Today, we decided to measure the elasticity of the shock cords for the drogue and main parachutes. The shock cord needs to be able hold the weight of the rocket under the parachute. When the drogue parachute, which slows our rocket down but not so much that it drifts, opens, it must suddenly carry the weight of the rocket. After the main parachutes open, allowing the rocket to land safely, an even greater weight must be supported. For this reason, both shock cords must be able to hold a large weight.
Main Chute Shock Cord
Drogue Chute Shock Cord
Elongation of All Three
This blog will be updated once a week over the course of the 2018-2019 school year, detailing our progress. It will be signed at the end by a member of the team.