Author Topic: Interstellar Technologies  (Read 16990 times)

Offline savuporo

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Interstellar Technologies
« on: 03/14/2017 04:17 AM »
I think this team deserves it's own thread.

http://www.istellartech.com/

Youtube playlist of their recent tests

12 Kn engine fire, slightly on the melty side. Stated to be an upcoming sounding rocket engine



Vertical fire of the same, testing TVC systems



Older flight of a VTVL testbed



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Online Prettz

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Re: Interstellar Technologies
« Reply #1 on: 04/08/2017 03:31 AM »
I'm glad someone made a thread about these guys, I was wondering about that rocket nozzle. I've never heard of a nozzle where the entire thing glows white-hot, top to bottom -- what's the deal with it, like what kind of engine bell is that? Is it ablative?

Anyway I love what these guys are doing on a shoestring budget. I'd love to see them get to the level where Masten is.

Offline baldusi

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Re: Interstellar Technologies
« Reply #2 on: 04/08/2017 04:38 PM »
It's called radiatively cooled nozzle. merlin 1 Vacuum has it. And I think the RD-58MF is supposed to have a composite one. You basically use a material that can tolerate the heat and put some serious thermal barrier upstream.

Online hop

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Re: Interstellar Technologies
« Reply #3 on: 04/08/2017 08:09 PM »
I'm glad someone made a thread about these guys, I was wondering about that rocket nozzle. I've never heard of a nozzle where the entire thing glows white-hot, top to bottom -- what's the deal with it, like what kind of engine bell is that? Is it ablative?
Per their site, most of their engines are ablative, but it's quite common for these things to look a lot whiter in photos and video than they would in person.
« Last Edit: 04/08/2017 08:09 PM by hop »

Offline savuporo

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Re: Interstellar Technologies
« Reply #4 on: 04/08/2017 09:45 PM »
Seems as per latest tests, they are experimenting with liquid cooling jackets just now.
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Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #5 on: 04/09/2017 06:10 AM »
Teddy gets to enjoy the ride.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline savuporo

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Re: Interstellar Technologies
« Reply #6 on: 05/06/2017 09:09 PM »
They seem to have a page now talking about goals for the Momo sounding rocket. Also a users guide

http://www.istellartech.com/technology/momo

All 100% in japanese though and google translate fails, as well. Apart from 100km flight goal, i'm unable to parse.


Also there's a fairly google translateable history page now. Starts at 2005
http://www.istellartech.com/history

EDIT: Nah, there's a full english version of everything right here

http://www.istellartech.com/english
« Last Edit: 05/06/2017 09:13 PM by savuporo »
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Offline mechrk

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Re: Interstellar Technologies
« Reply #7 on: 05/10/2017 07:34 AM »
I'm engineer of this company.

We're sorry but a link of user's guide is wrong in English page.
#I told manager of the page  8)

A link below is English version user's guide.
http://www.istellartech.com/7hbym/wp-content/uploads/2016/07/Momo_UsersGuide_en_ver.0.11Beta.pdf

enjoy! ;)

Offline savuporo

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Re: Interstellar Technologies
« Reply #8 on: 05/10/2017 03:01 PM »
I'm engineer of this company.

Welcome to the forum, and thanks for dropping by !

Are you able to share some updates with us here, as well ? For example, what major upcoming milestones is the company looking forward to ?

Also, i've tried to become a member of your fanclub on Campfire, but unfortunately Japanese translation didnt get me far enough. Any chance you guys could start a Patreon account in parallel ?
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Offline Arthur777

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Re: Interstellar Technologies
« Reply #9 on: 05/11/2017 09:12 AM »
Hi

I'm from this company too ;)

Our next mile stone is to launch sounding rocket MOMO.

Currently we are working on manufacturing the very first MOMO.
Next experiment will be our final full duration static fire test for MOMO which will be held soon.

On top of that, we are working on orbital rocket.
We are doing lots of calculations so that our orbital rocket will properly deliver satellites.
Our programs are uploaded here https://github.com/istellartech.
Its constantly been updated.

Experimental wise, we started to work on critical technology for orbital rocket, turbo pumps.
We have already done few experimental static fire test of gas generator to get a better understanding.


We thought about starting a cloud funding in kickstarter but unfortunately, we don't have a US bank account.
« Last Edit: 05/11/2017 03:08 PM by Arthur777 »

Offline savuporo

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Re: Interstellar Technologies
« Reply #10 on: 05/15/2017 08:10 PM »
..
We thought about starting a cloud funding in kickstarter but unfortunately, we don't have a US bank account.

