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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 80 motors that fit and appear to have enough thrust (694 motors didn't fit, 17 motors failed safety checks). 95 motor had thrust curves available and 184 flight simulations were performed. Browse the motors that did and didn't work right here or download the results as a spreadsheet.

The Rocket

Rocket Name:   Arreaux RMS 29/40-120
Owner: Joseph
Body Diameter: 1.90in
Dry Weight: 14.1oz
MMT Diameter: 29.0mm
MMT Length: 12.00in
CD: 0.30

Motors That Work

These motors fit your rocket and appear to have enough thrust to lift it safely. If thrust curves are available, a quick simulation has been run to give a rough idea of the performance of your rocket on this motor. We encourage you to run a more complete simulation with any motor you plan to use; see the simulators page for more info.

  Motor Weight Launch Velocity Accel Altitude Time Delay
OK AeroTech F23 17.0oz 48ft/s 283ft/s 9.3G 1,364ft 9.6s 7s
OK AeroTech F62 17.9oz 54ft/s 319ft/s 11.9G 1,376ft 9.2s 8s
OK Cesaroni F120 17.8oz 80ft/s 352ft/s 28.5G 1,479ft 9.4s 9s
OK Cesaroni F59 17.6oz 61ft/s 346ft/s 13.4G 1,535ft 9.7s 9s
OK AeroTech F42 16.8oz 63ft/s 335ft/s 13.7G 1,559ft 9.8s 8s
OK AeroTech F20 16.9oz 48ft/s 305ft/s 9.2G 1,573ft 10.1s 8s
OK AeroTech F50 17.1oz 62ft/s 417ft/s 14.3G 2,065ft 11.0s 10s
OK AeroTech F52 18.4oz 64ft/s 407ft/s 14.5G 2,075ft 11.1s 10s
OK AeroTech F25 17.3oz 56ft/s 372ft/s 11.0G 2,093ft 11.4s 9s
OK AeroTech F40 18.6oz 55ft/s 407ft/s 12.2G 2,239ft 11.7s 10s
OK AeroTech G54 18.9oz 61ft/s 442ft/s 14.7G 2,334ft 11.8s 10s
warningsW Estes F50 17.0oz 64ft/s 464ft/s 15.8G 2,405ft 11.7s 10s
OK Cesaroni G88 19.5oz 67ft/s 480ft/s 20.6G 2,426ft 11.8s 11s
OK AeroTech G104 18.9oz 79ft/s 492ft/s 22.2G 2,515ft 11.8s 11s
OK AeroTech G38 18.5oz 49ft/s 439ft/s 9.2G 2,583ft 12.6s 10s
OK AeroTech G53 19.2oz 65ft/s 479ft/s 15.2G 2,700ft 12.5s 11s
OK AeroTech G74 17.2oz 66ft/s 537ft/s 18.4G 2,734ft 12.3s 11s
OK Cesaroni G80 19.2oz 60ft/s 537ft/s 17.5G 2,836ft 12.6s 11s
OK AeroTech G77 19.9oz 57ft/s 555ft/s 16.1G 3,028ft 13.1s 12s
warningsW Estes G40 18.4oz 60ft/s 519ft/s 13.3G 3,076ft 13.2s 11s
OK AeroTech G40 18.4oz 60ft/s 519ft/s 13.3G 3,076ft 13.2s 11s
OK AeroTech G77 18.4oz 61ft/s 604ft/s 19.0G 3,211ft 13.2s 12s
OK AeroTech G79 19.6oz 64ft/s 583ft/s 17.6G 3,233ft 13.3s 12s
OK Cesaroni G68 19.6oz 57ft/s 575ft/s 15.9G 3,265ft 13.5s 12s
OK Cesaroni G83 19.2oz 68ft/s 593ft/s 17.8G 3,273ft 13.3s 12s
OK Cesaroni G57 19.2oz 61ft/s 563ft/s 15.5G 3,315ft 13.6s 12s
OK AeroTech G79 18.5oz 56ft/s 600ft/s 15.3G 3,342ft 13.5s 12s
OK Cesaroni G250 19.1oz 106ft/s 669ft/s 55.2G 3,404ft 13.2s 13s
OK AeroTech G76 19.3oz 86ft/s 596ft/s 27.2G 3,511ft 13.6s 12s
OK Cesaroni G126 19.2oz 87ft/s 667ft/s 28.8G 3,587ft 13.6s 13s
OK AeroTech G64 19.4oz 73ft/s 593ft/s 19.1G 3,608ft 13.9s 12s
OK Cesaroni G131 21.2oz 79ft/s 671ft/s 26.5G 3,676ft 13.8s 13s
OK AeroTech G75 18.7oz 67ft/s 654ft/s 18.4G 3,739ft 14.0s 12s
