Falcon 9: Bangabandhu 1 commsat (mission)


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DocM

Payload: Bangabandhu 1 commsat

Customer: BTRC (Bangladesh)

 

Launch date: April 24
Launch time: TBA
Core: B1046.1 BLOCK 5 #1
Pad: KSC LC-40
Stage landing: ASDS Of CourseI Still Love You

 

Satellite bus: Thales Spacebus-4000B2
Orbit: Geostationary transfer orbit
GEO position: 119.1° East
Transponders: 14 C-band, 26 Ku-band
Propulsion: chemical
Mass: ~3500 kg

 

Bangabandhu-1--692x360.jpg

 

 

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DocM

From Nice to Boston to KSC, via Antonov

 

 

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  • 2 weeks later...
DocM

Bangabandhu-1 rescheduled to May 4

Mass refined to 3.7 tonnes

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IsItPluggedIn

Any reason for the 10 day delay, or was it just too busy for them over this month?

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DocM

This launch has a lot riding on it because Block 5 is essentially a new vehicle with new turbopumps, higher thrust Merlin's (210,000 lbf), a new Octaweb (version 3.0), new heat shields, new state of the art helium COPV's (COPV 2.0 co-developed with NASA) W/matching plumbing and a dozen other things.

 

Besides SpaceX and the customer crawling all over it, NASA and the USAF are using this launch to validate the new core design for their launches - especially for Crew Dragon DM-1 (uncrewed, August), DM-2 (w/crew, Dec/Jan) and the USAF's STP-2 Falcon Heavy launch (NET June 13).

 

All that is a recipe for delays if ever there was one.

 

Edited by DocM
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Unobscured Vision

Yep. A minimum of 3 validation flights before they'll ease up on the inspections, then 3~5 more  before they'll settle into the "routine" of Block-5 stuff.

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DocM

IIRC: 3 for USAF, 7 for Commercial Crew before atronauts fly on it (counting DM-1), 14 for nuclear powered payloads (RTG, KiloPower etc.)

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  • 2 weeks later...
DocM

May 4th: 1600-1825 Eastern, 2000-2225 GMT

 

And B1047.1, aka Block 5 #2, is on the test stand at McGregor. 

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DocM

Likely slip to the 7th. Waiting for confirmation.

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DocM

 

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DocM

 

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DocM

Rolling out for the static fire test, now on LC-39A.

Behold F9 Block 5: human rated, more powerful Merlin 1D's, upgraded turbopumps, new upper stage, new helium subsystem, COPV 2.0,  black composite Interstage, titanium grid fins, bolted-together Octaweb, new layered heat shields, black Legs 2.0 (retractable), and more. 

 

 

Edited by DocM
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Unobscured Vision

Those Merlins are gonna sound downright angry at launch time. The whole rocket is going to perform like it's got something to prove.

 

It's like going from a Ferrari 430 to a Ferrari 458. The difference in attitude from the vehicle will be noticeable quite early, characteristics of the vehicle radically improved, etc.

 

Can't [snipping] wait. :D

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DocM

 

F9B5_B1046.1_staticfire-1280.thumb.jpg.b56f5d478ff8228d2f87872b37283e36.jpg

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DocM

 

 

 

 

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Jim K

 

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DocM

 

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anthdci

looks like its missing a nose cap?

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Beittil

Those were static fire images, they are by default without payload. Especially since Amos 6.

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anthdci
6 minutes ago, Beittil said:

Those were static fire images, they are by default without payload. Especially since Amos 6.

I thought the static fire was still done with payload attached due to having to bring the booster backwards and forwards too much.

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+rdlenk

Lovely morning.

IMG_20180510_075733_1.thumb.jpg.510d0247f6f7b09ea9163561ceadef4a.jpg

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DocM

 

 

 

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Jim K

 

Pushed back a little. Good though...gives me time to get home from work. :)

 

 

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Jim K

 

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