Excellent information above ! Thank you.

For setting up crowd-funding, try Patreon.com, and Paypal, it should not require US account.

Our next mile stone is to launch sounding rocket MOMO.

Currently we are working on manufacturing the very first MOMO.
Next experiment will be our final full duration static fire test for MOMO which will be held soon.
Looking forward to it !
« Last Edit: 05/15/2017 08:11 PM by savuporo »
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Offline savuporo

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Re: Interstellar Technologies
« Reply #11 on: 05/20/2017 01:43 AM »
Currently we are working on manufacturing the very first MOMO.
Next experiment will be our final full duration static fire test for MOMO which will be held soon.

Is this what we are looking at here ?


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Offline Asteroza

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Re: Interstellar Technologies
« Reply #12 on: 05/22/2017 04:18 AM »
We thought about starting a cloud funding in kickstarter but unfortunately, we don't have a US bank account.

Kickstarter has preannounced they are entering the japanese market (estimated fall 2017), which I assume means they will accept japanese companies with japanese bank accounts.

http://www.kickstarter.com/japan

Would be interesting as a "launch" campaign partner to be one of the first all japanese kickstarter campaigns.

Offline savuporo

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Re: Interstellar Technologies
« Reply #13 on: 07/07/2017 05:12 AM »
http://asia.nikkei.com/Business/Companies/Countdown-begins-for-Japan-s-first-private-rocket

Quote
TOKYO -- Interstellar Technologies will attempt to launch a privately developed rocket into space on July 29, aiming to become the first Japanese company to do so successfully.

The venture announced plans Thursday to launch its first rocket, the Momo, from the northern island of Hokkaido in a window that starts at 10:20 a.m. JST.
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Offline FutureSpaceTourist

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Re: Interstellar Technologies
« Reply #14 on: 07/22/2017 07:25 PM »

Offline savuporo

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Re: Interstellar Technologies
« Reply #15 on: 07/24/2017 07:59 AM »
Two more here.

Looks like the launch, coming up next Saturday, will have a webcast at https://www.showroom-live.com/rocket
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Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #16 on: 07/24/2017 08:14 AM »
If the launch is at 11:30 local, that would make it 2:30 am UTC.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline john smith 19

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Re: Interstellar Technologies
« Reply #17 on: 07/24/2017 10:28 AM »
Hi

I'm from this company too ;)

Our next mile stone is to launch sounding rocket MOMO.

Currently we are working on manufacturing the very first MOMO.
Next experiment will be our final full duration static fire test for MOMO which will be held soon.
Interesting.  Historically companies that have stayed in the business of making sounding rockets have converged on the solid fuel design, but your pressure fed LOX/Ethanol seems only a little more complex, but is safer and should have higher performance. It also seems to have a lower g rating, needing less ruggedly built hardware.

I look forward to seeing many projects starting their lives with a first flight on this rocket. 
« Last Edit: 07/24/2017 10:28 AM by john smith 19 »
"Solids are a branch of fireworks, not rocketry. :-) :-) ", Henry Spencer 1/28/11  Averse to bold? You must be in marketing."It's all in the sequencing" K. Mattingly.  STS-Keeping most of the stakeholders happy most of the time.

Offline yoichi

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Re: Interstellar Technologies
« Reply #18 on: 07/25/2017 04:45 AM »

Offline blister

Re: Interstellar Technologies
« Reply #19 on: 07/25/2017 11:03 PM »
If the launch is at 11:30 local, that would make it 2:30 am UTC.

from https://mastodon.cosmicanimal.jp/
When 3days before for launch

Launch windowl ike(JST)
7/29 1020-1230
7/29 1545-1700
7/30 0500-0800
7/30 1020-1230
7/30 1545-1700

Offline blister

Re: Interstellar Technologies
« Reply #20 on: 07/25/2017 11:13 PM »
MOMO rocket launch test feed by NVS
2017/07/29/09:30(JST)start
https://twitter.com/nvslive/status/889746505426272256
※niconicowebcast only?

