I have heard that with time dilation and a 1G acceleration the galaxy opens up and going anywhere is feasible although by the time you get there the earth may be populated by Apes ;)
Of course I don't believe that C is the speed limit but whatever... On Wed, Nov 4, 2009 at 1:01 PM, Horace Heffner <hheff...@mtaonline.net>wrote: > Just another point of view follows. > > Using 54,500,000 km as the shortest distance to Mars, see: > > http://wiki.answers.com/Q/What_is_the_shortest_distance_from_earth_to_mars > > http://tinyurl.com/ygtgsqw > > a ship would have to accelerate half the distance, 27.25 million km and > decelerate the other half. Assuming acceleration is 1g and ignoring > relatively small adjustments due to the 17.5 km/s difference in earth vs > Mars speed, we have: > > d = (1/2) g t^2 > > t = (2 d/g)^0.5 = (2 * 27.25x10^6 km/g)^0.5 = 7.45548x10^4 s > > to go half way, and thus 1.491x10^5 s to go the full distance, or about 42 > hours. Peak velocity Pv would be about: > > Pv = g t = 1.462x10^6 m/s, or 1,462 km/s, or about 3.27 million miles an > hour. > > The model by which the device is said to work looks bogus. I think if they > knew why and how it actually works they could produce a much better W/a > ratio. The device applies force to vacuum elements. Their theory predicts > a change in acceleration with velocity. I think this is nonsense. Either the > device doesn't work at all in space or its thrust, as perceived by the > occupants, does not vary with velocity. > > A 1 g device should be able to accelerate right on beyond c, and thus go > anywhere in the universe. The occupants would feel the 1 g acceleration > though, and that is a good thing. > > The time to light speed T2 at 1 g is: > > T2 = c/g = 3.057x10^7 s = 0.968735 years = about 11 months 20 days > > I have no idea what this might mean in terms of what would happen if they > should hit some atoms along the way though, as the atom apparent mass might > be infinite. Also, the mass presented to the incoming atoms would be > infinite. A practical case of the irresistible force and the immovable > object paradox? > > > Best regards, > > Horace Heffner > http://www.mtaonline.net/~hheffner/ > > > > >
