OT Found interesting link to spread

OK, so as my thoughts meandered about I wondered about how many empty
planes were flying. I thought... naaah. there are virtually none,
becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so closely with
the spread.

<https://flightaware.com/live/>

 

[mpm]

On Sunday, April 5, 2020 at 8:38:03 PM UTC-4, DecadentLinux...@decadence.org wrote:

OK, so as my thoughts meandered about I wondered about how many empty
planes were flying. I thought... naaah. there are virtually none,
becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so closely with
the spread.

https://flightaware.com/live/

The Mumbai to Atlanta Hartsfield flight has got to totally SUCK.
16h 41m total flight time. And they're only half-way through.

https://flightaware.com/live/flight/DAL8875

 

[Jeff Liebermann]

On Mon, 6 Apr 2020 00:37:56 +0000 (UTC),
DecadentLinuxUserNumeroUno@decadence.org wrote:

OK, so as my thoughts meandered about I wondered about how many empty
planes were flying. I thought... naaah. there are virtually none,
becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so closely with
the spread.

https://flightaware.com/live/

<https://flightaware.com/live/cancelled>
Total delays today: 118
Total delays within, into, or out
of the United States today: 57
Total cancellations today: 8,631
Total cancellations within, into, or out
of the United States today: 7,416

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

 

[Pimpom]

On 4/6/2020 6:07 AM, DecadentLinuxUserNumeroUno@decadence.org wrote:

OK, so as my thoughts meandered about I wondered about how many empty
planes were flying. I thought... naaah. there are virtually none,
becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so closely with
the spread.

https://flightaware.com/live/

I subscribe to flightradar24.com
The transatlantic route is almost empty. I used to enjoy trying
to pick out which eastbound flight was making the most of the
jetstream. It was entertaining to see some eastbounds zipping
along at >>600 knots - occasionally topping 700 kts - while
westbound aircraft were plodding at <<500 kts.

 

Pimpom <nobody@nowhere.com> wrote in
news:qFFiG.14089$fV2.3129@fx28.ams1:

On 4/6/2020 6:07 AM, DecadentLinuxUserNumeroUno@decadence.org
wrote:
OK, so as my thoughts meandered about I wondered about how
many empty
planes were flying. I thought... naaah. there are virtually
none, becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so
closely with
the spread.

https://flightaware.com/live/

I subscribe to flightradar24.com
The transatlantic route is almost empty. I used to enjoy trying
to pick out which eastbound flight was making the most of the
jetstream. It was entertaining to see some eastbounds zipping
along at >>600 knots - occasionally topping 700 kts - while
westbound aircraft were plodding at <<500 kts.

Now plot the ground speed.

 

[Pimpom]

On 4/6/2020 8:14 PM, DecadentLinuxUserNumeroUno@decadence.org wrote:

Pimpom <nobody@nowhere.com> wrote in
news:qFFiG.14089$fV2.3129@fx28.ams1:

On 4/6/2020 6:07 AM, DecadentLinuxUserNumeroUno@decadence.org
wrote:
OK, so as my thoughts meandered about I wondered about how
many empty
planes were flying. I thought... naaah. there are virtually
none, becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so
closely with
the spread.

https://flightaware.com/live/

I subscribe to flightradar24.com
The transatlantic route is almost empty. I used to enjoy trying
to pick out which eastbound flight was making the most of the
jetstream. It was entertaining to see some eastbounds zipping
along at >>600 knots - occasionally topping 700 kts - while
westbound aircraft were plodding at <<500 kts.


Now plot the ground speed.

Those are ground speeds, boosted or reduced by the jetstream. The
true air speed would be the normal cruising speed of the aircraft.

The same effect occurs to a somewhat less extent over my state at
the eastern edge of India. Right now, there's a Boeing 737 from
Kolkata headed for Hong Kong at 543 knots and a UPS 747 doing
580. Westbound flights usually go at ~450 kts but there's none now.

 

Pimpom <nobody@nowhere.com> wrote in news:u1IiG.134458$PZ5.18170
@fx21.ams1:

Those are ground speeds, boosted or reduced by the jetstream. The
true air speed would be the normal cruising speed of the aircraft.