Offline savuporo

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Online catdlr

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Re: Interstellar Technologies
« Reply #22 on: 07/28/2017 06:30 AM »
IST SoundingRocket MOMO Launch

NVS
Scheduled for Jul 29, 2017

Sounding rocket "MOMO"  is developed by Interstellar Technologies.

https://www.youtube.com/watch?v=NTVw8ijASQc?t=001

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Offline yoichi

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Re: Interstellar Technologies
« Reply #23 on: 07/28/2017 07:21 AM »
https://twitter.com/nvslive/status/890822025815642112
ネコビデオ ビジュアル ソリューションズ‏ @nvslive ∑ 48分48分前 
IST Sounding Rocket MOMO Launch time is change to 2017/7/29 15:45~17:00 +0900(JST)
because technical problem discovered during the rehearsal

Offline savuporo

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Re: Interstellar Technologies
« Reply #24 on: 07/29/2017 01:11 AM »
Couple hours left if i'm not mistaken. Looks like this window was selected : 7/29 1545-1700
about 4 hours left before live feed. Do we get a live thread on this ?
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Offline savuporo

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Re: Interstellar Technologies
« Reply #25 on: 07/29/2017 02:16 AM »
Crowds are apparently gathering and getting ready for this very Japanese event

https://twitter.com/ots_min/status/891116596307017729
https://twitter.com/ots_min/status/891105859102687232


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Offline savuporo

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Re: Interstellar Technologies
« Reply #26 on: 07/29/2017 02:36 AM »
Weather scrub
https://twitter.com/natsuroke/status/891121449292791808
Quote
For this reason cannot be ensured visibility and bad weather at the moment, book, 7/29 15:45-launch had been scheduled for 17:00 in the next window, 7/30 5:00-8:00 to defer.
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Offline yoichi

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Re: Interstellar Technologies
« Reply #27 on: 07/29/2017 05:59 AM »
press conference will start 15:00 JST


Offline yoichi

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Re: Interstellar Technologies
« Reply #28 on: 07/29/2017 06:17 AM »
Launch window(JST)
7/29 1020-1230
7/29 1545-1700
7/30 0500-0800
7/30 1020-1230

7/30 1545-1700

Offline savuporo

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Re: Interstellar Technologies
« Reply #29 on: 07/29/2017 07:27 PM »
Stream is live now

https://twitter.com/natsuroke/status/891349627462537216
Quote
We are GO at T-3.5 hours. Fueling is started. MOMO first launch is scheduled for 0500-0800 JST.

Should be about an hour lefttwo hours left to launch. 6:20 JST

Quote
NVS: T-2h, We are GO and starting LOX tanking soon.
« Last Edit: 07/29/2017 07:31 PM by savuporo »
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Offline savuporo

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Re: Interstellar Technologies
« Reply #30 on: 07/29/2017 09:03 PM »
https://twitter.com/thgrace/status/891403386469339136

Quote
More
thgrace Retweeted 砂浜王子(Masanobu.Abe)
T minus 30 min., still counting on. GO IST! LOx loading will be over within 15 min.

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Offline jcm

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Re: Interstellar Technologies
« Reply #31 on: 07/29/2017 10:07 PM »
Launch was rescheduled for 2205 UTC, but then scrubbed at about T-2 min  if I understand correctly
-----------------------------

Jonathan McDowell
http://planet4589.org

Offline savuporo

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Re: Interstellar Technologies
« Reply #32 on: 07/29/2017 10:47 PM »
Seems like an unexpected LOX valve voltage drop due to cold. Not sure if it's 3h delay or scrub
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Offline savuporo

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Re: Interstellar Technologies
« Reply #33 on: 07/29/2017 11:47 PM »
There might be another go attempt in 2h

Quote
It is under judging whether launch is possible now from 10:45 to 12:00.

Discharge of liquid oxygen and depressurization of high pressure gas line are completed

doing recovery work such as fixing defects and filling preparation.
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Offline savuporo

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Re: Interstellar Technologies
« Reply #34 on: 07/30/2017 01:12 AM »
Quote
NVS:
The weather has recovered
Try to launch 10: 20 ~ 12: 30

There was also a mention of needing to postpone until November if todays attempt doesnt work
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Offline savuporo

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Re: Interstellar Technologies
« Reply #35 on: 07/30/2017 01:53 AM »
Fuel loading complete, LOX fill has restarted

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Online catdlr

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Re: Interstellar Technologies
« Reply #36 on: 07/30/2017 02:57 AM »
wow visibility from the visitor site has really deteriorated.
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Re: Interstellar Technologies
« Reply #37 on: 07/30/2017 03:02 AM »
visibility getting better again
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Re: Interstellar Technologies
« Reply #38 on: 07/30/2017 03:04 AM »
birds are getting excited..

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Re: Interstellar Technologies
« Reply #39 on: 07/30/2017 03:12 AM »
NVS is reporting the launch at 12:30 local time.  that's about 18 min from now.

