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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.

Junque in armor

Since the last time I wrote about the cheap cameras from China, locally known as CCC (Chinese Crap Camera), I’ve been tinkering to get something sensible out of the small buggers. The footage we have Read more…


Helium versus nitrogen

Dear readers, As described in the latest blog, we performed five engine tests on Sunday October 10th. One of the goals of the tests was to determine whether we can use nitrogen as pressurising gas Read more…


New record!

Dear readers, Our friends from Singapore visited this past weekend. Their project has reached a stage where we are able to test one of their engines. Our friends from the far east are not keen Read more…


Data from Nexø I

Dear readers, It is now a couple of weeks ago that Nexø I ascended majestically above Sputnik. Flemming has already told a good deal about the flight in this blog. As can be seen, both Read more…


Nexø I flew and fell back again

Translation by Bo Brændstrup. Click! « Autosequence start, T-30 seconds. » The LED next to the mission box button marked autosequence start lights up to tell me that the launch control interface aboard Sputnik has received the Read more…