The Briefing Room

General Category => Science, Technology and Knowledge => Topic started by: thackney on April 12, 2021, 01:01:21 pm

Title: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take 7 M
Post by: thackney on April 12, 2021, 01:01:21 pm
Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take 7 Minutes
https://www.mediaite.com/news/biden-claims-commercial-planes-may-soon-go-21000-mph-meaning-a-new-york-to-la-trip-would-take-7-minutes/?utm_source=mostpopular
Apr 8th, 2021

“I tell the kids, the young people that work for me — I told my kids, when I go on college campuses, they’re going to see more change in the next 10 years than we’ve seen in the last 50 years,” Biden said during an address about his proposed infrastructure legislation. “We’re going to talk about commercial aircraft flying at subsonic speeds, supersonic speeds, be able to figuratively, if you may, if we decide to do it, be able to traverse the world in an hour, travel at 21,000 miles an hour.”

It was not clear what Biden meant by “figuratively.” The speed he suggested is roughly equivalent to Mach 28, which would make airlines capable of traversing the 2,400 miles between New York and Los Angeles in roughly seven minutes. The fastest commercial airliners presently travel at speeds of about 600 miles per hour, a little less than Mach 1....
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: Hoodat on April 12, 2021, 01:04:45 pm
Those planes will make quite the carbon footprint.  Has anybody conducted a wind tunnel test to determine the drag on a wing from 21,000 mph air flow?
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: dfwgator on April 12, 2021, 01:21:35 pm
On that train all graphite and glitter
Undersea by rail
Ninety minutes from New York to Paris
Well by seventy-six we'll be A.O.K.
What a beautiful world this will be
What a glorious time to be free
What a beautiful world this will be
What a glorious time to be free

http://www.youtube.com/watch?v=Ueivjr3f8xg
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: Hoodat on April 12, 2021, 01:33:01 pm
When Black Friday comes
I'm gonna dig myself a hole
Gonna lay down in it
'til I satisfy my soul
Gonna let the world pass by me
The Archbishop's gonna sanctify me
And if he don't come across
I'm gonna let it roll
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: catfish1957 on April 12, 2021, 01:43:30 pm
Commercial application before military?  Pedo Joe must have read a Buck Rogers comic book yesterday.
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: thackney on April 12, 2021, 02:07:25 pm
Those planes will make quite the carbon footprint.  Has anybody conducted a wind tunnel test to determine the drag on a wing from 21,000 mph air flow?

Not to mention heat developed and the fatigue strength at temp of whatever alloy could withstand it.

...Flying more than three times the speed of sound generates 316° C (600° F) temperatures on external aircraft surfaces, which are enough to melt conventional aluminum airframes. That's why the SR-71's external skin is made of titanium alloy...

https://airandspace.si.edu/stories/editorial/10-cool-things-you-may-not-know-about-museums-lockheed-sr-71-blackbird

(https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7435424/bin/materials-13-03441-g001.jpg)

Thermal Stability of Aluminum Alloys
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7435424/
Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: Wingnut on April 12, 2021, 02:26:05 pm
Ground Control To Dementia Joe.
Not responding.
"Hello Major Joe.
Are you receiving?"



Title: Re: Biden Claims Commercial Planes May Soon Go 21,000 MPH — Meaning a New York to LA Trip Would Take
Post by: GtHawk on April 12, 2021, 07:12:26 pm
Ground Control To Dementia Joe.
Not responding.
"Hello Major Joe.
Are you receiving?"
Maybe Kenneth can help him find the frequency. Can't wait for Psaki to say that Biden really doesn't believe it...........so why does he say it? (yes, yes we all know why) and the media will excuse is as just Joe being Joe and misspeaking.