A high quality parachute is necessary to safely bring the payload back to earth. The parachute should have a high enough drag coefficient to regulate the falling payload’s terminal velocity, but low enough where the apparatus doesn’t travel a longer distance than necessary.

Using this chart, we decided on a 42″ Spherachute. This company seems to be a reputable company that many HAB and rocket enthusiasts use. The product arrived quickly and they had great customer service.

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To connect the box with the chute and balloon, we are going to use braided paracord. We read that one group was able to minimize twisting of the box using braided cord.

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