OK AeroTech G78 18.5oz 66ft/s 682ft/s 19.1G 3,849ft 14.1s 12s
OK AeroTech G125 18.5oz 84ft/s 751ft/s 29.7G 3,961ft 14.0s 13s
OK AeroTech G80 18.6oz 73ft/s 710ft/s 19.3G 4,061ft 14.4s 13s
OK Cesaroni G106 20.7oz 69ft/s 732ft/s 21.8G 4,133ft 14.6s 13s
OK KBA G82 22.2oz 57ft/s 681ft/s 16.1G 4,137ft 14.9s 13s
OK KBA G135 22.1oz 71ft/s 741ft/s 25.9G 4,196ft 14.7s 14s
OK AeroTech G75 22.3oz 55ft/s 700ft/s 12.3G 4,379ft 15.4s 13s
OK Cesaroni G125 21.0oz 80ft/s 832ft/s 26.8G 4,738ft 15.2s 14s
OK AeroTech H165 21.2oz 87ft/s 856ft/s 32.5G 4,740ft 15.1s 14s
OK Cesaroni H175 22.8oz 91ft/s 850ft/s 39.4G 4,741ft 15.2s 14s
OK Cesaroni G118 20.7oz 76ft/s 833ft/s 26.1G 4,770ft 15.3s 14s
OK Cesaroni G54 20.9oz 73ft/s 690ft/s 19.9G 4,805ft 15.8s 13s
OK Cesaroni H133 20.8oz 88ft/s 853ft/s 32.2G 4,864ft 15.4s 14s
OK Cesaroni H410 20.5oz 145ft/s 962ft/s 94.5G 4,943ft 15.0s 15s
OK Cesaroni H163 20.7oz 90ft/s 899ft/s 36.8G 4,968ft 15.4s 14s
OK Cesaroni H54 21.5oz 63ft/s 713ft/s 15.9G 4,994ft 16.2s 13s
OK Cesaroni H87 21.3oz 68ft/s 824ft/s 20.7G 5,000ft 15.8s 14s
OK AeroTech H128 21.4oz 88ft/s 885ft/s 30.3G 5,010ft 15.5s 14s
OK Cesaroni H90 19.8oz 80ft/s 852ft/s 27.2G 5,012ft 15.6s 14s
OK KBA H130 39.1oz 68ft/s 672ft/s 19.3G 5,062ft 17.0s 15s
OK AeroTech H238 21.0oz 101ft/s 924ft/s 41.1G 5,075ft 15.4s 14s
OK Cesaroni H123 22.1oz 74ft/s 872ft/s 22.7G 5,087ft 15.8s 14s
OK AeroTech G138 19.3oz 84ft/s 965ft/s 34.5G 5,107ft 15.4s 14s
OK AeroTech H115 21.3oz 72ft/s 905ft/s 20.6G 5,196ft 15.8s 14s
OK AeroTech H97 23.9oz 64ft/s 845ft/s 16.1G 5,237ft 16.3s 14s
OK Cesaroni H118 22.3oz 79ft/s 896ft/s 26.4G 5,351ft 16.0s 14s
OK Cesaroni H237 24.5oz 103ft/s 1,008ft/s 46.9G 5,607ft 16.1s 15s
OK AeroTech H220 22.9oz 111ft/s 1,023ft/s 47.2G 5,728ft 16.2s 15s
OK Cesaroni H151 22.5oz 87ft/s 1,002ft/s 31.6G 5,819ft 16.3s 15s
OK AeroTech H210 22.8oz 96ft/s 1,050ft/s 41.9G 5,853ft 16.3s 15s
OK Cesaroni H160 23.7oz 83ft/s 1,041ft/s 27.8G 6,043ft 16.7s 15s
OK Cesaroni H135 23.0oz 84ft/s 1,022ft/s 24.9G 6,046ft 16.7s 15s
OK Cesaroni H170 22.3oz 97ft/s 1,055ft/s 37.4G 6,052ft 16.5s 15s
OK AeroTech H182 21.4oz 86ft/s 1,146ft/s 32.7G 6,102ft 16.4s 15s
OK AeroTech H180 23.0oz 99ft/s 1,096ft/s 40.0G 6,175ft 16.6s 15s
OK AeroTech H250 23.1oz 110ft/s 1,145ft/s 50.1G 6,277ft 16.6s 16s
OK KBA H225 25.2oz 85ft/s 1,120ft/s 40.2G 6,454ft 17.1s 16s
OK AeroTech H195 21.0oz 105ft/s 1,248ft/s 42.5G 6,490ft 16.5s 15s
OK AeroTech H135 21.6oz 81ft/s 1,061ft/s 24.9G 6,503ft 17.2s 15s
OK Cesaroni H53 24.2oz 55ft/s 844ft/s 12.9G 6,513ft 18.3s 14s
OK Cesaroni H194 24.1oz 97ft/s 1,175ft/s 41.2G 6,749ft 17.2s 16s
OK Cesaroni H200 23.8oz 102ft/s 1,196ft/s 43.0G 6,867ft 17.2s 16s
OK Cesaroni H140 23.9oz 95ft/s 1,143ft/s 36.1G 7,079ft 17.6s 16s
OK Cesaroni H255 22.3oz 123ft/s 1,342ft/s 59.8G 7,140ft 17.1s 16s
OK AeroTech I205 25.2oz 95ft/s 1,444ft/s 51.0G 8,163ft 18.0s 16s
warningsW,D Estes F26 17.1oz 6:1 thrust/weight ratio (no data)
warningsW,D Estes G80 18.5oz 15:1 thrust/weight ratio (no data)

