Members of our team at EuRoC 2023

Our year 2023

In time for the new year, we want to take a look back at the year past. We have learned so much and grown beyond ourselves. We were able to celebrate many successes, the small ones as well as some bigger ones. We made incredible progress in all teams, gained new experiences and have now reached a new and exciting point in our association’s work.

But let’s take a look at everything from January 2023 on:

At the beginning of the year, we organized our first networking event in cooperation with Starthaus Bremen & Bremerhaven – and it was a complete success. We received so much positive feedback that we are now organizing this type of an event on a regular basis. 

In the meantime, our technical teams have finalized many manufacturing and production processes and completed some important rocket parts. For example, the Structure team produced the final CFRP-reinforced tank. And our Aerodynamics team simulated the trajectory and designed our fins. 

From April 2023, the major test phase of our rocket subsystems began. We carried out the first Hotfire test in the DLR institute of Space Propulsion at Lampoldshausen. We tested the propulsion of our rocket and the load capacity of our tank. 

Meanwhile, the recovery team tested our parachute at the wind tunnel test facility of TU Delft, Netherlands. There, the parachute and the ejection system were tested in a wind tunnel at a maximum speed of 100 km/h for stability and tear resistance. We were also able to celebrate our first major success of the year there: our parachute works! 

Of course, our avionics team was also involved in all these and other tests. They constantly developed the flight computer further and put the individual parts together.

In the summer, we then set off for a second hot-fire test, again at the DLR in Lampoldshausen. There we experienced another great success: we had a successful blowdown with 10s thrust with an average of 2.2 kN. Our tank also withstood a pressure of 90 bar.

On top of all these successes, we had the great opportunity to travel Portugal to take part in the annual EuRoC rocket competition. Although we were, unfortunately, unable to launch our rocket there, we were able to gain many insights into the work of other teams, receive professional feedback on our design, and see other rockets being launched. 

We are especially happy about the amazing report in Buten un Binnen that shows our attendance at EuRoC and presents our association in a vivid and authentic way. We would like to thank Anna-Lena Borchert once again for this wonderful opportunity! 

Back in Germany, we kicked off our next networking event in cooperation with Starthaus Bremen & Bremerhaven, this time focusing on sustainability in space. We were delighted to welcome guests such as Holger Oelze (CEO ZARM Technik AG), Prof. Dr. Dr. h.c. Michal Kucera (University Bremen) and Siegfried Monser (Space Co-Ordinater Bremen). The discussions and exchanges with people from business, science, politics and society were incredibly enriching. 

Towards the end of the year we started designing our new rocket. We want to launch this at EuRoC 2024. We have incorporated the feedback and other requirements and are now implementing this in our new designs. 

We were also able to attend the Space Tech Expo in Bremen for the third time in a row and share our enthusiasm for space with people from all over the world. 

At the end of the year, we said farewell to our old executive board and re-elected them. We would like to thank our former board for their supportive work over the past year and wish the members who are leaving us all the best! We are very grateful to welcome two new, extremely committed members to the board and look forward to your ideas and suggestions! 

We would also like to thank our sponsors very much. Without your material, informational, and financial support we would not have been able to do any of this!

We are incredibly excited about the year 2024 ahead of us, to all the challenges we will overcome and all the successes we will celebrate. See you in one year! 

Members of our team at EuRoC 2023

Our first attendance at EuRoC

Anyone who reads our website, talks to us, or receives a flyer from us knows directly: We want to reach outer space. We want to build a rocket that flies to 103.6 km, thus crossing the border to space. To achieve this, we are developing and building all the systems for a rocket which can achieve this lofty goal. 

But of course, safety is our top priority. That’s why it was clear to us from the very beginning that we would not simply launch our first rocket straight to 100 km. So what do we do? We decided to build a smaller rocket to test all of our systems and the design overall. This scaled down rocket would „only“ reach an altitude of about 3 km, but will give us the opportunity to test technology and gain the experience we need to reach our final target. Accordingly, we are focused on building this smaller rocket KARMA. 

Over the last few months we have been working very hard to get closer and closer to this goal. We have completed many components, conducted countless tests of individual systems, and have also learned lots in the process. Then we applied to EuRoC 2023. EuRoC is a Europe-wide competition for student groups that build rockets. There you can launch different types of rockets to different target heights (3km and 9km). The rocket that most accurately reaches the designated target altitude wins the competition in its category 

After a long application period and a lot of preparation, a part of our team traveled to Portugal on October 7th – together with our 3m long rocket in our luggage. On site, many more tests were carried out and our rocket was fully assembled. Our engineers tried to implement as much feedback as possible in the short time and to improve and eliminate shortcomings in the rocket. Unfortunately, the time during the competition was not enough to change as much of the design as would have been necessary for a launch. Our launch was cancelled and our ASTRAnauts traveled back to Bremen. 

Of course, the trip to Portugal wasn’t for nothing. In the short time before and during EuRoC, we were able to make an incredible amount of progress in the development of our rocket. Through many tests we got a lot of opportunities to optimize details of our rocket. We will now collect the feedback we have received and take the time to incorporate it into our next design with one goal: to launch our rocket KARMA successfully in 2024!  

If you want to watch a short video about us at EuRoC, click here:

https://www.butenunbinnen.de/videos/studierende-bauen-rakete-100.html