On Wed, 2003-11-05 at 01:22, John Carmack wrote:
> It looks like Solvay ultra-pure semiconductor grade peroxide is completely
> unstabilized, and at least as good a spec as rocket grade peroxide. We
> should be testing some 50% next week, and if it works out, I am going to
> buy many tons of it. I will report pricing.
>
> This may be useful for concentrator work, removing the need for purification.
I priced it in drum lots when I purchased 50% peroxide for ERPS from
our local Solvay dealer. I do not remember the exact price I was quoted,
but it was in the neighborhood of $2/lb, versus $0.35/lb for the food
grade we actually purchased.
> We are making very good progress with the engines now, isolating the
> important bits and reducing the manufacturing work. After over six months
> of development, I think we have just about got it.
Congratulations!
-p
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