Author Topic: H3 development update thread  (Read 45731 times)

Offline TrevorMonty

Re: H3 development update thread
« Reply #60 on: 07/09/2015 09:18 PM »
Would they human rate the H3. I was thinking of SNC DC in regards to this.

Offline russianhalo117

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Re: H3 development update thread
« Reply #61 on: 07/10/2015 09:30 PM »
Would they human rate the H3. I was thinking of SNC DC in regards to this.
initally no. That would be mandatory to do so under separate joint MHI/JAXA project. Since there ia not a crew project it is yet to be planned in the development schedule

Offline Pipcard

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Re: H3 development update thread
« Reply #62 on: 07/10/2015 11:30 PM »
Whatever happened to the HTV-derived vehicle?
« Last Edit: 07/10/2015 11:33 PM by Pipcard »

Offline Kryten

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Re: H3 development update thread
« Reply #63 on: 07/10/2015 11:46 PM »
Whatever happened to the HTV-derived vehicle?
Never got past the concept phase.

Offline input~2

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Re: H3 development update thread
« Reply #64 on: 10/13/2015 06:14 AM »
Peter B. de Selding ‏@pbdes 6 minutes ago
Japan's Jaxa: H-3 rocket to launch from 2020, 6,500kg to GTO, being designed w/ MHI esp for commercial market.#IAC2015

Offline input~2

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Re: H3 development update thread
« Reply #65 on: 10/13/2015 06:35 AM »
Talking Space ‏@talkingspace 28 minutes ago
Tsutomu Fukatsu, @JAXA_en, is introducing a new launch vehicle, H3, in 2020 to compete for commercial $ #IAC2015

Offline yg1968

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Offline Fuji

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Re: H3 development update thread
« Reply #67 on: 02/19/2016 12:14 PM »
Official information: H3 version IDs are released  :)

H3-abc: a=Number of LE-7 (2 or 3), b=Number of  SRB-3 (0 or 2 or 4), c= Fairing size (S or L)
 
« Last Edit: 02/19/2016 12:17 PM by Fuji »

Offline edkyle99

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Re: H3 development update thread
« Reply #68 on: 02/19/2016 05:06 PM »
Here's a text file dump of a Google translation of the pdf file on the previous message.

 - Ed Kyle

Offline baldusi

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Re: H3 development update thread
« Reply #69 on: 02/19/2016 06:22 PM »
They want to have a common motor for SRB-3 and Epsilon first stage. Only difference would be the nosecap and the H3 solids would not use TVC (but will try to use as many common parts of the nozzle as possible).

PDR early 2016, CDR late 2017, first launch 2020. They should be starting to build the engine test stand about now.

Offline manboy

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Re: H3 development update thread
« Reply #70 on: 05/20/2016 12:29 AM »
6,500 kg or more to GTO. $45 million per launch for base version.

http://www.parabolicarc.com/2016/05/19/jaxa-outlines-plans-h3-launch-vehicle/#more-58435
« Last Edit: 05/20/2016 12:34 AM by manboy »
"Cheese has been sent into space before. But the same cheese has never been sent into space twice." - StephenB

Offline Pipcard

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Re: H-3 development update thread
« Reply #71 on: 06/10/2016 12:19 AM »
This article shows a CGI image by JAXA of the H-III being raised from a horizontal position on a strongback.



-Are the solid rocket boosters small and light enough for this to work, or does it have to be all-liquid?
-Will the VAB be dismantled and replaced with a horizontal integration facility, or will the rocket still be assembled vertically, then lowered to a horizontal position for transport to the launch pad?
I know this doesn't matter anymore in regards to the current plan, but it turns out that there would have been enough room for a horizontal vehicle assembly building between the current VAB and the block house (I came across the image here)
« Last Edit: 06/10/2016 01:24 AM by Pipcard »

Offline Fuji

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Re: H3 development update thread
« Reply #72 on: 06/16/2016 03:29 PM »
Current status of the H3 Preliminary Design. (Japanese document)
http://www.jaxa.jp/press/2016/06/files/20160614_h3_01_j.pdf

H3 PDR is finished.
 

Offline Fuji

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Re: H3 development update thread
« Reply #73 on: 06/21/2016 02:28 PM »

Offline Kosmos2001

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Re: H3 development update thread
« Reply #74 on: 06/29/2016 06:05 PM »
Jaxa Today No.10.

They talk about H3 development from page 6 to 9.

Offline russianhalo117

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Re: H3 development update thread
« Reply #75 on: 01/30/2017 05:29 PM »
Second Stage LE-5B LRE Upgrade now identified as LE-5B-3

Offline Stan Black

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Re: H3 development update thread
« Reply #76 on: 01/30/2017 06:32 PM »
Launch pad ML2 is upgraded for this rocket.

I learn something new, there were three ‘movable launchers’.
https://www.mhi-global.com/products/expand/rocket_launcher_supply_result_03.html
« Last Edit: 01/30/2017 06:36 PM by Stan Black »

Offline russianhalo117

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Re: H3 development update thread
« Reply #77 on: 01/30/2017 06:42 PM »
Launch pad ML2 is upgraded for this rocket.

I learn something new, there are three ‘movable launchers’.
https://www.mhi-global.com/products/expand/rocket_launcher_supply_result_03.html
yes and if launch rate ever becomes high enough all three can be upgraded to H-3 configuration
ML-2 is the only one still moved on rails and ML3 is the one that also hosts H-IIB (It basically lives in that configuration currently).

Offline Comet

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Re: H3 development update thread
« Reply #78 on: 02/02/2017 03:25 PM »
From the JAXA presentation on UNOOSA meeting in Vienna:

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