Re: How big would an SSTO be?

BradGuth wrote:
On Jul 7, 4:33 pm, Sylvia Else <syl...@xxxxxxxxxxxxxxxxxxx> wrote:
Monte Davis wrote:
Sylvia Else <syl...@xxxxxxxxxxxxxxxxxxx> wrote:
The market is still presumably price elastic. More people would put up
satellites if it cost less, which it would if the market size increased.
It's wonderful how space fans grasp this part of price elasticity, but
not the rest of the concept... like interrupting a "good news, bad
news" joke halfway through.
If price elasticity is to drive positive feedback, the increase in
volume has to return not just more money, but *more than it cost you
to provide* the added capability -- whether you provide it via better
technology, economies of scale, leaner operations, or any combination
of those and other factors. Angel investors like Allen, Bezos, Branson
and Musk (who take some ROI in the form of personal satisfaction and
PR) can only carry you so far.
Thankyou for the enlightenment, though I was kind of aware of it already.

What's your estimate of the marginal capacity cost on Skylon?

Sylvia.- Hide quoted text -

- Show quoted text -

What's so terribly wrong with your Skylon accomplishing 6.5 tonnes to
LEO?

Nothing intrinsically, but it's not what Reaction Engines predict will be the payload to LEO. You seem to have pulled the figure out of a hat, and now regard it as fact.

Either way, what does that have to do with price elasticity and marginal capacity cost?

Sylvia.
.

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