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SFS News: Copenhagen Suborbital - 11 days and counting...for

Posted by: Rob Goldsmith - Thu Feb 26, 2009 8:04 pm
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SFS News: Copenhagen Suborbital - 11 days and counting...for 
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Post SFS News: Copenhagen Suborbital - 11 days and counting...for   Posted on: Thu Feb 26, 2009 8:04 pm
by Kristian von Bengtson,

We have started the countdown for the HATV 14kN booster test in Copenhagen, Denmark for the 8th of March 2009. Two 5 meter HATV rockets have been created and one will be tested in this test. Both HATV rockets engines will be adjusted, if necessary, accordingly to the test results and flown as Copenhagen Suborbitals first flight demonstrator in the summer of 2009. Additional to these tasks we have begun the construction of the one person space craft and are right now testing thermal protection systems along with our matematical modeling of the reentry fase. Only crew will be allowed for the test as well as press from several danish national tv networks and Discovery Channel Canada. Please stay tuned for visuals and results from our test very soon.

Please feel free to discuss this topic further...

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Post    Posted on: Fri Mar 06, 2009 7:53 pm
Update from the team!

Entering final countdown.
by Peter, 2009-03-06

We are now just one day and 20 hours form our HATV static test. Everything is on schedule, for the record off scale big engine run. Results will be avalible on homepage as soon as they are avalible to us. As in every experimental rocket test, we don´t know for sure if this is going to work, so don´t be surprised if not. Cross your fingers for us instead. Thank you.


Good luck guys :) !

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Post    Posted on: Mon Mar 09, 2009 5:01 pm
just read:

T-12 hours to ignition
by Peter, 2009-03-08

The HATV rocket its fueled and checked out for its marts 8th static test. There is now nothing much more we can do, by tomorrow at at noon we will know if we are going to the stars or back to the drawing board...


HATV booster passed the test with flying colors
by Peter, 2009-03-08

The HATV booster test is now successfully concluded. The engine burned with less propellant residue than we anticipated, and overall performed considerably better than predicted. The combustion was symmetrical over the length of the combustion cell. Copenhagen Suborbitals is happy to announce that HATV is now ready for its first stratospheric flight test.

Cool hey!

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Post HATV test   Posted on: Tue Mar 10, 2009 1:00 pm
Hi

Kristian and Peter are blogging extensivly in danish on this page
http://ing.dk/blogs/rumfartpaadenandenmaade

i will give a short sumary of the blog on the test.

----------------------

By Peter Madsen

The test of the HATV rocket sunday the 8 was a complete succes. At 12:27 the engine ingited with at loud noise and the next 23 sec. this 90.000 kW machine screams on. The HATV engine delivers a total impulse of 140.000 Newton sec. This is at european record for amatur rocets. This is not at test engine but at fully configured rocket system with guidefins and all. If let loos upright it would have flown into the stratosphere.

Because of the vertical position the burn time was longer and lasted 23 sec instead of 16 sec. We had a wery hot engine and the outer layer of the stealnossel melted and was shredded. This only happened at the very end of the test and is not considered a major problem.

Post flight inspection showed at compleatly symetric burn of the fuelgrain. Furthermore the engine burns it self out. That is when there is no more dinitrogenoxide there is also no more fuel.

The mesuring group had a lousy day as the rain came pouring down and all electrical conections were wet. Only one of four systems functioned. This is disapointment as other groups can measure electronicaly but the one working system and the high speed camra gave enough data to analyse the performance. Most importanly the test was enough to go on to the launch in late summer 2009 with out further changes

http://www.youtube.com/watch?v=-7F5wu7a95E

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Post    Posted on: Tue Mar 10, 2009 4:50 pm
Fantastic Video!, i was sat there waiting then WOW! hahaha!

Thanks for the update!

Great stuff!

Rob :)

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Post Abrubt engine start   Posted on: Wed Mar 11, 2009 12:32 pm
Peter Madsen have explained that the sudden engine start is an design parameter as they have a wery short launch ramp and have to gain speed fast to obtain guidaince from the air pressure on the rocket.

yours Marius


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Post More pictures from the test   Posted on: Thu Mar 12, 2009 1:22 pm
Hi They have updated with more highspeed pictures of the test.

I have used Google to translage from danish

------
By Kristian von Bengtson and Peter Madsen, Thursday 12 mar 2009 kl. 10:36
For people who can see the beauty in the rockets, I can warmly recommend
Sonny Wind troupe beautiful video capture on Vimeo.

http://www.vimeo.com/3585147

We make use of a range of different camera - we have two high-def and by this test, three high speed camera.

High speed camera is so rewarding in this type of activities that I almost can not get the arms down - we can record with framerates from 300 to 1200 fps, and do it in six hours at a time. Although the solution is substantially lower than our regular camera (CASIO EXILIM EX-F1) is always high speed giving the truly exciting erotic material. Put on top of this they are not expensive (5 to 7 thousand)

On the ship we built used the time to shoot the child program "VOLTE" a high speed camera with 250 thousand. It is typically used at 1000 fps and can record only in a second. However, in complete solution for TV. It takes a long time to load the equipment, and requires some talented geeks to use. On the same frame rate requires a lot more light. Good night, if we had it gave, we could not use it.

Enjoy it.

Peter Madsen


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Post    Posted on: Thu Mar 12, 2009 4:21 pm
Excellent, ive posted the latest Press Release at http://spacefellowship.com/News/?p=8416

The 'Nozzle Ring Fails' part is quite amazing to watch! though obviously not so good for the team. Great footage

Regards
Rob

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