NVS​Launch is at 12:30Because it took time to inject liquid oxygen
« Last Edit: 07/30/2017 03:13 AM by catdlr »
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Re: Interstellar Technologies
« Reply #40 on: 07/30/2017 03:16 AM »
NVS for maritime safety can not be confirmed, 12:30 launch postponed
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Re: Interstellar Technologies
« Reply #41 on: 07/30/2017 03:17 AM »
NVS;  next window 15: 45 ~ 17: 00
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Re: Interstellar Technologies
« Reply #42 on: 07/30/2017 03:18 AM »
NVS:  ​Since we have not launched until 15:45, everyone will take a break
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Re: Interstellar Technologies
« Reply #43 on: 07/30/2017 03:20 AM »
people still waiting at the viewing area:
« Last Edit: 07/30/2017 03:20 AM by catdlr »
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Offline savuporo

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Re: Interstellar Technologies
« Reply #44 on: 07/30/2017 03:22 AM »
Pretty unlucky. Heavy fog rolled in like 15 min before countdown
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Re: Interstellar Technologies
« Reply #45 on: 07/30/2017 03:24 AM »
Pretty unlucky. Heavy fog rolled in like 15 min before countdown

Yea, the fog has been in and out.  But NVS states that once the rocket clears the low lying fog there will be good visibility.
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Re: Interstellar Technologies
« Reply #46 on: 07/30/2017 03:29 AM »
It's getting late here on the west coast of US, I'm dropping off.  The launch will be an another 3 hours or so.  Hopefully, one of our member's in Australia can pick this up.
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Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #47 on: 07/30/2017 03:42 AM »
Here's the current view. Three hours and five minutes until the window opens. I'll report back then.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline savuporo

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Re: Interstellar Technologies
« Reply #48 on: 07/30/2017 04:17 AM »
According to this quick summary here, they had a little wayward boat issue of their own to compound the problems

http://www3.nhk.or.jp/news/html/20170730/k10011080591000.html

Quote
The rocket was scheduled to be launched at around 6:30 a.m., but since a number of troubles were found in valves of liquid oxygen tank etc, work continued with the aim of launch until 0:30 pm.

However, it was decided that safety could not be secured because a ship entered the warning area on the sea, and it was decided to aim the launch after 3:45 pm.

fingers crossed for next attempt
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Re: Interstellar Technologies
« Reply #49 on: 07/30/2017 06:36 AM »
Looking at 07:30 UTC T-0 right now.
Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #50 on: 07/30/2017 06:45 AM »
Window is now open.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #51 on: 07/30/2017 06:50 AM »
Tweet with Bing translation.

https://twitter.com/natsuroke/status/891547178816028672

Summer Rocket Team official @ Natsuroke 16m

To ensure the security of the sea, change the scheduled launch time to 16:30. This time may be around. The process of filling in liquid oxygen continues.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Interstellar Technologies
« Reply #52 on: 07/30/2017 06:58 AM »
Trajectory. Aiming for over 100 km apogee.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline savuporo

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Re: Interstellar Technologies
« Reply #53 on: 07/30/2017 07:00 AM »
Looks like there was another ship in keepout zone, causing the 16:15 to 16:30 delay.
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Re: Interstellar Technologies
« Reply #54 on: 07/30/2017 07:02 AM »
T-30 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline savuporo

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Re: Interstellar Technologies
« Reply #55 on: 07/30/2017 07:03 AM »
NVS: Liquid oxygen filling complete  Launch Time is 16:30
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Re: Interstellar Technologies
« Reply #56 on: 07/30/2017 07:08 AM »
Here is the tweet.

https://twitter.com/natsuroke/status/891555559194869760

Summer Rocket Team official @ natsuroke 43s44 seconds ago

Filling of liquid oxygen is completed. It is now in hold to secure the sea. The scheduled launch time is 16:30.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: Interstellar Technologies
« Reply #57 on: 07/30/2017 07:15 AM »
Gotta say, they couldn't have picked a foggier day
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Re: Interstellar Technologies
« Reply #58 on: 07/30/2017 07:16 AM »
T-15 minutes.
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Re: Interstellar Technologies
« Reply #59 on: 07/30/2017 07:18 AM »
New tweet. Still go.

https://twitter.com/natsuroke/status/891557982605000707

Summer Rocket Team official @ natsuroke 1m1 minute ago

Start the terminal countdown from 15 minutes before launch.
The current scheduled launch time is 16:30.
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Re: Interstellar Technologies
« Reply #60 on: 07/30/2017 07:20 AM »
T-10 minutes.
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Re: Interstellar Technologies
« Reply #61 on: 07/30/2017 07:25 AM »
T-5 minutes. Pretty foggy.
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Re: Interstellar Technologies
« Reply #62 on: 07/30/2017 07:26 AM »
Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

