Difference between revisions of "Building"

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# @TheTraveller<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1370597#msg1370597 Forum post by @TheTraveller]</ref>
 
# @TheTraveller<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1370597#msg1370597 Forum post by @TheTraveller]</ref>
 
# [[Iulian Berca|@Iulian Berca]]<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1371164#msg1371164 Forum post by @Iulian Berca]</ref> - Fabricated a drive in May 2015 and was posting videos at [http://www.masinaelectrica.com/emdrive-independent-test/ his website].  In [https://www.youtube.com/watch?v=Rbf7735o3hQ Test 3] he reported a force measurement toward "the small end" and later a smaller measurement in the [https://www.youtube.com/watch?v=KAMttfMC8PI reverse orientation in test 3.1].  As of 5/21/15 the magnitude and significance of these measurements were being debated on the [http://forum.nasaspaceflight.com/index.php?topic=36313.msg1377695#msg1377695 NSF forum].
 
# [[Iulian Berca|@Iulian Berca]]<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1371164#msg1371164 Forum post by @Iulian Berca]</ref> - Fabricated a drive in May 2015 and was posting videos at [http://www.masinaelectrica.com/emdrive-independent-test/ his website].  In [https://www.youtube.com/watch?v=Rbf7735o3hQ Test 3] he reported a force measurement toward "the small end" and later a smaller measurement in the [https://www.youtube.com/watch?v=KAMttfMC8PI reverse orientation in test 3.1].  As of 5/21/15 the magnitude and significance of these measurements were being debated on the [http://forum.nasaspaceflight.com/index.php?topic=36313.msg1377695#msg1377695 NSF forum].
# @SeeShells plans to build a hexagonal fustrum out of copper mesh.  The small end plate will be adjustable via a stepper motor.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1385165#msg1385165 Forum post by @SeeShells]</ref>
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# @SeeShells plans to build a hexagonal frustum out of copper mesh.  The small end plate will be adjustable via a stepper motor.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1385165#msg1385165 Forum post by @SeeShells]</ref>
 
# @R. W. Keyes / Andromeda Research - high power, 1-20KW magnetron, superconductor Magnesium diboride on silicon carbide, to start summer 2015
 
# @R. W. Keyes / Andromeda Research - high power, 1-20KW magnetron, superconductor Magnesium diboride on silicon carbide, to start summer 2015
 
# [[hackaday.io project|@movax (Paul Kocyla) and Jo Hinchliffe]]<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1372073#msg1372073 Forum post by Hackaday.io]</ref> - Building the original 2.45 GHz thruster according to the Chinese paper and their own 24 GHz design simultaneously, with estimated completion date of July 2015.  See [https://hackaday.io/project/5596-em-drive Hackaday project] for more details, as well as [http://n-o-d-e.net/post/119343131451/building-a-diy-emdrive an interview with Paul].
 
# [[hackaday.io project|@movax (Paul Kocyla) and Jo Hinchliffe]]<ref>[http://forum.nasaspaceflight.com/index.php?topic=36313.msg1372073#msg1372073 Forum post by Hackaday.io]</ref> - Building the original 2.45 GHz thruster according to the Chinese paper and their own 24 GHz design simultaneously, with estimated completion date of July 2015.  See [https://hackaday.io/project/5596-em-drive Hackaday project] for more details, as well as [http://n-o-d-e.net/post/119343131451/building-a-diy-emdrive an interview with Paul].
# Dave Distler (@rmfwguy) plans to use a wifi router as Rf source, copper mesh for the fustrum body, and no dielectric in the fustrum.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1383098#msg1383098 Initial forum post by rmfwguy], with a later update on 6/3/13 and [http://forum.nasaspaceflight.com/index.php?topic=37642.msg1384292#msg1384292 link to a PDF overview].</ref>
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# Dave Distler (@rmfwguy) plans to use a wifi router as Rf source, copper mesh for the frustum body, and no dielectric in the frustum.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1383098#msg1383098 Initial forum post by rmfwguy], with a later update on 6/3/13 and [http://forum.nasaspaceflight.com/index.php?topic=37642.msg1384292#msg1384292 link to a PDF overview].</ref>
 
