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Reddit mentions of Spaceflight Dynamics: Third Edition

Sentiment score: 3
Reddit mentions: 4

We found 4 Reddit mentions of Spaceflight Dynamics: Third Edition. Here are the top ones.

Spaceflight Dynamics: Third Edition
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Found 4 comments on Spaceflight Dynamics: Third Edition:

u/scurvybill · 28 pointsr/educationalgifs

Definitely. For further reading, I recommend Wiesel's Spaceflight Dynamics.

It is much easier for a satellite to maintain its orientation if it is spinning. Otherwise, it starts to drift and point in different directions. Satellites must then be designed to spin on one of the two stable axes, because if it ends up on the intermediate axis it will wobble (and you lose your TV, cell phone connection, etc.).

What this usually means is distributing the mass of the internal components a certain way, or even adding ballast weights to set the moments of inertia as desired.

A pack of playing cards may be a simple rectangular prism, but even a complicated object like a satellite exhibits the same dynamic properties... it's just a lot tougher to figure out what the axes are.

Beyond stabilizing satellites, any maneuvering in space needs to take these concepts into account. A maneuver on the intermediate axis will be unstable. Spacecraft need to either compensate, or perform maneuvers on stable axes as much as possible.

P.S. I think they have to be designed to spin on one axis actually, but I can't remember if it's the minor or major axis. As energy slowly decays, the spin will gradually transition to one of the axes... but college was a long time ago.

u/TheJeizon · 5 pointsr/KerbalSpaceProgram

These were the 3 I picked up.

This one seems to be the most popular, probably because of it's publication timeframe, 1971. Not too early, not too late.

This is an earlier textbook and is considered a classic at this point. Still useful.

While less popular (and more expensive), I found this one to be my favorite. Hard to say why, some combination of layout, examples, and teaching style. The fact that it was also published in my lifetime, unlike the other 2, might have something to do with it as well in terms of language, etc.

But take /u/The_Mother_of_Robots advice and don't do it. This is a slippery slope thick atmosphere in a deep gravity well. There is no Lagrange point, just the abyss.

u/Im_in_timeout · 2 pointsr/KerbalAcademy

Sure!
This first one is the one I like the best:
Fundamentals of Astrodynamics
Spaceflight Dynamics: Third Edition
Introduction to Space Dynamics
They're all heavy on equations and there's a lot of overlap among them. I found the first one, Fundamentals of Astrodynamics, to be the most approachable.

u/angrywankenobi · 2 pointsr/KerbalAcademy

Spaceflight Dynamics by Wiesel has a section on optimal gravity turns if you're interested in the math. What it boils down to is you perform a very small angle turn as you leave the launchpad and then follow your prograde until you're in orbit. The math is in figuring out what that angle should be for your desired orbit. I read that book as a library loan, but I can look up my notes if you want more details.