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Ignoring the major point that human tolerance of G forces is not the limiting factor on space travel, plenty of thought has been made on how to counteract G forces, not least by 60's scifi60s sci-fi writers.

You can find more information than you ever wanted at Projectrho on this topic.

The general gist: for lowish accelerations like 2 G, you don't need to do anything special to the human body, just make sure you're lying either prone or on your back, and remaining disciplined about your breathing.

For higher Gs, like 5G+, you need to carefully manage the human body, putting it in a gel-like coccooncocoon of similar density, and substituting air for a breathable liquid. Any differences in density can result in the denser parts of the body tending to 'settle' towards the back of the ship, and so must be avoided where possible.

Of course, such measures to counteract G forces can only ever be necessary with the use of nuclear or antimatter propellant. Chemical propellants do not burn for long enough to require such measures.

Ignoring the major point that human tolerance of G forces is not the limiting factor on space travel, plenty of thought has been made on how to counteract G forces, not least by 60's scifi writers.

You can find more information than you ever wanted at Projectrho on this topic.

The general gist: for lowish accelerations like 2 G, you don't need to do anything special to the human body, just make sure you're lying either prone or on your back, and remaining disciplined about your breathing.

For higher Gs, like 5G+, you need to carefully manage the human body, putting it in a gel-like coccoon of similar density, and substituting air for a breathable liquid. Any differences in density can result in the denser parts of the body tending to 'settle' towards the back of the ship, and so must be avoided where possible.

Of course, such measures to counteract G forces can only ever be necessary with the use of nuclear or antimatter propellant. Chemical propellants do not burn for long enough to require such measures.

Ignoring the major point that human tolerance of G forces is not the limiting factor on space travel, plenty of thought has been made on how to counteract G forces, not least by 60s sci-fi writers.

You can find more information than you ever wanted at Projectrho on this topic.

The general gist: for lowish accelerations like 2 G, you don't need to do anything special to the human body, just make sure you're lying either prone or on your back, and remaining disciplined about your breathing.

For higher Gs, like 5G+, you need to carefully manage the human body, putting it in a gel-like cocoon of similar density, and substituting air for a breathable liquid. Any differences in density can result in the denser parts of the body tending to 'settle' towards the back of the ship, and so must be avoided where possible.

Of course, such measures to counteract G forces can only ever be necessary with the use of nuclear or antimatter propellant. Chemical propellants do not burn for long enough to require such measures.

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source | link

Ignoring the major point that human tolerance of G forces is not the limiting factor on space travel, plenty of thought has been made on how to counteract G forces, not least by 60's scifi writers.

You can find more information than you ever wanted at Projectrho on this topic.

The general gist: for lowish accelerations like 2 G, you don't need to do anything special to the human body, just make sure you're lying either prone or on your back, and remaining disciplined about your breathing.

For higher Gs, like 5G+, you need to carefully manage the human body, putting it in a gel-like coccoon of similar density, and substituting air for a breathable liquid. Any differences in density can result in the denser parts of the body tending to 'settle' towards the back of the ship, and so must be avoided where possible.

Of course, such measures to counteract G forces can only ever be necessary with the use of nuclear or antimatter propellant. Chemical propellants do not burn for long enough to require such measures.