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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.

The main cable harness for Nexø II

This vlog describes the main cable harness of the Nexø II. The harness is the interconnect between the various electronic subsystems, and also connects each subsystem to its various sensors and actuators.


Electrical connections

In a quiet corner on the platform above the metal workshop, a rocket mock-up made of cardboard and wooden boards has been put on a pair of sawhorses. It is used as a template for Read more…



Dear Readers, Recently, a reader of our blog asked for more detail on the Nexø II DPR system and high pressure tank. Thus, let us look into that in this post. The simplest way Read more…