Author Topic: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES  (Read 148211 times)

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #80 on: 12/11/2017 03:24 pm »
Ken: Dragon refurb process.  Wind constraints.

Jessica: Reflight similar. Qualify.  Thorough inspection -- especially TPS.  TPS has to be replaced each mission,  Hardware is usually good for reflight.

Plan is to only use refurbished Dragons for rest of CRS contract.

Upper levels winds are constraint base.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #81 on: 12/11/2017 03:25 pm »
James: How many launch attempts with cutout and Soyuz activity?  Do you also see reuse for future of spaceflight?

Kirk: Expect to launch tomorrow, but things can happen.  Launch attempts on 12 on 13.  Final one before beta is the 15th. Three launch attempts before Beta cutout.  Then it's 25th of December. 

For reuse: Business of space is dominated by launch coast.  Getting coast down is important for everyone.
« Last Edit: 12/11/2017 03:26 pm by ChrisGebhardt »

Offline FutureSpaceTourist

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #82 on: 12/11/2017 03:27 pm »
More specific block 5 'quote':

Quote
Jensen: First Block 5 Flight still targeting early next year.

https://twitter.com/SpaceXUpdates/status/940255803130499072

Online Chris Bergin

Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #83 on: 12/11/2017 03:28 pm »
Chris, asking questions. :)

(Doing updates, which is why I'm posting it here).

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #84 on: 12/11/2017 03:31 pm »
Working with NASA since Jan.  Equivalent risk established.  All groups meeting for several months.

2 weeks before launch was when the decision had to be made.

NASA went off on their own to come up with what they wanted to see for Falcon 9 reuse.  NASA put on constraints.  Only single reflight agreed to. Only a CRS-like mission is where that booster could come from.  Decision was made so finely.   Re-flgiht Readiness Review (RFRR).

NASA was so late making decision because RFRR came in so only allow official decision.

New booster could have effected the launch date.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #85 on: 12/11/2017 03:34 pm »
Stephen: Commercial Crew and engines.

All 9 engines are from the CRS-11 mission.

Kirk: Flying to space is difficult.  Flying humans is even more difficult.  Dates have slipped as expected.  We have dates and are prepared for those dates to slip.  While we want them to fly as soon as possible, we don't want them to fly before they're ready.

We are not in discussion with Russia in regard to additional flights.

Deal in January and exercised in Oct. to allow NASA astros in first half of 2019.  Various options if needed.   But confidence in launch dates for Dragon and Starliner are increasing. 
« Last Edit: 12/11/2017 03:37 pm by Chris Bergin »

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #86 on: 12/11/2017 03:37 pm »
Strongback throwback is confirmed.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #87 on: 12/11/2017 03:44 pm »
Good discussion of debris.  in 19 years, only 23 COLAs have been needed.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #88 on: 12/11/2017 03:45 pm »
Question on payload fairing.  Resolved?

Iridium is NED 22 Dec.
Zuma on early Jan.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #89 on: 12/11/2017 03:46 pm »
39A and FH?

Progress is moving.

Static Fire later this year.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #90 on: 12/11/2017 03:49 pm »
Reflown boosters are not sent back to Texas for test firing.

Three day phasing to Station is orbital mechanics, not Soyuz undocking.

Berthing dates are tracked because of bio-samples on board that need to be maintained.

Both 12th and 13th launch dates are 3-day phasing runs to berthing.

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #91 on: 12/11/2017 03:51 pm »
How many Dragons are there?

Jessica thinks they have 7-ish.  Some original ones were only going to fly once.  Starting on CRS-8, significantly ramped up the salt water resistant nature of Dragon to aid with reflight.

After flights, each Dragon goes to Texas for refurb testing.
« Last Edit: 12/11/2017 03:51 pm by ChrisGebhardt »

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #92 on: 12/11/2017 03:53 pm »
Precise launch time is 11:46:57 EST (as of launch profile update two days ago).
« Last Edit: 12/11/2017 04:08 pm by ChrisGebhardt »

Offline John44

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #93 on: 12/11/2017 05:04 pm »
SpaceX/Dragon CRS-13 Cargo Resupply Mission Prelaunch News Conference
http://www.space-multimedia.nl.eu.org/index.php?option=com_content&view=article&id=10080

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #94 on: 12/11/2017 05:43 pm »
For those wondering, as I was, here's the payload weight breakdown for CRS-13:

1,080.3 lbs (490 kg) - Crew Supplies
1,567.5 lbs (711 kg) - Science Investigations
363.8 lbs (165 kg)    - EVA Equipment
416.7 lbs (189 kg)    - Vehicle Hardware
11 lbs (5 kg)            - Computer Resources

Total Pressurized Payload (w/ packing): 3,439.2 lbs (1,560 kg)
Total Unpressurized Payload (Trunk): 1,422 lbs (645 kg)
Total payload weight: 4,861.2 lbs (2,205 kg)

Offline FutureSpaceTourist

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #95 on: 12/11/2017 06:08 pm »
Quote
We're back at #SpaceX SLC 40 at Cape Canaveral with the gently-used CRS13 Falcon 9! Aka Sooty McSooterson. Liftoff of the Dragon loaded with 4,800 pounds of hardware, research, and crew supplies is at 11:46 AM Eastern tomorrow!

https://twitter.com/nova_road/status/940296355653746688

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #96 on: 12/11/2017 06:12 pm »
Photo of sooty from SpaceX website

Offline Ilikeboosterrockets

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #97 on: 12/11/2017 06:16 pm »
Livestream link is up:


Offline Craig_VG

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #98 on: 12/11/2017 07:11 pm »
Here's a bit clearer view of the first stage on the pad!

Offline ChrisGebhardt

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Re: SpaceX Falcon 9 : CRS-13 : Dec 15, 2017 : UPDATES
« Reply #99 on: 12/11/2017 07:31 pm »
Science overview briefing has started.

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