Solar Sails in the Electric Universe

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Solar Sails in the Electric Universe

Unread postby allynh » Tue Feb 27, 2018 12:44 am

I was talking about solar sails and the problems that full size sails would have with the electricity in space, and someone mentioned IKAROS. So I looked it up. Yikes!

Wiki - IKAROS
IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun) is a Japan Aerospace Exploration Agency (JAXA) experimental spacecraft. The spacecraft was launched on 21 May 2010, aboard an H-IIA rocket, together with the Akatsuki (Venus Climate Orbiter) probe and four other small spacecraft. IKAROS is the first spacecraft to successfully demonstrate solar sail technology in interplanetary space.[3][6]

On 8 December 2010, IKAROS passed by Venus at about 80,800 km (50,200 mi) distance, completing the planned mission successfully, and entered its extended operation phase.

IKAROS
https://www.youtube.com/watch?v=wUSjggdG9KU

IKAROS II
https://www.youtube.com/watch?v=UZwnMjmJdPk

Then they mentioned a future system called HELIOS that is deeply disturbing. Watching the video and reading the pdf I can see a ton of failure modes, but I want to see it spin. I want to see how it fails. HA!

NASA / JPL HELIOS* solar sail (animated/CGI video)
https://www.youtube.com/watch?v=HTyHejIpNGg

Heliogyro Solar Sail Research at NASA - 20130014933
https://ntrs.nasa.gov/archive/nasa/casi ... 014933.pdf

I did a google search on the Forum and did not find a solar sail thread. I think that it's time to start one, and keep track of future flights.

The TEAM might start looking at what may happen to solar sails that are scaled up to carry a payload like the Galileo probe, at two tons. I suspect that it will end in tears.

But, I want to see it spin. I want to see how it will fail. HA!
allynh
 
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