I think the problem here is that your using what is currently known about engineering and physics and are trying to impose those those same resrictions on the SW universe, that and you might not have red alot of the tech books for SW ships and didnt know the whole story from the get go Example of this was the bit about the shields having to be on and gemetrically changing. Lets face it with out that a ship trying to do that would destroy itself in our atmo.. They did a study couple years back they found more people like SW over ST but out of the two groups ST fans where alot more hard core about the ST lore than SW fans are about SW lore.
Any after reading what you said about Theoretical physics and such I realize you are just funing me so...
Shields don't have anything to do with it though, since TIEs can fly in atmosphere, and they don't have shields. Lets take the standard TIE Fighter as an example, since it has no shields.
Maximum acceleration is listed as 4,100G = 40,180 m/s^2, assuming earth gravity of g = 9.8m/s^2.
Lets assume, for the sake of argument, that a TIE Fighter is 1000 kg. I don't know what it is offhand, but that will get us within an order of magnitude.
The TIE's thrust on full acceleration would therefore be, using F = ma:
F = m*a = 1000 kg * 40,180 m/s^2 = 40,180,000 Newtons.
Grabbing some quick thrust numbers for reference from:
http://en.wikipedia.org/wiki/Thrust
The Space Shuttle has a thrust of around 30MN, and the F-16 has a thrust of 106kN.
Comparing the TIE Fighter to the F-16: The TIE Fighter has 380 times the thrust of an F-16, and weighs less than 1/8th as much as the F-16 empty weight.
Comparing the TIE Fighter to the Space Shuttle: The TIE Fighter has a third more thrust than the Space Shuttle, and weighs about 1/2000 of the Shuttle's loaded lift-off weight.
Either way, the TIE Fighter can only get to 1000 km/hr. Once it hits that speed, it can't accelerate anymore. So what, exactly is determining maximum speed in atmo? Clearly it's not terminal velocity. It's also clearly not structural integrity, because 4000G's of acceleration will put more stress on the airframe than cruising at 1000km/hr.
See the problem? I'm not saying I care, it's sci-fi, not reality. It was just an interesting observation that the physics is so far removed from reality that it's, well, egregious.
For bonus, consider a 1000 kg TIE Fighter that starts at a standstill and accelerates at 4,100G until it reaches it's maximum velocity.
- Calculate x(t) the distance traveled as a function of time.
- Plot the third derivative and explain its importance.
- Calculate the velocity of the Ion particle flow taking into account relativistic effects. Assume the mass of the particle flow being ejected per second is one millionth the initial mass of the spacecraft (1000 kg) = 1 gram / second.
I would give problems like these to my freshman class, so they could think about stuff in popular culture in engineering or physics terms. I did one example where they had to calculate the number of capacitors required to maintain a voltage on an electric fence for a specified amount of time, so you could guarantee that the velociraptors would stay inside even if external power went out.
P.S. I don't know what funing is. But I like your signature.