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Re: Interstellar Technologies
« Reply #63 on: 07/30/2017 07:27 AM »
Performing poll.

https://twitter.com/natsuroke/status/891560496477872128

Summer Rocket Team official @ natsuroke 7s7 seconds ago

We are currently making a final go/Nogo decision, but we are still holding. # MOMO_TF1
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Offline savuporo

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Re: Interstellar Technologies
« Reply #64 on: 07/30/2017 07:28 AM »
GO
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Re: Interstellar Technologies
« Reply #65 on: 07/30/2017 07:28 AM »
Go for launch. Launch in four minutes.

https://twitter.com/natsuroke/status/891560889182175232

Summer Rocket Team official @ natsuroke now

As a result of the final go/Nogo decision, the MOMO unit launch was judged to go. The scheduled launch time is 16:32. # MOMO_TF1
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Re: Interstellar Technologies
« Reply #66 on: 07/30/2017 07:28 AM »
Damn, this fog is dense
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Re: Interstellar Technologies
« Reply #67 on: 07/30/2017 07:30 AM »
T-3 minutes.
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Re: Interstellar Technologies
« Reply #68 on: 07/30/2017 07:30 AM »
Over 3000 viewers on livestream over youtube now, seems like plenty of people watching on site too.
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Re: Interstellar Technologies
« Reply #69 on: 07/30/2017 07:31 AM »
T-1 minutes.
« Last Edit: 07/30/2017 07:31 AM by Steven Pietrobon »
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Offline savuporo

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Re: Interstellar Technologies
« Reply #70 on: 07/30/2017 07:31 AM »
90 seconds
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Re: Interstellar Technologies
« Reply #71 on: 07/30/2017 07:31 AM »
Liftoff!
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Re: Interstellar Technologies
« Reply #72 on: 07/30/2017 07:32 AM »
Empty pad.
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Re: Interstellar Technologies
« Reply #73 on: 07/30/2017 07:33 AM »
Watching crowd.
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Re: Interstellar Technologies
« Reply #74 on: 07/30/2017 07:34 AM »
 This is the vision I keep having of Eclipse day after a 1600 mile drive.

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Re: Interstellar Technologies
« Reply #75 on: 07/30/2017 07:35 AM »
Um .. something about telemetry interruption and emergency stop ..
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Re: Interstellar Technologies
« Reply #76 on: 07/30/2017 07:36 AM »
Tweets. Not sure what the second tweet means.

https://twitter.com/natsuroke/status/891562384153640960
Summer Rocket Team official @ natsuroke 58s58 seconds ago
Start the flight sequence. # MOMO_TF1

https://twitter.com/natsuroke/status/891562479779627008
Summer Rocket Team official @ natsuroke 1m1 minute ago
An emergency stop was made because telemetry was interrupted during launch. # MOMO_TF1
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Re: Interstellar Technologies
« Reply #77 on: 07/30/2017 07:37 AM »
Apparently they shut down the engine
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Re: Interstellar Technologies
« Reply #78 on: 07/30/2017 07:38 AM »
Giving an interview.

The tweet sounds like they aborted the launch during flight.
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Re: Interstellar Technologies
« Reply #79 on: 07/30/2017 07:39 AM »
Shot of the launch.
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Re: Interstellar Technologies
« Reply #80 on: 07/30/2017 07:41 AM »
Here's the view from NVS. I don't think they saw much!
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Re: Interstellar Technologies
« Reply #81 on: 07/30/2017 07:41 AM »
Anybody want to translate?
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Re: Interstellar Technologies
« Reply #82 on: 07/30/2017 07:46 AM »
Interstellar Technologies web cast has ended. NVS still going.
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Re: Interstellar Technologies
« Reply #83 on: 07/30/2017 07:49 AM »
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Re: Interstellar Technologies
« Reply #84 on: 07/30/2017 07:59 AM »
Translation is not great but I think the meaning is clear enough. Flew for about 80s so thatís a decent amount of time before telemetry was lost. Hopefully they have a lot of data on how well it performed to that point.

