Author Topic: Swiss Space Systems - reusable air-launched vehicle  (Read 108158 times)

Offline lucspace

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #60 on: 02/02/2014 03:36 pm »
Would you have a link to that YouTube clip?

Offline Danderman

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #61 on: 02/03/2014 02:49 am »
Would you have a link to that YouTube clip?



Most of us will notice fairly quickly that their Airbus can't really have a vertical stabilizer as shown in the video, or very bad things will likely happen.
« Last Edit: 02/03/2014 02:54 am by Danderman »

Offline Borklund

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #62 on: 02/03/2014 03:47 am »
That's a very well put together video, brilliant presentation.
Would you have a link to that YouTube clip?
Most of us will notice fairly quickly that their Airbus can't really have a vertical stabilizer as shown in the video, or very bad things will likely happen.
Care to elaborate?

Offline Elmar Moelzer

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #63 on: 02/03/2014 03:51 am »
Most of us will notice fairly quickly that their Airbus can't really have a vertical stabilizer as shown in the video, or very bad things will likely happen.
I had a similar feeling. You have a vehicle with a high lift to drag ratio trying to dive away underneath a vehicle with a low L/D before that second vehicle hits the rudder. That will be interesting.
« Last Edit: 02/03/2014 03:51 am by Elmar Moelzer »

Offline Oli

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #64 on: 02/03/2014 06:09 am »
Would you have a link to that YouTube clip?

Most of us will notice fairly quickly that their Airbus can't really have a vertical stabilizer as shown in the video, or very bad things will likely happen.

That's not the clip lucspace was asking for. Regarding that vertical stabilizer, I'm sure they know more than "most of us". It worked for the space shuttle after all.

Offline guckyfan

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #65 on: 02/03/2014 07:40 am »
Regarding that vertical stabilizer, I'm sure they know more than "most of us". It worked for the space shuttle after all.

Space Shuttle launched from a Jumbo? I must have missed the memo.

Yes, I saw that too and had grave doubts about it. Other air launchers are dropped from the bottom for a reason.


Offline rdiaz

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Offline Oli

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #67 on: 02/03/2014 08:00 am »
Regarding that vertical stabilizer, I'm sure they know more than "most of us". It worked for the space shuttle after all.

Space Shuttle launched from a Jumbo? I must have missed the memo.

Yes, I saw that too and had grave doubts about it. Other air launchers are dropped from the bottom for a reason.

Not launch, but drop tests.

Other air launched vehicles are not designed as gliders, from what I can tell.

In any case, they wouldn't have 250 people working on the project if it would be likely the vehicle would hit the tail of the carrier aircraft. That's silly.

Offline guckyfan

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #68 on: 02/03/2014 08:42 am »
Not launch, but drop tests.

Other air launched vehicles are not designed as gliders, from what I can tell.

Thanks, so I missed the memo.

In any case, they wouldn't have 250 people working on the project if it would be likely the vehicle would hit the tail of the carrier aircraft. That's silly.

A good argument too. I use it sometimes for things SpaceX does.


Offline fatjohn1408

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #69 on: 02/03/2014 09:04 am »
Most of us will notice fairly quickly that their Airbus can't really have a vertical stabilizer as shown in the video, or very bad things will likely happen.
I had a similar feeling. You have a vehicle with a high lift to drag ratio trying to dive away underneath a vehicle with a low L/D before that second vehicle hits the rudder. That will be interesting.

Solution lies in shutting the engines of the airbus off or at a very low throttle prior to separation, no?
I bet the fueled shuttle has a larger ballistic coefficient than the airbus.

Offline fatjohn1408

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #70 on: 02/20/2014 08:41 am »
Deal made with Kuznetsov for spaceplane engine and with Energia for upper stage design.

http://www.24heures.ch/economie/Swiss-Space-Systems-va-acheter-des-moteurs-russes/story/15370383

Offline Borklund

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #71 on: 05/20/2014 07:01 pm »
Not a strictly spaceplane related update, but S3 is now offering parabolic Zero G flights: http://www.zerog.s-3.ch/index.htm

Offline SwissCheese

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #72 on: 07/09/2014 08:30 pm »
The CEO was just interviewed in an entertainment radio program (in French):

http://www.rts.ch/la-1ere/programmes/poyekhali/5936660-poyekhali-du-06-07-2014.html#5936659

It begins at 15:00.

There are some interesting bits:
- the project was actually launched undercover 6 years before the official launch, it was only announced when it was found to be (economically) safe enough
- he details how difficult it was to convince bankers, probably much more in Switzerland than in USA, because our bankers are quite conservative and fear unconventional start-ups.
- he describes strategies how to convince companies to sell them parts and partner with them
- he explains that companies and agencies from various countries trust them to integrate their hardware and technologies in the SOAR shuttle while ensuring that the other partners do not get access to the technologies (Russia/USA/...). Actually the Swiss reputation for secret here helps a lot.


On a side note, I know a little the CEO, he was my captain during military service in the air force ;)


(I can put the mp3 in attachment if needed, just ask)

Edit: mp3 added
« Last Edit: 07/10/2014 08:31 am by SwissCheese »

Offline Borklund

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #73 on: 07/09/2014 11:03 pm »
(I can put the mp3 in attachment if needed, just ask)
Pretty please.

Offline Oli

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Offline R7

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #75 on: 09/25/2014 07:00 pm »
Engine will be NK-39

Now there's a weirdo TPA to decipher!  :o
AD·ASTRA·ASTRORVM·GRATIA

Offline Danderman

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #76 on: 11/11/2014 03:59 pm »
Swiss Space Systems concludes first phase of drop-tests

http://www.spacedaily.com/reports/Swiss_Space_Systems_concludes_first_phase_drop_test_flight_campaign_in_North_Bay_999.html

Swiss Space Systems (S3) has concluded the first phase of a drop-test flight campaign with the help of Canadore College and its partners in North Bay. These first test flights were done with the purpose of testing and validating avionics systems, drone systems, Guidance-Navigation-Control instruments and various sensors.

Offline Danderman

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #77 on: 11/11/2014 03:59 pm »

Engine will be NK-39

http://www.s-3.ch/en/home/2014/09/25/official-visit-to-jsc-kuznetsov-propulsion-systems-provider-of-the-soar



The knee-jerk decision by many startups to go with NK Engines may not continue much longer.

Offline MTom

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Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #78 on: 11/11/2014 06:21 pm »

Engine will be NK-39

http://www.s-3.ch/en/home/2014/09/25/official-visit-to-jsc-kuznetsov-propulsion-systems-provider-of-the-soar



The knee-jerk decision by many startups to go with NK Engines may not continue much longer.

Because of the NK-33-story of Antares or are there other reasons for this statement? Only a question.

EDIT:
I read it: nearly the same situation as NK-33, isn't it?
Quote
Kuznetsov Lox/Kerosene rocket engine. 402 kN. N-1F stage 3. Development ended 1971. Isp=352s. Modified version of original engine with multiple ignition capability. Never flown and mothballed after the cancellation of the N1.
After initial failures of the N-1 Kuznetsov developed modified versions of engines for all 3 stages, with multiple ignition capability and increased operational lifetime. These engines were never flown and were mothballed after the cancellation of the N1.
http://www.astronautix.com/engines/nk39.htm
« Last Edit: 11/11/2014 07:19 pm by MTom »

Offline TrevorMonty

Re: Swiss Space Systems - reusable air-launched vehicle
« Reply #79 on: 11/11/2014 08:58 pm »
It is not very clear from article whether these are new NK39 or refurbished ones from 70s. Can't find anything on web about them still being manufactured.

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