# @DrBagelBites posted on reddit that he was planning on starting a build.<ref>[https://www.reddit.com/r/EmDrive/comments/38q7m9/going_to_build_an_emdrive_update/ Post by @DrBagelBites on reddit]</ref>
 
# @DrBagelBites posted on reddit that he was planning on starting a build.<ref>[https://www.reddit.com/r/EmDrive/comments/38q7m9/going_to_build_an_emdrive_update/ Post by @DrBagelBites on reddit]</ref>
 
# @kml Testing a non-tapered rectangular waveguide with various dielectrics inserted at one end.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1380174#msg1380174 post by @kml]</ref>
 
# @kml Testing a non-tapered rectangular waveguide with various dielectrics inserted at one end.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1380174#msg1380174 post by @kml]</ref>
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== Modelling ==
 
== Modelling ==
@phaseshift has built a SketchUp model<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1380107#msg1380107 post by @phaseshift]</ref> ([[File:EM_Thruster.skp]]) of a frustrum based on the estimated Shawyer Flight Thruster dimensions.
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@phaseshift has built a SketchUp model<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1380107#msg1380107 post by @phaseshift]</ref> ([[File:EM_Thruster.skp]]) of a frustum based on the estimated Shawyer Flight Thruster dimensions.
  
 
@TheTraveller constructed a [https://docs.google.com/spreadsheets/d/1MyR1I2TzlOBXV7xnsxw32UGm7-JxbDIkNViC5F09rGU/edit#gid=1647834149 spreadsheet] to model thrust given various design parameters.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1382349#msg1382349 Forum post by @TheTraveller]</ref>  This model was built with some input from Roger Shawyer directly.
 
@TheTraveller constructed a [https://docs.google.com/spreadsheets/d/1MyR1I2TzlOBXV7xnsxw32UGm7-JxbDIkNViC5F09rGU/edit#gid=1647834149 spreadsheet] to model thrust given various design parameters.<ref>[http://forum.nasaspaceflight.com/index.php?topic=37642.msg1382349#msg1382349 Forum post by @TheTraveller]</ref>  This model was built with some input from Roger Shawyer directly.

Revision as of 10:21, 8 June 2015

This page will collect any photos, plans, and instructions for do-it-yourselfers. Efforts with enough documentation will be provided their own pages.

  1. Mulletron's Build
  2. Kurt Zeller (@zellerium) and Brian Kraft from Cal Poly are starting a build as well, using a constant cross-section cavity containing a polymer dielectric.[1]
  3. @DIYFan - TBD
  4. @Notsosureofit is planning testing with a Gunn diode.[2]
  5. @TheTraveller[3]
  6. @Iulian Berca[4] - Fabricated a drive in May 2015 and was posting videos at his website. In Test 3 he reported a force measurement toward "the small end" and later a smaller measurement in the reverse orientation in test 3.1. As of 5/21/15 the magnitude and significance of these measurements were being debated on the NSF forum.
  7. @SeeShells plans to build a hexagonal frustum out of copper mesh. The small end plate will be adjustable via a stepper motor.[5]
  8. @R. W. Keyes / Andromeda Research - high power, 1-20KW magnetron, superconductor Magnesium diboride on silicon carbide, to start summer 2015
  9. @movax (Paul Kocyla) and Jo Hinchliffe[6] - Building the original 2.45 GHz thruster according to the Chinese paper and their own 24 GHz design simultaneously, with estimated completion date of July 2015. See Hackaday project for more details, as well as an interview with Paul.
  10. Dave Distler (@rmfwguy) plans to use a wifi router as Rf source, copper mesh for the frustum body, and no dielectric in the frustum.[7]
  11. @DrBagelBites posted on reddit that he was planning on starting a build.[8]
  12. @kml Testing a non-tapered rectangular waveguide with various dielectrics inserted at one end.[9]
  13. Others?

Modelling

@phaseshift has built a SketchUp model[10] (File:EM Thruster.skp) of a frustum based on the estimated Shawyer Flight Thruster dimensions.

@TheTraveller constructed a spreadsheet to model thrust given various design parameters.[11] This model was built with some input from Roger Shawyer directly.

References