Re: Skylon SSTO

Ian Woollard wrote:

Fred J. McCall wrote:

Plus, once you put the cells in space you are going to have to be
continually replacing them due to radiation degradation.


Turns out not to be a big issue. When I spreadsheeted this, the payback on investment was only 2-3 years. Solar cells last longer than that on orbit, and the rest is almost all clear profit. So you can afford to keep launching.

Payback on investment in 2 to 3 years?

Perhaps you should make your analysis available for scrutiny.

Sylvia.
.

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