Rolling Science and Nature Thread

Re: Rolling Science and Nature Thread

Postby joboggi » Mon Dec 10, 2018 10:01 pm

Out with the carbon fiber, in with the metal, more than likely aluminum for the most part for the BFR.

NOT sure why they went with carbon fiber.

You may remember the DC X. It was supposed to be SSTO. They could not get the tanks to hold propellant. The Oxygen reacted with the carbon and then you developed a leak.

Oh.

Carbon fiber is also too brittle.

So I did tweet Elon. About that some time ago.
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Re: Rolling Science and Nature Thread

Postby joboggi » Mon Dec 24, 2018 2:17 pm

Elon Musk (@elonmusk) Tweeted:
Stainless Steel Starship https://t.co/rRoiEKKrYc https://twitter.com/elonmusk/status/107 ... 93376?s=17

And the metal is stainless steel.
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Re: Rolling Science and Nature Thread

Postby Bucky » Mon Dec 24, 2018 2:25 pm

ah, i should've know by the caption! :q
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Re: Rolling Science and Nature Thread

Postby joboggi » Mon Dec 24, 2018 2:30 pm

joboggi wrote:Elon Musk (@elonmusk) Tweeted:
Stainless Steel Starship https://t.co/rRoiEKKrYc https://twitter.com/elonmusk/status/107 ... 93376?s=17

And the metal is stainless steel.


They are concerned about the strength of the rocket over time and not the weight.

Otherwise they would use aluminum.

Steel is inexpensive.

An inexpensive rocket build.

No one uses steel for rocket bodies.
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Re: Rolling Science and Nature Thread

Postby joboggi » Sat Dec 29, 2018 8:38 am

If a tree falls in the woods...

If 2/3rds of a volcano (prob more under water ) collapses, and no one hears it or sees it and the usgs is on furlough, what happens?

More people die.

No warning went out

Very sad

Tsunamis due to landslides are related ONLY to the size of the landslides.

One for one cubic meter of dirt displaces the same amount of water and so off goes the large tsunami.

It would not take a large earthquake or eruption. ( Which is exactly what happened)
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Re: Rolling Science and Nature Thread

Postby joboggi » Sun Dec 30, 2018 9:20 pm

Polished stainless steel space ship

It's a delorean!!!
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Re: Rolling Science and Nature Thread

Postby joboggi » Sun Dec 30, 2018 9:42 pm

20,000 v 20 frames per second.

New chip v old chip processing power.

The new AI chip in Tesla Auto Pilot is fairly powerful. It just may work.

You never know.
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Re: Rolling Science and Nature Thread

Postby phatj » Sun Dec 30, 2018 9:59 pm

joboggi wrote:
joboggi wrote:Elon Musk (@elonmusk) Tweeted:
Stainless Steel Starship https://t.co/rRoiEKKrYc https://twitter.com/elonmusk/status/107 ... 93376?s=17

And the metal is stainless steel.


They are concerned about the strength of the rocket over time and not the weight.

Otherwise they would use aluminum.

Steel is inexpensive.

An inexpensive rocket build.

No one uses steel for rocket bodies.

They are most certainly concerned about the weight.
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Re: Rolling Science and Nature Thread

Postby joboggi » Sun Dec 30, 2018 10:11 pm

[quote="phatj"][quote="joboggi"][quote="joboggi"]Elon Musk (@elonmusk) Tweeted:
Stainless Steel Starship https://t.co/rRoiEKKrYc https://twitter.com/elonmusk/status/107 ... 93376?s=17

And the metal is stainless steel.[/quote]

They are concerned about the strength of the rocket over time and not the weight.

Otherwise they would use aluminum.

Steel is inexpensive.

An inexpensive rocket build.

No one uses steel for rocket bodies.[/quote]
They are most certainly concerned about the weight.[/quote]

In a relative way yes, however when you are using the heaviest reasonable material for the fuselage, you are not.

Stainless steel cooled with liquid methane.

Interesting.
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It's been a shocking year

Postby joboggi » Mon Dec 31, 2018 1:01 pm

1. In June we learned of an immense volcanic field benesth the West Antarctic Ice shelf.

Warmth melts ice, hence the increased movement in the Pine Island area of Antarctica.