Quote
MOMOは機体の姿勢,位置,速度,機体搭載センサーの情報を電波を使って常時地上の管制室へ送るテレメトリと呼ばれる仕組みを備えています。管制ではこの情報から機体が予定した領域内を飛んでいるか?危険な場所に落ちないか?を判断しています。(続く) #MOMO_FT1

Quote
MOMO has a mechanism called telemetry attitude, position, speed, aircraft equipped with sensors using the radio at all times to the control room on the ground send information. Flying in the area planned from aircraft in the air traffic control? Are you sure you do not fall into a dangerous place? Has been determined. (Continued) #MOMO_FT1

https://twitter.com/natsuroke/status/891566862156185600

Quote
今回の打ち上げでは、エンジン点火・離床から約80秒後にこのテレメトリの通信が途絶しました。このため機体の位置及び落下位置が把握できなく恐れがあるためエンジンを緊急停止するコマンドを送信し、警戒区域内に機体を落下させました。着水位置は沖合約8kmと見られます。 #MOMO_TF1

Quote
With the launch of this has cut off this telemetry communication about 80 seconds after engine ignition and mobilization. Because of this and sent for could no longer understand the aircraft's position and the position the engine emergency stop command, made aircraft falling within the warning area. Landing positions are seen as about 8 km off the coast. #MOMO_TF1

https://twitter.com/natsuroke/status/891568200499863552
« Last Edit: 07/30/2017 08:03 AM by FutureSpaceTourist »

Offline john smith 19

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Re: Interstellar Technologies
« Reply #85 on: 07/30/2017 08:56 AM »
Translation is not great but I think the meaning is clear enough. Flew for about 80s so thatís a decent amount of time before telemetry was lost. Hopefully they have a lot of data on how well it performed to that point.
Indeed. Let's remember historically ELV's have a 50/50 chance of a successful first flight and the first 3 F1 flights were not successful.

It looked like lousy weather for a launch, but maybe it looked worse than it was IE bad visibility but light winds and no lightning, which are the real trouble makers in a launch.

On the upside isn't 80secs close to stage separation?  For a first flight that should be quite useful, provided they can identify the root cause. Also the translation implies the vehicle self terminated, without a range safety receiver on board. That may sound trivial but those are specialist devices and quite expensive for what they do.   Not needing to carry one disproportionately lowers the fixed costs of a small vehicle, which is a good thing if you want to make this vehicle profitable.

I hope they assess the data and use it to drive the next copy of the vehicle.
"Solids are a branch of fireworks, not rocketry. :-) :-) ", Henry Spencer 1/28/11  Averse to bold? You must be in marketing."It's all in the sequencing" K. Mattingly.  STS-Keeping most of the stakeholders happy most of the time.

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Re: Interstellar Technologies
« Reply #86 on: 07/30/2017 04:20 PM »
Some articles out now, no new detail

http://www.japantimes.co.jp/news/2017/07/30/business/tech/launch-private-rocket-backed-horie-fails-off-hokkaido/

Quote
The launch of what would have been Japanís first privately developed rocket to reach outer space failed Sunday off Hokkaido after telemetry was lost, forcing it to be aborted, the Hokkaido-based developer said.

Officials from Interstellar Technologies Inc., founded by former Livedoor Co. President Takafumi Horie, said the 10-meter-long Momo rocket was aborted after communications with the rocketís telemetry system failed about 80 seconds after liftoff. The rocket was launched from the town of Taiki, on the islandís south coast.

The rocket fell into the Pacific Ocean about 8 km offshore after its engine was halted, they said.
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Re: Interstellar Technologies
« Reply #87 on: 07/30/2017 04:27 PM »
Quote
7月30日16時31分に打ち上げられたMOMO 1号機は、約66秒間の飛翔の後、テレメトリ途絶のため管制室から送られたエンジン緊急停止コマンドにより飛行を中断し、沖合約6.5kmの警戒海域内に落下したと見られます。(20:04更新) #MOMO_TF1

https://twitter.com/natsuroke/status/891615562329083905

Quote
Seen as a MOMO 1 rocket was launched in the 7/30 16:31 the engine emergency stop command sent from the control room after 66 seconds of telemetry disruption for suspends flight, fell within the warning area 6.5 kilometers off the coast. (20:04 Update) #MOMO_TF1


Quote
今回はエンジン点火・離床から約66秒後にこのテレメトリの通信が途絶しました。このため機体の位置及び落下位置を把握できなく恐れがあるためエンジン緊急停止コマンドを送信し、警戒区域内に機体を落下させました。着水位置は沖合約6.5kmと見られます。(20:06更新) #MOMO_TF1

https://twitter.com/natsuroke/status/891566862156185600

Quote
I was cut off this telemetry communication about 66 seconds after engine ignition and mobilization. Because of this and send engine emergency stop command can no longer determine the aircraft's position and position, there is fear, in the exclusion zone has been falling aircraft. Landing position is seen as 6.5 kilometers off the coast. (20:06 Update) #MOMO_TF1

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Re: Interstellar Technologies
« Reply #88 on: 07/30/2017 07:57 PM »

Quote
Seen as a MOMO 1 rocket was launched in the 7/30 16:31 the engine emergency stop command sent from the control room after 66 seconds of telemetry disruption for suspends flight, fell within the warning area 6.5 kilometers off the coast. (20:04 Update) #MOMO_TF1
So engine shutdown was by radio command rather than on board software?
It also suggests engine cutoff shut off power, which seems odd, like on board power was being generated from the engine, rather than from a battery. 

