DARE | DHX-400 ‘Nimbus’ Hybrid Rocket Test 9

Video Caption: A student society that builds a record-breaking hybrid rocket engine powerful enough to lift an SUV? Check out the ninth engine test video. Unfortunately, 12 seconds into the burn an engine failure occurred.

Currently, it is believed the failure was caused due to an injector failure. It is hypothesised that the injector overheated due to an instability causing an increase in Oxidiser mass flow, which led to the chamber wall overheating and finally failing. A low and high-frequency oscillation event has been seen in the data and research to minimise these oscillations is being conducted. Our engineers are working hard on a forensic analysis to discover the cause and find a solution.

Due to our thorough safety procedures, no personnel were here harmed, however, one pumpkin was never seen again.

DARE Nimbus Hybrid Rocket Test #8

Video Caption: A student society that builds a record-breaking hybrid rocket engine powerful enough to lift an SUV? Check out the eight engine test video where we successfully tested a titanium nozzle insert!

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DHX-400 ‘Nimbus’ Hybrid Rocket Motor Test #7

Video Caption: A student society that builds a record-breaking engine powerful enough to lift an SUV? Check out the seventh engine test video where we successfully tested a 3D printed titanium nozzle!

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DHX-400 ‘Nimbus’ Hybrid Rocket Motor Test #5

The students of Delft Aerospace Rocket Engineering have been hard at it, having completed this recent test. The motor is designed to produce a nominal thrust of 15kN and burn for 28sec.

Video Caption: A student society that builds a record-breaking engine powerful enough to lift an SUV? Check out the fifth engine test video and see for yourself the reaction when it fired successfully!

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DARE DHX-400 ‘Nimbus’ Test

Updated 21/6/2017: At posting the team uploaded a video of their 4th test of the engine, which judging from the team’s reaction was a success!

Video Caption: The Stratos III propulsion team was facing some issues when the engine got a burn through after the first two tests. Check out this third engine test video and see for yourself with what engine we want to take back the altitude record!

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DARE Phoenix Engine Tests

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In this video summary, you can see the three tests performed by Project Phoenix: The hybrid engine team within DARE. The engine fired in test 1 shows a thermal failure at 5.6 seconds. Engines fired in test 2 and 3 show a successful burn.