Uploaded August 2016 | Updated September 2026, 2 weeks ago
Slightly improved version of our 10000 N Hybrid Rocket Engine "HyRES". Compared to last year, we increased the combustion effficiency even further and also the combustion is more stable.
Test 17 with 15 seconds burn time at full thrust. Propellants are Nitrous oxide and paraffin fuel.
Built with funding from the German STERN Program from the DLR. Test site M11.5 provided from DLR Lampoldshausen. To be launched on the sounding rocket HEROS 2 from Esrange, Sweden.
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Website: hybrid-engine-development.de
Contact: hybrid-engine-development.de/contact-us
Facebook: facebook.com/Hybridtriebwerk
Slightly improved version of our 10000 N Hybrid Rocket Engine "HyRES". Compared to last year, we increased the combustion effficiency even further and also the combustion is more stable.
Test 17 with 15 seconds burn time at full thrust. Propellants are Nitrous oxide and paraffin fuel.
Built with funding from the German STERN Program from the DLR. Test site M11.5 provided from DLR Lampoldshausen. To be launched on the sounding rocket HEROS 2 from Esrange, Sweden.
------------------------------------------------------------------
Website: hybrid-engine-development.de
Contact: hybrid-engine-development.de/contact-us
Facebook: facebook.com/Hybridtriebwerk
![Solid Propellant Development - Part 1/3
Part 1/3
A few weeks ago, we manufactured four fuel grains to evaluate a potential new solid propellant. These grains are based on the propellant TM-78, developed by chemist Dr. Siegfried Oeckl, and have been improved in terms of pourability, safety, and regression for larger sustainer engines. Notable modifications include a higher binder ratio, larger sodium nitrate particle size, and the addition of a flexibilizer to prevent propellant cracking. Each grain is composed of 500 grams of the new TM-78HP propellant and will be tested in a small characterization motor at the MPA (Materials Testing Institute) of the University of Stuttgart. Stay tuned for part 2🔥
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Watch: https://buff.ly/4bqAIDs Solid Propellant Development - Part 1/3](https://i.ytimg.com/vi/KFIshkOCaPo/mqdefault.jpg)