2. In Greenland they just found 140 meter waves. These waves are formed in subterranean lakes at the base of the Greenland ice shelf.

Sea level is being assaulted by these two direct processes.

I would rent and not buy ocean front property. Elevation 30 feet or more sounds about right for a purchase.
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Re: Rolling Science and Nature Thread

Postby joboggi » Fri Jan 04, 2019 7:52 am

Geosynchronous orbit by direct insertion.

Gto was the best you could get.

With FALCON HEAVY, they are selling. Direct flight to the final destination.

This saves precious satellite propellant and prolongs the very expensive satellite lifespan.
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Re: Rolling Science and Nature Thread

Postby joboggi » Thu Jan 10, 2019 11:56 pm

First of about 22 Space launches this year is NET FRI JAN 11 2019 1030

Planning on catching a falcon heavy at some point.

Saw first launch live a few weeks ago.

You can see wallops island launches from Silver Spring main parking garage roof.

Really
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Re: Rolling Science and Nature Thread

Postby joboggi » Fri Jan 11, 2019 5:52 am

The SpaceX version of the new Tesla roadster will hover. Rocket engines are fitted on this version of the roadster.

MarketWatch: Elon Musk: New Tesla Roadster will use thrusters to float above the ground.
https://www.marketwatch.com/story/elon- ... 2019-01-10

Add some wings and a jet engine and you get the idea.
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Re: Rolling Science and Nature Thread

Postby Slowhand » Fri Jan 11, 2019 5:41 pm

Earth's Magnetic Field Is Up To Some Seriously Weird Stuff And No One Knows Why

Earth’s magnetic poles can wander several kilometers every year, however, the north pole's movement has become increasingly stranger in recent years. For reasons that are currently unclear, the magnetic north pole seems to be increasingly slipping away from Canada and towards Siberia at an erratic rate, according to a news report in Nature.
How dare you interrupt my Lime Rickey!
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Re: Rolling Science and Nature Thread

Postby Bucky » Fri Jan 11, 2019 5:46 pm

away from the U.S. as quickly as possible

duh
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Re: Rolling Science and Nature Thread

Postby Monkeyboy » Fri Jan 11, 2019 7:10 pm

It's overdue for a flip. It would be cool/crazy to see that in our lifetime. I mean, except for the possible increase in cancer rates and the messed up animal migrations.

Could also be climate change and agriculture shifting the mass of the Earth by draining aquifers and melting glaciers.
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Re: Rolling Science and Nature Thread

Postby joboggi » Mon Jan 14, 2019 4:33 pm

Daimler attacks Tesla trucks, noting they need scale just to consider building a truck.

1. The scale is already there. Take your basic power train times four. Then the battery times four to eight.

2. Throw a bunch of sheet metal and wheels around it.

3. Done One state of the art truck

4. Add dedicated truck chargers

Model 3 drive units power the roadster, the Y, the Semi, the pickup, and more than likely the next vehicle. I would not be surprised to see them in the S and X, or more likely the next gen 3 drive unit.

I would like TSLA to roll out more than one vehicle at a time, like a real car company. That is the only criticism. That said, they are doing something not done in 100 years. Start a new car company.

Here is how this works.

Go to first principles on a clean sheet.

Work refining your drive units for 12 years, constantly improving the product.

Apply what you learned to the motor vehicle industry.

Daimler is scared, they cannot meet let alone exceed Tesla specs. Famously at Daimler, they think TSLA defies the laws of physics.
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Re: Rolling Science and Nature Thread

Postby thephan » Sun Jan 20, 2019 11:55 pm

Super blood wolf moon eclipse ongoing. Great sky because it’s cold as #$!&@.
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Re: Rolling Science and Nature Thread

Postby swishnicholson » Sun Jan 20, 2019 11:58 pm

thephan wrote:Super blood wolf moon eclipse ongoing. Great sky because it’s cold as #$!&@.
Which part? And who are you?
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Re: Rolling Science and Nature Thread

Postby Napalm » Mon Jan 21, 2019 6:57 am

swishnicholson wrote:
thephan wrote:Super blood wolf moon eclipse ongoing. Great sky because it’s cold as #$!&@.

Super Huge even as the dawn rises. Star crossed rays emanating in the 4 directions
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