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Dear Rocket fans! We are thrilled to announce that this Easter, the entire Copenhagen Suborbitals crew will be spending the holidays testing our latest engine development technology on the test bench! And it is not just going to be a couple of test shots, it will be the busiest test weekend ever in CS history with 15 engine tests planned over two days! The smaller BPM5 engine was born with a showerhead-style injector that has a few drawbacks, especially when you need to scale it up to a 100 kN version for the BPM100 engine. Thus, for quite a while now we have been working on coaxial swirler based injectors and we are now ready to test this in a static hot fire. We aim to test this injector type on small scale and thus we have developed a BPM5 sized injector with coaxial swirler elements. To really learn something about this type of injector we have actually made six different versions! They differ in a few key aspects: 1) Mixture ratio 2) Film cooling 3) Fabrication technology The static test will naturall
