[SS2S-Main] Re: Interesting Motor-Design Documents

  • From: vicente Alvero Zambrano <vicente_alvero_14@xxxxxxxxxxx>
  • To: "sugarshot@xxxxxxxxxxxxx" <sugarshot@xxxxxxxxxxxxx>
  • Date: Thu, 16 Jan 2014 17:10:01 +0100

that would be great, why not try.?

> Date: Thu, 16 Jan 2014 09:54:39 -0600
> Subject: [SS2S-Main] Re: Interesting Motor-Design Documents
> From: richard.rocketry@xxxxxxxxx
> To: sugarshot@xxxxxxxxxxxxx
> 
> Interesting suggestion, Jeff. I am not aware of any sugar motor that
> has ever used an aerospike nozzle.
> 
> As Bill pointed out, the fact that a large percentage of the exhaust
> is condensed phase (44%, to be exact), may result in reduced
> performance compared to a regular nozzle. But might be worth
> investigating. Perhaps some testing can be done with the new
> experimental VIC-2 motor...which is intended for "miscellaneous" type
> experimentation.
> 
> Richard
> 
> On Wed, Jan 15, 2014 at 8:10 PM, Jeff Moore <tnetcenter@xxxxxxxxx> wrote:
> >
> > I'm wondering if any consideration has been given to the use of aerospike
> > nozzles in our endeavors?   Seems to me that there is a significant
> > performance bump using this nozzle design as well as a significant reduction
> > of base drag.  I doubt if anyone has used an aerospike nozzle on a sugar
> > motor either - we'd be breaking new ground!
> >
> > Might be worthwhile to take a closer look at!
> >
> > Jeff Moore
> > Bend, Oregon
> >
> > On Wed, Jan 15, 2014 at 3:24 AM, <monsieurboo@xxxxxxx> wrote:
> >>
> >> After reading that superb report of the latest static test, it seemed
> >> appropriate to cross-post this link that just showed up on the arocket 
> >> list.
> >> Great single-page source for some document downloads on issues that are
> >> quite topical for our current phase of development and testing.
> >>
> >> http://www.rasaero.com/dl_solid_motor.htm
> >>
> >> My intent in posting this is not in the least to be critical.  Au
> >> contraire, I have nothing but kudos for our testing program and team.  This
> >> is just some very interesting reading that's worth saving in a MOTOR_DESIGN
> >> folder somewhere in a hard disk archive.
> >>
> >> "Departures from Ideal Performance", for example, seems relevant to our
> >> quest of trying to maximize the performance of our <cough> inherently
> >> mediocre fuel <cough, cough, grin>
> >>
> >> Enjoy!
> >> Mark L.
> >> DC
> >>
> >
> 
                                          

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