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420chan is Getting Overhauled - Changelog/Bug Report/Request Thread (Updated July 26)

So.. flying saucers are a thing.

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- Sat, 13 Dec 2014 17:35:25 EST eMAv2J9C No.54813
File: 1418510125360.png -(157180B / 153.50KB, 902x770) Thumbnail displayed, click image for full size. So.. flying saucers are a thing.
https://www.youtube.com/watch?v=LAdj6vpYppA
and they're powered by laser beams.

"with 2 to 6 better fuel efficiency to the space shuttle"

Just..watch the whole thing, holy shit.
>>
Johann Encke - Sat, 13 Dec 2014 18:58:03 EST ksAXy5yQ No.54814 Reply
>>54813
This video is ancient.

Also, I've known this for a long time, they run on the same concept as a solar sail.

The object in OP's pic is about the size of a dinner plate.
>>
William Huggins - Sun, 14 Dec 2014 13:32:16 EST 5O93DDXg No.54818 Reply
>>54814
scale testing or not I want to see the results on the full sized model. Launching a bit of mass isn't hard. But launching the larger mass of a fully space ready rocket is another issue.
>>
Joseph Taylor Jr. - Sun, 14 Dec 2014 14:43:36 EST eMAv2J9C No.54819 Reply
1 year later (scaled up model)
https://www.youtube.com/watch?v=5_9ac-w4DW8

Apparently this is considered a "Lightcraft" and it's distinct from solar sails because it's dependent on the expansion of reaction mass to accelerate rather than being accelerated by light pressure alone.

not a lot of news on this, probably not a feasible project to "launch satellites into orbit within 10 years"

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