Today, the solid propulsion group performed their last tests using Pressure Test Devices (PTD). Although there were some problems with the data logger, we may call them a success (see DARE’s youtube channel: lrdare). The ignition was good, and the burns were very powerful. During the second test, we reached a chamber pressure of 75 Bar. We have sufficient data now to be able to design a solid rocket motor using our ALAN-7 propellant. This is exactly what we are going to do at the start of the new year!

The motor will be a large K or small L-class (about 2500 Ns) and contains 1.2 kg of ALAN-7 propellant. It will be reusable, so that several concepts may be tested. We can for example alter the nozzle geometry and material. This will provide more insight into the propellant characteristics, as well as suitable nozzle materials. Later, we may replace the casing, which is initially manufactured from aluminum, by carbon fiber or glass fiber, to decrease its mass.

For now, the solid group wishes you a merry Christmas and a happy new year!