TBH this sounds like quite a good idea, depending on the trade off between generator mass and battery mass, with a small battery to run between switching to internal power and engine start.
"Solids are a branch of fireworks, not rocketry. :-) :-) ", Henry Spencer 1/28/11  Averse to bold? You must be in marketing."It's all in the sequencing" K. Mattingly.  STS-Keeping most of the stakeholders happy most of the time.

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Re: Interstellar Technologies
« Reply #89 on: 07/30/2017 08:47 PM »
additional videos (onboard) from NHK News

https://www3.nhk.or.jp/nhkworld/en/news/20170730_17/
Tony De La Rosa

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Re: Interstellar Technologies
« Reply #90 on: 07/30/2017 10:06 PM »


Anybody want to translate?

Well I'm net yet good enough to translate much, but I can at least recognise the very beginning as the company name.

インタステラテクノロジズ
I n ta su te ra te ku no ro ji zu

So if you see some Japanese writing and see that phrase, you know that it's about Interstellar Technologies.

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Re: Interstellar Technologies
« Reply #91 on: 07/31/2017 02:06 AM »

Quote
Seen as a MOMO 1 rocket was launched in the 7/30 16:31 the engine emergency stop command sent from the control room after 66 seconds of telemetry disruption for suspends flight, fell within the warning area 6.5 kilometers off the coast. (20:04 Update) #MOMO_TF1
So engine shutdown was by radio command rather than on board software?
It also suggests engine cutoff shut off power, which seems odd, like on board power was being generated from the engine, rather than from a battery. 

TBH this sounds like quite a good idea, depending on the trade off between generator mass and battery mass, with a small battery to run between switching to internal power and engine start.
The flight was terminated because the rocket stopped transmitting so onboard footage and GNC data was lost shortly before ground issued thrust and flight termination.  Your theory is unlikely based on the available data on the rocket. Also the receiver on the rocket worked because it was a separate antenna and box rather than combined transceiver unit like most sounding rockets these days.

Offline savuporo

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Re: Interstellar Technologies
« Reply #92 on: 07/31/2017 02:21 AM »
Two clips with the same views as NHK was showing :





Seems like they also showed their concept for the orbital version at press conference, it's visible at the right corner of the table.


https://twitter.com/nvslive/status/891835881677508608
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Re: Interstellar Technologies
« Reply #93 on: 07/31/2017 02:26 AM »
If you play the first video slowly it looks like there is some sort of mechanical deformation event that happens split second before video drops out.

00:45 - 46

« Last Edit: 07/31/2017 02:32 AM by savuporo »
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Re: Interstellar Technologies
« Reply #94 on: 07/31/2017 07:18 AM »
If you play the first video slowly it looks like there is some sort of mechanical deformation event that happens split second before video drops out.

That bending could be just a video artefact. However, this might show the camera being ripped off, perhaps due to the vehicle losing control. The vehicle does appear to be rolling, probably not a good thing in a liquid fuelled rocket, as the propellant would centrifuge to the walls, changing the centre of gravity and possibly sending the vehicle into a flat spin.
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Re: Interstellar Technologies
« Reply #96 on: 08/01/2017 09:31 AM »












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Re: Interstellar Technologies
« Reply #97 on: 08/02/2017 08:49 AM »
Hi guys. :)

Thank you for tracking us!

As everyone here knows, we lost a signal after 66 second of flight.
In the news, it states we sent an abort signal and we did.
But most probably before we sent the command, it would have been shut down by it self.

We are still under investigation of the root cause of this event.
We have some idea on what has happend but still under discussion.
Also, the team are exhausted from the launch schedule which we used up all the windows.
 
Anyway, we got a valuable data from the rocket which can lead to 2nd MOMO.
We are planning to launch it again by end of this year with the improvement and hopefully, the next launch will be in outer space. 8)

Stay tuned!

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Re: Interstellar Technologies
« Reply #98 on: 08/02/2017 10:25 AM »
As everyone here knows, we lost a signal after 66 second of flight.
In the news, it states we sent an abort signal and we did.
But most probably before we sent the command, it would have been shut down by it self.
Interesting. An on board FTS should simplify future ground operations.

