Launch Picture and Video

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Launch Video

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Camera Field of View Test

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Image
Objective: To test which GoPro field of view if most optimal for the side camera to record the tray opening and closing. Gaining footage of the horizon is also a secondary goal. Method: GoPro Hero 3+ Silver, the camera that will be used for the sides, was mounted in its casing and payload box to simulate recording on the day of the flight. A previous model of the petri dish assembly will be positioned at various distances on the side. A ruler was used to measure the distance of the payload from the petri dish assembly to record different distance possibilities. The camera was recorded at 1080p and 60fps.   Camera mounted into the new, lightweight casing.  Using a standard ruler to measure distance. Below is a diagram of all the possible frames of second and fields of view for each resolution within GoPro Hero 3+ Black, the camera that will be used for the top.  It has been determined for the side camera to record at 60fps at 1080p, in which t...
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Tuesday, July 31

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Zachary touched up the poster, Ian finalized the abstract, and Sadik is trying to graph the test flight data. We also measured the parachute-to-balloon cord and the parachute-to-package cord, which were 37' and 29' 4", respectively. In the meantime, the biologists took our remaining 5 Petri dishes to sterilize them and add agar for the launch. This leaves us with one Petri dish for testing. Yesterday, we finished rendering the payload in Fusion 360. This included two Petri dish assemblies, two Spot GPS holders, one APRS holder, one battery holder with two batteries and three camera casings (two in the box, one in the lid). The circuit board has not been included yet; we're still waiting for the digital pressure sensor and thermistor.
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Week 4, Tuesday

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General We are going over what we need for the tethered flight, namely what we have and what we need. We also discussed what we are doing for "phase 2" of the HAB Project: launching hobby rockets from a high altitude balloon. CAD The second lid has been printed but needed to be sanded down. Otherwise, the second lid weighs the same as the first: 0.25 lbs. We are also printed both of the gears today. Unlike the prototype assembly, the new gears can be back-driven without neither them nor the lid slipping. However, the motors by themselves could not provide enough torque to retract and extend the lid. This was remedied by overvolting them. Circuits We are continuing to test logging the data from the sensors. Cameras We have conducted another experiment with the cameras and compiled a report: https://bergenballoon.blogspot.com/2019/06/camera-test-in-sun.html
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