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Re: starship-design: Proton-Lithium Fusion Drive

For all the people who can't read stupid attached files.
Johnny Thunderbird wrote:
>    p + 7.Li --> 2 (4.He) + 17.3 ev
>    Having been a longtime advocate of proton-beryllium fusion
> reaction as a spaceship drive, when I heard of the
> proton-lithium cycle I immediately converted because of the
> universal abundance of lithium compared to beryllium. Both
> these cycles have the insuperable advantage of not yielding
> neutrons, as do other fusion cycles, making them clean and not
> dirty. My proposal for a compact space drive includes a lithium
> electric arc centered between cyclotron dees, to project
> lithium ions through gaseous hydrogen, as the basis for a
> fusion drive. Lithium is not as abundant as hydrogen, which
> suggests it should be the accelerated species, that a higher
> proportion of it might be involved in fusion reactions. The
> ideal material for a combustion chamber would be 12.C isotopic
> CVD (chemical vapor deposition) diamond deposited over cooling
> channels through which liquid hydrogen circulates; no solid
> material conducts heat better than diamond made of carbon-12,
> nor does any element carry heat away faster than hydrogen,
> superfluid helium III excepted, for which cryogenic
> requirements are too strict for use in engines. Diamond can be
> used only because there are no oxidizing conditions present,
> and under reducing conditions diamond will serve as a fair
> refractory, so long as its temperature can be kept below its
> sublimation point. As with any rocket drive, I would wrap a
> superconducting coil around the exit jet, for the
> magnetoplasmadynamic benefits.
>    Johnny Thunderbird

To all would be fusion drive designers - it looks good on paper
can we build it? Check here for answers. http://fusor.blogspot.com/
The speed of dark. Some interesting new ideas on light from autodynamics
make change space propulsion.
"We do not inherit our time on this planet from our parents...
 We borrow it from our children."
"Luna family of Octal Computers" http://www.jetnet.ab.ca/users/bfranchuk