[SS2S-Main] Re: Changes to SS2S; Moving forward in our pursuit of reaching Space on the power of Sugar...

  • From: Jon Cherba <joncherba@xxxxxxxxx>
  • To: sugarshot@xxxxxxxxxxxxx
  • Date: Mon, 18 Aug 2014 10:16:50 -0500

With the un-predictable nature of sugar propellant I believe it would be in
the best for the project to go with staged motors...
On Aug 18, 2014 10:12 AM, "Richard Nakka" <richard.rocketry@xxxxxxxxx>
wrote:

> Mark,
> Your suggestion of using the OTRAG concept is an interesting one and
> may be the means to reach Space if a large diameter sugar motor proves
> to be non-feasible. We've had good success with our 3.5" (89mm) sugar
> motors, clustering these (with a 2 stage configuration) might work.
> On the downside, clustering has its challenges. For example, the
> potential for asymmetric thrust if not all motors burn with the same
> thrust profile...which can happen with sugar motors.
> Food for thought, anyway.
>
> Richard
>
> On Fri, Aug 15, 2014 at 6:25 PM, Redacted sender monsieurboo@xxxxxxx
> for DMARC <dmarc-noreply@xxxxxxxxxxxxx> wrote:
> > This might be the perfect time for us to blue-sky a bit.  We've fortified
> > our ranks with a crop of new team members in the last few years, and old
> > dogs like me who'd bought into the original innovative design concept may
> > still have a few fizzling neurons to contribute for the cause.
> >
> > An over-the-top example:  If truly massive sugar engines are proving too
> > structurally marginal, one possibility would be to resurrect OTRAG with a
> > "bundled" cluster of smaller engine modules.  Of course there's much
> more to
> > the OTRAG concept, and the math might not work with sugar propellant --
> > again, just an illustrative example.
> >
> > We have a great opportunity to throw open the creative floodgates again
> as
> > we try to make our dream a reality.  Who knows what we might come up
> with!
> >
> > Cheers,
> >
> > Mark L
> > DC
> >
> >
> >
>
>

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