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Questions tagged [gimbaled-engines]

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3
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1answer
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How much mass does a gimbal mechanism add to a rocket?

After reading the question Did any rockets use differential throttling instead of gimbal? I wonder what the additional mass of a gimbal system is. How would the mass of a launch vehicle change if the ...
4
votes
1answer
50 views

Actuators for gimbaling of engine in rockets and launch vehicles

For controlling the rockets to stay on course, continuous engine control is require which is done by using gimbal actuators. What type of gimbal actuators have been used on SSME, Rocketlab's ...
0
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0answers
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Gimballing angle consider for liquid rocket engines [duplicate]

I went through the documents for gimbaling of liquid rocket engines and saw that there is about 20 degrees per second of gimbaling rate (in comments). But I am not able to get, what is the maximum ...
2
votes
1answer
179 views

What is the highest gimbal range ever used on an engine?

This answer here mentions the STS-94's ability to gimbal up to 20 degrees in all directions, that got me thinking, what exactly is the maximum ever feasibly implemented? I've seen a lot of information ...
4
votes
1answer
128 views

How common is the ability to compensate for a lost engine through gimbaling?

Discussing a system of regulating thrust through lighting/extinguishing engine pairs, I was met with a reply: Really there is no need to treat engines as a pair in this context. In fact, ...
4
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0answers
36 views

Have any vehicles used asymmetrically variable thrust for active stabilisation? [duplicate]

Have there been any tests or attempts at developing a propulsion system that uses variable thrust for attitude control (particularly during launch)? Conventional systems often use fully gimballed ...
-3
votes
1answer
132 views

Merlin 1D Engine [closed]

How does the Merlin engine work? How does it's working compare to the working of SuperDraco engine? To be more specific, What features of Merlin make it unique and more efficient than other rocket ...
3
votes
2answers
529 views

How are rockets gimballed to produce a gravity turn for the space shuttle?

I'm trying to simulate a gravity turn using a gimbaled thruster. I'm using the dynamical system described in a previous post of mine to execute a gravity turn by changing the angle $\phi_T$ between ...
4
votes
3answers
321 views

How can a deep-space spacecraft determine in real time the direction of delta-v?

My spacecraft knows it wants to add a certain delta-v in a certain direction to its motion, relative to the stars. It will calculate current mass based on propellant usage history, which hasn't been ...
3
votes
3answers
514 views

Is it pretty much a given that all deep-space spacecraft have gimbaled engines?

I'm starting to see a pattern. Both this answer about Cassini liquid propellant engine and this answer about ion thrusters discuss a particular necessity for gimbaling engines to keep thrust aligned ...