[amsat-bb] Re: Path to HEO

[Robert McGwier]

What is the specific Impulse?

On Thursday, September 5, 2013, Samudra Haque wrote:

> Hello,
> Perhaps my recent work may stimulate discussion in this thread, though it
> has not been proven in Space yet, but ...
>
> my George Washington University MAE dept. micropropulsion subsystems for
> small spacecraft was highlighted in the September 3 issue of the School of
> Engineering and Applied Sciences newsletter. If you have the time, please
> see the following web video that shows the first ever firing of three
> simultaneous microthrusters. These subsystems were developed under Dr.
> Michael Keidar, and are products of the GWU  Micro-Propulsion and
> Nanotechnology Lab. It should play well in all web browsers, PC, Mac or
> Mobile.
>
>
> https://docs.google.com/file/d/0BzYYl-b0DOFWZ1U0RFBYdU93NW8/edit?usp=sharing
>
> Thrust range is 1-50 uNs (impulse-bits, variable, programmable) per
> channel. Different clustering/arraying/firing sequences possible. Available
> 2013. Looking for a ride to Space for qualification to higher TRL. We are
> at TRL5+ now.
>
> 73 de Samudra/N3RDX
>
> newsletter excerpt:
>
> *The Micro-propulsion and Nanotechnology Laboratory (MpNL),* led by* Prof.
> Michael Keidar (MAE), *participated in the 27th Annual AIAA/USU Conference
> on Small Satellites, held August 10-15 in Logan, UT.  *MAE doctoral student
> Samudra Haque p*resented dual operational prototype hardware examples of
> his research focus,* “Micro-Cathode Arc Thruster (µCAT) Subsystem for
> In-space Propulsion of Small Satellites,” *and explained to audiences its
> applicability for space missions and its technology readiness level for
> testing in the 2013 GWU/NASA Ames Research Center investigative project,
> “Micro-Cathode Arc Thruster PhoneSat Experiment.”
>
> *Micro-propulsion and Nanotechnology Laboratory (MpNL) *students have
> successfully completed, for the first time ever, a full integration and
> testing of a prototype 3-channel Micro-Cathode Arc Thruster (µCAT)
> subsystem at NASA Ames Research Center (ARC).  This was specifically
> engineered for the ARC Center Innovation Fund 2013 award project,
> “Micro-Cathode Arc Thruster PhoneSat Experiment.”  The project was intended
> to explore the viability of enabling the innovative Google Nexus
> SmartPhone-powered series of small spacecraft to have full attitude and
> orbit correction capabilities.  Three of these spacecraft were flown and
> operated in space in April 2013 onboard the Antares launcher by Orbital
> Sciences from Wallops Flight Facility, VA.
>
>
> On Fri, May 3, 2013 at 1:56 PM, M5AKA <m5aka at yahoo.co.uk <javascript:;>>
> wrote:
>
> > Can't remember if the links on the work of N1BCD were posted earlier:
> >
> > Video of presentation at
> > http://www.ustream.tv/recorded/22959312/highlight/267762
> >
> > Slides
> >
> >
> http://icubesat.files.wordpress.com/2012/06/icubesat-org-2012-c-1-1-_presentation_brandon_201205231623.pdf
> >
> > IARU Coordination
> > http://www.amsatuk.me.uk/iaru/formal_detail.php?serialnum=305
> >
> > 73 Trevor M5AKA
> >
> >
> >
> >
> >
> > _______________________________________________
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> _______________________________________________
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-- 
Bob McGwier
Owner and Technical Director, Allied Communication, LLC
Professor Virginia Tech
Senior Member IEEE, Facebook: N4HYBob, ARS: N4HY
Faculty Advisor Virginia Tech Amateur Radio Assn. (K4KDJ)