush.

« Last Edit: July 30, 2023, 09:10:19 AM by Cincydawg »

FearlessF

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Re: OT - Weird History
« Reply #2238 on: July 30, 2023, 08:53:30 AM »
I think the bullet thing is wrong 
"Courage; Generosity; Fairness; Honor; In these are the true awards of manly sport."

Cincydawg

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Re: OT - Weird History
« Reply #2239 on: July 30, 2023, 09:10:44 AM »
I think the bullet thing is wrong
Yeah, I agree, a bullet should drop faster than a human.  

 

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