| SSI-97 | ||||
|---|---|---|---|---|
| Designations | CY-8 | |||
| Launch date | November 17, 2019 | |||
| Launch site | Brigantino Park, Hollister, CA | |||
| Launch coordinates | 36.849, -121.433 | |||
| Flight profile | Ground tests | |||
| ||||
SSI-97 (project designation CY-8) was the seventh launch of Project Cycloon on November 17, 2019. Not a true launch, it was instead a series of ground tests of various properties of polyethylene tubing envelopes and the newly designed Cycloon vent mechanism. It was also the first return of Cycloon to Pigeon Point since the first launch.
Project context
Configuration
Balloon: 0.8 mil polyethylene tubing, various topologies, width 2.5 m, various lengths and volumes. PVC of length approximately 12 inches and diameter 1/2 inch, as usual.
Avionics: Teensy 3.2 transmitting at adjustable intervals over Rockblock. Vent control.
Power: 3 L91 lithium AA batteries.
Vent: Cycloon zero-pressure
Payload: Half valbal-style polycarbonate cylinder within styrofoam enclosure. Mass 1.25 kg including ballast.
Mass budget: Various
Flight synopsis
Since this was a series of ground tests, no flight synopsis is available. Please see the test report in the Cycloon Google Drive.
| Balloon Launches | |
|---|---|
| 2014-15 | SSI-19 • 20 • 21 • 22 |
| 2015-16 | SSI-23(a) • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 |
| 2016-17 | 44 • 45 • 46 • 47 • 48 • 49 • 50 • 51 • 52 |
| 2017-18 | |
| 2018-19 | 83 • 86 • 87 • 90 • 91 |
| 2019-20 | 92 • 93 • 97 |
| V • E | |