Oh yeah... duh.

So, if one is in space, which direction is best for re-insertion?

 

[Pimpom]

On 4/6/2020 9:29 PM, DecadentLinuxUserNumeroUno@decadence.org wrote:

Pimpom <nobody@nowhere.com> wrote in news:u1IiG.134458$PZ5.18170
@fx21.ams1:

Those are ground speeds, boosted or reduced by the jetstream. The
true air speed would be the normal cruising speed of the aircraft.


Oh yeah... duh.

So, if one is in space, which direction is best for re-insertion?

Straight down will be most fuel efficient - if you survive it

 

Pimpom <nobody@nowhere.com> wrote in news:3PIiG.34793$pD1.28787
@fx19.ams1:

On 4/6/2020 9:29 PM, DecadentLinuxUserNumeroUno@decadence.org
wrote:
Pimpom <nobody@nowhere.com> wrote in news:u1IiG.134458$PZ5.18170
@fx21.ams1:

Those are ground speeds, boosted or reduced by the jetstream. The
true air speed would be the normal cruising speed of the
aircraft.


Oh yeah... duh.

So, if one is in space, which direction is best for re-
insertion?

Straight down will be most fuel efficient - if you survive it

(big spring noise...) BOING!!!

"Too sharp and burn up... too flat and bounce off..." Definietly
not straight down, though I am sure there is a slight pitch downward
right as it 'dives in'. Pretty sure there is a preferred 'lead up'
direction too. But up that high there is no atmosphereic 'breeze', a
bit below that though... woosh! "Where the hell is that
splashdown point and why were they so far off at Houston?" Naah...
nobody said that. Ship commanders know about wind.

It was a wind-fall for us all...

 

[Pimpom]

On 4/6/2020 9:07 PM, Pimpom wrote:

On 4/6/2020 8:14 PM, DecadentLinuxUserNumeroUno@decadence.org wrote:
Pimpom <nobody@nowhere.com> wrote in
news:qFFiG.14089$fV2.3129@fx28.ams1:

On 4/6/2020 6:07 AM, DecadentLinuxUserNumeroUno@decadence.org
wrote:
OK, so as my thoughts meandered about I wondered about how
many empty
planes were flying. I thought... naaah. there are virtually
none, becuase everything has shutdown, right?

No way! Except what strikes me is how it matches up so
closely with
the spread.

https://flightaware.com/live/

I subscribe to flightradar24.com
The transatlantic route is almost empty. I used to enjoy trying
to pick out which eastbound flight was making the most of the
jetstream. It was entertaining to see some eastbounds zipping
along at >>600 knots - occasionally topping 700 kts - while
westbound aircraft were plodding at <<500 kts.


Now plot the ground speed.

Those are ground speeds, boosted or reduced by the jetstream. The
true air speed would be the normal cruising speed of the aircraft.

The same effect occurs to a somewhat less extent over my state at
the eastern edge of India. Right now, there's a Boeing 737 from
Kolkata headed for Hong Kong at 543 knots and a UPS 747 doing
580. Westbound flights usually go at ~450 kts but there's none now.

Here's a very recent example: A moment ago, an eastbound aircraft
going at 588 knots at 37000 ft over Bangladesh flew directly
above a westbound flight doing 402 knots at 34000 ft. The
difference in ground speeds was nearly 350 km/h.

 

[Clifford Heath]

On 7/4/20 2:52 am, DecadentLinuxUserNumeroUno@decadence.org wrote:

"Too sharp and burn up... too flat and bounce off..." Definietly
not straight down, though I am sure there is a slight pitch downward
right as it 'dives in'. Pretty sure there is a preferred 'lead up'
direction too. But up that high there is no atmosphereic 'breeze',

No, but the density/height of the upper atmosphere is very uneven and
rather unpredictable. So the drag at a given altitude is hard to predict.

That's why they had the ARIA planes in the air, to get the earliest fix
on the actual descent trajectory.

a
bit below that though... woosh! "Where the hell is that
splashdown point and why were they so far off at Houston?" Naah...
nobody said that. Ship commanders know about wind.

It was a wind-fall for us all...