Questions tagged [center-of-gravity]
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6
questions
1
vote
1answer
100 views
How would an SSTO adapt to various payloads?
Yet another kerbal question here.
Background: I've built many SSTOs before, mainly small, light-payload or crew delivery ones (either boosted by a rocket or by itself). The reason why I've been shying ...
3
votes
1answer
324 views
Calculate rocket centre of mass
I wish to calculate the centre of mass of a two stage rocket, for example the Falcon 9. Since the mass of the rocket is constantly changing (first the mass of the first stage is depleting, then the ...
1
vote
1answer
757 views
Which components do we calculate for center of pressure? Where is the distance of components while computing the cp and cg of a rocket?
everybody!
I have 4 questions about center or pressure (cp) and center of gravity (cg) of a rocket system.
Questions
1) While computing the center of pressure of rocket system, which components do ...
-5
votes
1answer
194 views
Can a reaction wheel decelerate to add momentum in the same direction? [closed]
Can a reaction wheel shed weight to gain speed?
Could a reaction wheel at its max spin be flipped or rearranged around 180 degrees then slowed to add to its velocity?
8
votes
3answers
1k views
How is the CG of rocket found after the complete assembly
Using CAD modeling, the center of gravity of a rocket can be easily predicted. But in reality, after the assembly, the CG will not be exactly at the place given by the model because of difference in ...
2
votes
1answer
369 views
Center of gravity calculation for any rocket or launch vehicle
I understand that the the center of gravity can be calculated by making a 3D model of the rocket or launch vehicle when it is completely filled and stationary.
But in case of continuous ascent (i.e. ...