Saturday, August 30, 2014

VOLUME II: INTERPLANETARY Table of Contents

Interplanetary flights will become routine
(much like airline travel today)
because travel time will become reasonable.







Furthermore, spacecraft will maintain comfortable Earthlike conditions (gravity, atmosphere, comfortable billets, entertainment, etc) throughout the flight.
Consider Einstein's thought experiment about an accelerating elevator. If the elevator accelerates at same rate as free falling objects near Earth's surface, then occupants will feel same g-force as if they're static on Earth's surface. (Einstein called this "equivalence".)
Instead of Einstein's elevator, our thought experiment notionalizes a high performance spaceship to accelerate at rate, g, to produce gravity like force (g-force). A g-force trip to nearby planets will take days or weeks (orbiting vehicles now take years). We speculate that g-force propulsion can be accomplished with well known science and slight advances in current technology.

Volume II: INTERPLANETARY
1. ACCELERATE FOR A DAY: Consider Einstein's famous "Thought Experiment" which states an equivalence between being static on Earth's surface or accelerating at 1 g through space.
2.ACCELERATE TO THE PLANETS: in days; G-force acceleration greatly increases ship's velocity. However, the ship must SLOWDOWN throughout the second half of the flight.
3.MOMENTUM MAKES IT HAPPEN: High speed exhaust particles approach light speed; thus, their relativistic mass gain further increases momentum to further enhance propulsion.
4.MASS TO MOTION: On board particle accelerators can drive exhaust particles with enormous momentum to drive spaceships. Express fuel consumption as % initial gross weight per day.
5.PUSH PARTICLES TO INTERPLANETARY. Particle exhaust speeds from .1c to .5c will transport people, cargo and habitats to nearby planets inside the Kuiper Belt (KB).
6.BEST OF BREED ION DRIVE:  VASIMR.  Prime example of current "Ion Thruster", technology is Dr. Chang-Diaz's Variable Specific Impulse Magneto-plasma Rocket (VASIMR).
7.PROFILE TO THE PLANETS: G-force can propel vessel in straight line to destination. However, flight profile must be carefully planned and executed. 
8.G-FORCE TO MARS: Water can get us to our red neighbor quickly. Thought experiment assumes water as the source of plasma particles for the propulsion system of the g-force spaceship. 
9.FINITE FUEL: Consider "g-force" propulsion, specified quantity of charged particles exit aft at near light speeds. At a given consumption rate, logarithms can approximate vessel's range.
10.ACCELERATORS IN SPACE: Let particle accelerators propel g-force vessels.
11. G-FORCE ELEVATORS: BEAM ME UP quickly move pax/cargo from Earth's Equator to Geographic Equatorial Orbit (GEO) Node without the absurdly long tether.
12.TO URANUS.. Why go?? Helium-3, an isotope of Helium, can produce cheaper, cleaner fuel for onboard power needs for space faring enterprises. He-3 is plentiful on the Gas Giants; with the lowest escape velocity, mining HE-3 from Uranus might prove fruitful.
13.KEEPERS FROM KUIPER Space communities will eventually depend on raw materials from space. Kuiper Belt has plenty.
14.SUPER G-FORCE Can interplanetary cargo travel quicker than passengers at g-force?
YES!!!!  Less time requires more fuel, but it may be worth it.
15.EXTRAPLANETARY: Prep for the Stars. Transition to interstellar. Eventually, interplanetary flights will become routine. When they do, the practicality of interstellar flights will become imminent.




VOLUME 0: ELEVATIONAL
VOLUME I: ASTEROIDAL
VOLUME II: INTERPLANETARY
VOLUME III: INTERSTELLAR




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