Author Topic: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)  (Read 83743 times)

Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #60 on: 09/29/2017 05:03 am »
transfer
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Online Chris Bergin

Performance vs costs. Heavily selected chart, however.
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Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #63 on: 09/29/2017 05:06 am »
refillls
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Offline ChrisGebhardt

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #64 on: 09/29/2017 05:06 am »
Value of orbital refueling:

If you just fly BFR to orbit, you'll get 150t to LEO and have no fuel to go anywhere else.

But if you refuel tanks all the way to the top, you can get 150t all the way to Mars.

If tanker has high reuse factor, than the price drops.  LOX and Liquid Methane are very inexpensive.

Online Chris Bergin

150 mt to LEO. Then refil to get 150 mt to Mars.
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Offline ChrisGebhardt

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #66 on: 09/29/2017 05:07 am »
So... how do we pay for this system....

This was a profound breakthrough.  If we can build a system the makes our own products redundant, than all the resources for F9 and FH can be applied to one system.

Some of our customers are conservative, want to see BFR fly several times first.

Will have a stock of F9s and FHs so customers can keep using those if they desire.

We will then move on to BFR and pay for it by contracts for sat launches and servicing the ISS.

Online Chris Bergin

The key to paying for all of this is to kill Falcon 9 and Falcon Heavy. Go to one system for everything. Will build a large stock room of "old" rockets and then only build BFR from then onwards.
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Offline Norm38

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #68 on: 09/29/2017 05:09 am »
Cargo version with cargo bay confirmed.  Looks to be unmanned.

Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #69 on: 09/29/2017 05:09 am »
have a stock of F9 and dragons, turn resources to building BFR, can do it with sat rev and ISS
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Offline ChrisGebhardt

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #70 on: 09/29/2017 05:09 am »
For BFR launching sats, we can send 9m diameter objects into orbit.   We could launch a Hubble with a mirror three times larger than Hubble's current mirror.

We can launch multiple sats in one launch.

We can use it to retrieve sats and bring them back -- clean up LEO.

Can also service the Space Station.

"I know it looks a little big compared to the Station.  But Shuttle was big.  It'll work."

Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #71 on: 09/29/2017 05:09 am »
a little big
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Online Chris Bergin

Oh wow..
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Online Chris Bergin

Moon. No need for ISRU prop.
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Offline ChrisGebhardt

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #74 on: 09/29/2017 05:10 am »
MOON:

Lunar surface mission w/ no prop production on the moon.

High elliptic-orbit re-filling.  Than go all the way to the moon and back without refueling on the moon.

That will allow for the creation of Moon Base Alpha.

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #75 on: 09/29/2017 05:11 am »
Crane to lower cargo.  "It's not very complicated."

Offline ChrisGebhardt

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #76 on: 09/29/2017 05:11 am »
"It's 2017.  We should have a lunar base by now.  What's going on."

Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #77 on: 09/29/2017 05:11 am »
moonbase alpha

2017, where's my moonbase?
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

Online Chris Bergin

Needs prop ISRU on Mars.
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Offline Lar

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Re: Elon Musk Presentation, IAC 2017 - Sep. 29, 2017 (0430 UTC)
« Reply #79 on: 09/29/2017 05:13 am »
mars
"I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact." -Elon Musk
"We're a little bit like the dog who caught the bus" - Musk after CRS-8 S1 successfully landed on ASDS OCISLY

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