What kind of help with the instrumentation? From: vicente_alvero_14@xxxxxxxxxxx To: rickmaschek@xxxxxxxxxxxxxx Subject: RE: [SS2S-Main] Re: Interesting Motor-Design Documents Date: Thu, 16 Jan 2014 17:17:40 +0100 What kind of help with the instrumentation? Date: Thu, 16 Jan 2014 08:15:04 -0800 From: rickmaschek@xxxxxxxxxxxxxx Subject: Re: [SS2S-Main] Re: Interesting Motor-Design Documents To: vicente_alvero_14@xxxxxxxxxxx I already am building one for another sugar project, was going to suggest it for SS2S if it works. Rick From: vicente Alvero Zambrano <vicente_alvero_14@xxxxxxxxxxx> To: "sugarshot@xxxxxxxxxxxxx" <sugarshot@xxxxxxxxxxxxx> Sent: Thursday, January 16, 2014 8:10 AM Subject: [SS2S-Main] Re: Interesting Motor-Design Documents 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> >>> >>