 -PocketLab Voyager recording temperature, acceleration, and magnetic field -SPOT backup tracker Worked well -ABLEGRID GSM Tracker Pinged once at launch and only started to ping again 30 seconds after it hit the ground -RunCam2 120-degree video camera, powered by a 2500mAh Li-ion (18650 cell) The lens iced up in the center at altitude and stopped recording just before burst. It started to record again once it hit the ground. Tim notes: "The cell had 35% charge left when I got home. Maybe it got too hot or maybe there is a hidden off timer. I will experiment." -Samsung Gear 360 Very good footage. It stopped recording just before burst., most likely due to dead battery. Its battery only has 90 min record time on the ground and was was dead at retrieval. -AP510 APRS tracker This tracker failed on the last flight and was very intermittent on the ground with 2017 code. It was back rev'd to 2016 code and all was well. AVOID 2017 CODE on the AP510! The tracker was configured to use Mic-E to create smaller messages. Tim notes: "My Baofeng tracked it to about 25k ft. But on landing the last relayed ping was at 2k ft." The payload and chute weighed in at 1050g. A 500g cell was filled with ~80 cu ft of Helium (dumped all of a 80 ct ft cylinder).   Launch !After launch, the payload spun about about 1 rev/s due to the fin affects of the 3D model attached to the arm.  Upon recovery the 20ft of cord was tangled into a 2ft mess above the payload. Almost all of the balloon, 490 grams came down with the payload. Tim has never seen anything that extreme before. The descent rate upon impact was +10m/s (2000ft/s). Thankfully there was no damage to anything -- just a small indent in the soft soil.   Flight visualization  |
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