Some mechanical issues…….

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The SCRAP experiment will fly to the desired altitude of 80 – 90 km onboard the REXUS Rocket. We are talking about a spin-stabilized rocket, powered by an Improved Orion motor, featuring a mass of 515 kg for 5.6 meters of length and 35 cm of diameter. During the launch the rocket burns 290 kg of solid propellant providing a peak acceleration of 20 g. 


This strong acceleration poses serious issues on the structures of the experiment: vibration tests and rocket dynamic studies are important and need to be carried with the maximum attention. Since a relevant part of the hardware of the SCRAP experiment comes from the hardware of the ISAAC experiment, that will be launched in Spring 2014, most of these studies have already been done in the last months:



for this the SCRAP team want to thank ISAAC team for their work and we are proud to collaborate with our REXUS colleagues in the development of the hardware of our experiments.

Finally, it was also performed the analysis of the behavior of the rocket in case of failure of the ejection of one of the two FFUs: we want to express our gratitude to Huina Mao that performed the wobbling analysis again this year according to the specifications of the SCRAP experiment. 


/The SCRAP Team


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