this post was submitted on 03 Sep 2024
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[–] [email protected] 2 points 2 months ago* (last edited 2 months ago) (1 children)

Sail absorbs power while also acting as a sail, and you can use the lasers to steer?

It would also be like steering a boat more or less no?

[–] [email protected] 0 points 2 months ago

The solar sail reflects light instead of absorbing it so you get to double dip on photon momentum.

And sure, you can steer with the laser I suppose, but with that kind of super weak deltaV, you’re not going to be exactly doing donuts in the solar system.

Even the massive solar sail only imparts a super small amount of force. It’s only useful because it does so for free over a long period of time with no air resistance.

You’d be better off using a conventional thruster to do whatever steering you needed to do before letting the sail take over. It’s not like you need to steer around any obstacles.