Sky anchor
id:
sky-anchor-310-306712
title:
Sky anchor
text:
A sky anchor is a system of two balloons in tandem, with a "zero-pressure" lifting gas balloon tethered to a superpressure balloon "anchor". The gas balloon is filled with a lifting gas and provides the buoyancy, while the superpressure balloon is filled with air, and pressurized to provide the desired ballast weight. In a passive sky anchor, the superpressure balloon is sealed, while in an active system, its pressure can be varied. Both versions have been tested in flight, but have had frequent
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Sky_anchor
date created:
date modified:
2020-11-26T06:51:24Z
main entity:
{"identifier":"Q7537560","url":"https://www.wikidata.org/entity/Q7537560"}
image:
fields total:
13
integrity:
13