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1/6/2015 1:09:11 PM
18
Because if you didn't slow down then you would crash into the planner your flying towards.
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There is no air in space. So there wouldn't be any turbulence to catch the back of the ship to cause it to fishtail.
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Yeah but it's a game. The fishtail exaggerates the slowing momentum to make it clear. First you need to ask the question: how does it slow down?
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Why wouldn't they just do forward facing retro-rockets?
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That's an example of a reaction engine. If the forward facing engine is on the front then the front will push back as the back is still pushing forward. This will cause it to fishtail or crumple depending on the deceleration.
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If the forward facing reaction engine is on the back then it would act more like a bungee chord and once again at high speeds it would stretch the ship and shatter it.
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I understand why it's in there. It's still dumb though.
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Editado por worried uriel: 1/6/2015 1:33:38 PMIf it slows down by means of a reaction engine on the front then the front will relatively push back compared to the speed of the rear. This will force the back to push itself up or down until the force reaches equilibrium again.
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You are traveling in a perfectly straight line. An engine on the front would only slow it down, not tumble. The tumble would have to be caused by multiple thrusters on the front of the ship firing at different intervals. There is no evidence of that. On earth however, a tumble mid flight is caused by air pushing and pulling on different parts of an aircraft.
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If the back is moving faster than the front by a significant speed something has to give. It either tumbles or crumples.
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No, there is no gravity. The inertia is not relative to the physics on land based vehicles because key components such as drag and gravity do not play a role in speed. 1000 mph would not feel or be the same in space vs land. Driving 1k mph on land would rip you out of a car due to friction from the surrounding atmosphere (if you could go that fast), but doing the same speed in space, you wouldn't know the difference because there is nothing to push or pull on the hull of the ship.
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The ship is releasing matter and energy though the forward engines pushing against itself to slow down basically.
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In order to slow down in space you need to create an opposing force as naturally there is no resistance. This opposing force only acts initially where it is first applied. This implies a negative force on the front assuming that's where the forward facing engines are. So the front takes a sudden dip in speed however it takes a split second for this force to act everywhere on the ship so during that initial time period the back is still moving at full speed. This causes the back to momentarily try to push past the front and overtake it. This can only happen however by the back being forced around the front by fishtailing or by crumpling. And I'm assuming the ship is sturdy enough not to break so therefore the back tried to pull itself around the ship for that split second.
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I don't see another way for it to slow down either as there is no resistive forces so any force must then come from something the ship does or emits.
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Just lazy design in my opinion.
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How would you propose the brake works then?
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Rockets firing in retrograde.
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[quote]In order to slow down in space you need to create an opposing force as naturally there is no resistance. This opposing force only acts initially where it is first applied. This implies a negative force on the front assuming that's where the forward facing engines are. So the front takes a sudden dip in speed however it takes a split second for this force to act everywhere on the ship so during that initial time period the back is still moving at full speed. This causes the back to momentarily try to push past the front and overtake it. This can only happen however by the back being forced around the front by fishtailing or by crumpling. And I'm assuming the ship is sturdy enough not to break so therefore the back tried to pull itself around the ship for that split second.[/quote]
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I get you could say... That would worry you ( ͡° ͜ʖ ͡°)
