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DEAR COPENHAGEN SUBORBITALS GUESTS, We'll get right to it: We need your help to run Copenhagen Suborbitals. This is a 100% non-profit project driven by sheer joy and hard work. We survive on donations averaging about $10, that we use to pay for raw materials, tools, our workshop, electricity and most importantly, rocket fuel. The entire CS team are unpaid volunteers, building rockets in our spare time. If this project brings you joy, please donate to keep it running. Thank you.

Throughout the last 10 years CS has designed, fabricated and tested more than 25 rocket engines. Among those are some of the most powerful amateur build rocket engines ever build. Thus, we have amassed a huge internal experience in rocket engine design. Our leading design philosophy is to put simplicity, manufacturability and low cost ahead of performance. With this mindset anyone can build rocket engines.

In fact, within the last couple of years we have assisted a start-up company in design and test procedures of their very first rocket engine. We have even conducted an extensive university course where the students ended up building their own liquid bi-propellant engines (yes, in plural!), their own test stand and tested their engines with great success.

If you are looking for a university course on rocket engine design or looking for a design partner on an upcoming project, head over to the contacts page and throw us a mail.

Or for a bit of inspiration, check out how we made the BPM5 engine and performed the very first hot fire (click image)