Quote from: Arthur777
We are still under investigation of the root cause of this event.
We have some idea on what has happend but still under discussion.
Good luck with a speedy resolution and RTF.
Quote from: Arthur777
Also, the team are exhausted from the launch schedule which we used up all the windows.
The weather during launch looked very bad.  :(
 
Quote from: Arthur777
Anyway, we got a valuable data from the rocket which can lead to 2nd MOMO.
We are planning to launch it again by end of this year with the improvement and hopefully, the next launch will be in outer space. 8)
Data is the most valuable result from any early test launch.

66secs this time.

Next time...??
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Re: Interstellar Technologies
« Reply #99 on: 08/03/2017 06:10 PM »
Quote
Sounding rocket "MOMO" was launched on July 30th.
The rocket was successfully launched but didn't reach Karman line.

https://twitter.com/natsuroke/status/893167090491731968

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Re: Interstellar Technologies
« Reply #100 on: 08/07/2017 03:26 AM »
It's interesting how japanese domestic reporting calls it a failure, but US reporting calls it a partial success.

Horie-mon is a bit miffed by Canon Electronics forming a new domestic newspace JV and he wasn't invited. If Interstellar can get a successful reflight in before Canon Electronics and their SS-520 reflight, we may see Horie-mon steal some of the PR thunder here.

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Re: Interstellar Technologies
« Reply #101 on: 08/07/2017 03:45 AM »
It's interesting how japanese domestic reporting calls it a failure, but US reporting calls it a partial success.

Horie-mon is a bit miffed by Canon Electronics forming a new domestic newspace JV and he wasn't invited. If Interstellar can get a successful reflight in before Canon Electronics and their SS-520 reflight, we may see Horie-mon steal some of the PR thunder here.

They probably should be a bit miffed. I just saw the NHK news article on Canon using IST launch footage, but ( far as i can google-translate ) not a word about IST

http://www3.nhk.or.jp/news/html/20170805/k10011088071000.html

Orion - the first and only manned not-too-deep-space craft

Offline FutureSpaceTourist

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Re: Interstellar Technologies
« Reply #102 on: 08/25/2017 01:54 AM »
Quote
Japanese company plans second launch of privately funded sounding rocket this year
by Jeff Foust ó August 23, 2017

LOGAN, Utah ó A Japanese company whose first sounding rocket launch last month failed to reach space will try again by the end of the year as it continues work on a small launch vehicle.

[Ö]

Horio said that, once in commercial service, Interstellar will sell launches of Momo for $300,000 each. The company expects to produce one rocket every one to two months.

http://spacenews.com/japanese-company-plans-second-launch-of-privately-funded-sounding-rocket-this-year/

Offline Pipcard

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Re: Interstellar Technologies
« Reply #103 on: 09/18/2017 01:49 AM »
Seems like they also showed their concept for the orbital version at press conference, it's visible at the right corner of the table.


https://twitter.com/nvslive/status/891835881677508608
Here's ansur_nied's rendering of Momo, the orbital rocket, and the British Black Arrow. 2 m is a rough estimate for the diameter.
« Last Edit: 09/18/2017 03:56 AM by Pipcard »

Offline FutureSpaceTourist

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Re: Interstellar Technologies
« Reply #104 on: 12/01/2017 06:44 AM »
Quote
初公開!今秋から行っているガス発生器の燃焼実験の様子です。 
このガス発生器は、軌道投入用ロケットのターボポンプを回すために作っています。
観測ロケット「MOMO」はヘリウムの圧力でエンジンに燃料を送っています。
軌道投入ロケットの性能を向上させるため、ターボポンプ開発を進めています!

https://twitter.com/natsuroke/status/936443020395782146

Translation by bing:

Quote
Premiere! 
It is a combustion experiment of gas going from the fall.
To turn the Turbo orbital launch rocket gas generator is made.
Rockets 'MOMO' has sent fuel engine by the pressure of the helium. To improve the performance of the orbital launch rocket turbopump development underway!

Offline Asteroza

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Re: Interstellar Technologies
« Reply #105 on: 12/04/2017 06:23 AM »
So, will they launch this month? More importantly, will they launch before Canon Electronics Inc.?

Judging by their crowdfunding campaign status for MOMO2, maybe not (currently around 13% funded, with two months left in the campaign)

https://camp-fire.jp/projects/view/54332


A lot of people are rooting for Interstellar and Horie-mon as the underdogs though.

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