Questions tagged [design-alternative]

Questions about alternative designs the asker has thought of, such as "why was X built this way and not this way"

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-1 votes
1 answer
262 views

Could this satellite wobble in orbit creating additional orbital angular momentum?

This question asks if this type of steam engine would work: Could a steam Engine outperform other electric producing devices in space? this not a sterling engine since it has far less moving parts. ...
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-2 votes
3 answers
303 views

Why fly to the moon when you can fly away?

I am not a NASA employee or a scientist, but why do we fly to the moon when it looks easier to fly away from it and wait for it to approach the craft. Then put something permanently in a polar orbit ...
-2 votes
1 answer
81 views

stage 2 possible hollow cylinder design

I was watching this video from Everyday Astronaut: In the video, it highlights why Stage 2 landing is considerably more difficult than stage 1 landing. There is a 1:...
-2 votes
1 answer
283 views

Could a rocket launch off water horizontally in stages us using water and air for lift to save fuel? [duplicate]

A term I have heard is the "water was like class". Meaning that the water had 0 waves. Could a rocket be modified to take off a horizontal surface starting slowly increasing throttle on each stage? ...
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-2 votes
2 answers
151 views

Can we just throw a satellite in to mars orbit with a very high spin?

I am thinking about this scenario of throwing a satellite to Mars orbit with a high spin, Can we just throw that? one hypothesis can be that high-frequency spinning generates apparent gravity so it ...
-2 votes
3 answers
167 views

Would the trajectory of a comet be altered by attaching a parachute to it?

I am curious to know if the trajectory of a comet that is on a collision course for Earth could be altered by simply attaching a parachute to it. The parachute interacting with the comet's tail should ...
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-3 votes
3 answers
209 views

Using Venus' Atmosphere to Cool the Earth [closed]

The Starfish Prime nuclear test on July 9, 1962 caused massive fluctuations and degradation of the Earth's magnetic field. This field is largely responsible for redirecting the Sun's solar radiation. ...
-3 votes
3 answers
260 views

energy needed to accelerate in space

I was thinking about possibility of cargo transport between, say, earth and mars when a “pusher” accelerates propulsion-less cargo vessel, which is catched and decelerated at the other end of ...
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-3 votes
1 answer
153 views

A question about the feasibility of the Casimir propulsion system [closed]

There is a connection between vacuum energy density and the Casimir effect , see : https://arxiv.org/abs/quant-ph/0204125 Another reference can be found here: https://aapt.scitation.org/doi/10.1119/...
-4 votes
1 answer
158 views

Could using magnetism principles aid us in achieve near speed of light travel

Could a vehicle with ferrous properties be passed threw a hollow tube, that had coils spaced out in intervals, and which produced strong magnetic field in the vacuum of space, create speeds close to ...
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-4 votes
0 answers
103 views

Which Rocket engine thicknesss is unacceptable [closed]

I wanted to know what rocket engine bell nozzle thickness, affects the rocket engines performance because i believe cooling systems and engine will be easier manufacture and the engine bell will have ...
-5 votes
1 answer
359 views

Magnetic force-driven propulsion system for an interplanetary/interstellar spacecraft

I have come up with a conceptual idea of a magnetic force-driven space propulsion system. What I believe is very unique about this propulsion system concept is that its working principle should not ...
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