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RE: RE: starship-design: Pellet track


> Good point but a little misstated.  The specific impulse isn't related to the
> heat load.  And the question is what is the heat gain, and the wait of te
> cooling system.

Sorry, the poor takeoff wasn't intentional. I was just trying to draw attention 
to the fact that there would be some heat from the exhaust and just how much 
really needs to be addressed. Your (or Isaacs) introduction was all I had to 
start with.


                                                          (o o)
Two people are traveling in a balloon over a landscape unknown to them.

"Where are we?" one calls down to a passerby.

The passerby looks carefully at them and finally yells back, "You're on a 

"He must be a mathematician," says one of the travelers to the other.

"Why is that?"

"First, he thought awhile before answering. Second, his answer is 
absolutely precise. And third, it's utterly useless."