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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.

Ballutes in windtunnel

We see: Ballute, mk2 design. Ballute, mk1 design with pillow stuffing in air vent. Ballute, mk1 design with carbon rods in air vent. Double ballute, mk1. Wind speed progress for each parachute: 20 m/s, 25 Read more…


Home made fuel tanks

First steps in Spica development are home produced stainless steel fuel tanks on our custom welding lathe. Followed by their attempted destruction by pressurization


First reefing experiment

In 2011 we performed our very first and most basic reefing test. We’ve come a long way since then, both in size and methodology 🙂 Reefing is a method of controlling the opening speed of Read more…


Cutaway of parachute cluster

Our space capsule will need a cluster of three parachutes. We will soon perform our first test of such a cluster, which will be done with a skydiver. For safety reasons, he’s not allowed to Read more…


We smashed the space capsule

Dear readers, A week ago we performed a test of our space capsule scale model at Copenhagen Air Experience’s wind tunnel facility. Let me start with showing you how we ended the day. Which shows Read more…