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Originally Posted by Gardamorg
The Star Destroyers travel at up to the speed of light due to their ‘Microwave Thrusters’
Inside of their Microwave Thrusters are two microwave transmitters connected to the inside dome of the thrusters by 12 inch thick man made spider webs.
These Micro wave Transmitters heat the top of the thrusters to 2000 Kelvin, and there are two thrusters, so all and all the thrusters get heated to 4000 Kelvin, and exert a force of 200 G’s. |
4000° K works out to an exhaust velocity of about 110,000 m/s. Using this exhaust velocity and the relativistic rocket equation, it works out that you would need more reaction mass than exists in the entire visible universe(by many many times) to reach 99% of the speed of light.
The 200 g figure seems to be just made up.
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To stop the transmitters from slowing the craft to a stand still, they are being pushed by ion thrusters on the bottom; these Ion Thrusters constantly emit an equal amount of ions.
The thrusters exert a force of 1,960 Joules.
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Joules are a measure of energy, not force
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The Star Destroyer weighs in at 40,000 tons. Now to find out the speed, 1,960 joules x 36,280,000 kilograms=72,108,800 x C Squared/1,199,169,832 Metres Per Second=80,000,000,000,000,000
The Square root of 80,000,000,000,000,000 is 282,842,712.
The Super Star Destroyer travels at approximately 282,842,712 metres per second, which is almost exactly as fast as the speed of light, about 99% of the speed of light.
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The above is completely wrong. You can get a quick estimate of how fast it would move by using the classical kinetic energy formula:
E= mv²/2
We know the energy, E and the mass of the Ship, M so we re-arrange the formula to find v, which gives us:
sqrt(2E/m) = sqrt(2*1920j/36.280,000kg) =0.01 m/s, or about 0.036 km/hr, not even as fast as a slow walk! let alone a large fraction of light speed. (And since the speed is so slow, we don't have to refine our answer by uisng the relativistic formula, as it only varies significantly from the classical one at high fraction of the speed of light.
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That’s when the Crew decides to make the jump to lightspeed, other wise, the Star Destroyer is barely moving at all.
The only reasonable fuel source for this Giant God of star ships would be a fully feasible and efficient giant fusion reactor built in the Star Destroyer, plus thousands of solar panels on it, PLUS some Helium 3 AND Hafnium brought from Earth and the Moon.
Long story short, this COULD be possible within 500 years.
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Shorter story: Not possible at all as envisoned.