W Motor total weight unknown, lift-off Weight not accurate.

D No simulation data found for this motor.

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

Motors That Fail

These motors fit your rocket, but failed one safety check or another. They may actually work, but you should use them only with caution. We encourage you to run a more complete simulation to verify flight safety; see the simulators page for more info.

  Motor Reason
failedG Estes E16 speed at end of launch guide too slow (34ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (43ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (46ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (41ft/s)
failedG Estes F15 speed at end of launch guide too slow (32ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (42ft/s)
failedG AeroTech F26 speed at end of launch guide too slow (42ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (35ft/s)
failedG Apogee F10 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (45ft/s)

G These simulations were run with a launch guide length of 4ft (rod, rail or tower). If this is not correct, launch guide lengths can be specified for your saved rockets. (The minimum velocity required is approximately 15m/s or 50ft/s.)

Download the Results

The data is presented in a compact form in the tables above, broken down by motors that worked and those that did not. If you would like to analyze the data further, this section provides download links for files in a generic spreadsheet format (comma-separated value, or CSV) that can be opened with almost any spreadsheet program.

CSV Excel   Download full details of the simulation runs with the various motors:
Unable to generate download file from guide run!
Client: 54.225.57.120
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=4822

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/TALLTEG/Arreaux_RMS_29/40-120-results-pass.csv (No such file or directory)

  1. java.io.FileOutputStream.open(Native Method)
  2. java.io.FileOutputStream.(FileOutputStream.java:179)
  3. java.io.FileOutputStream.(FileOutputStream.java:131)
  4. java.io.FileWriter.(FileWriter.java:73)
  5. org.thrustcurve.sim.GuideExporter.export(GuideExporter.java:100)
  6. org.thrustcurve.jsp.GuideResultATag.doTag(GuideResultATag.java:184)
  7. org.thrustcurve.jsp.SimpleTagBase.doStartTag(SimpleTagBase.java:16)
  8. org.apache.jsp.motorguide_jsp._jspx_meth_tc_005fguideResultA_005f0(motorguide_jsp.java:1062)
  9. org.apache.jsp.motorguide_jsp._jspService(motorguide_jsp.java:988)
  10. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
  11. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  12. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:371)
  13. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
  14. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
  15. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  16. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
  17. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
  18. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  19. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
  20. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  21. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
  22. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
  23. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
  24. org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
  25. org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
  26. org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:775)
  27. org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:704)
  28. org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
  29. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
  30. java.lang.Thread.run(Thread.java:595)

Please let us know about this problem (including the above info).

,
Unable to generate download file from guide run!
Client: 54.225.57.120
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=4822

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/TALLTEG/Arreaux_RMS_29/40-120-results-fail.csv (No such file or directory)

  1. java.io.FileOutputStream.open(Native Method)
  2. java.io.FileOutputStream.(FileOutputStream.java:179)
  3. java.io.FileOutputStream.(FileOutputStream.java:131)
  4. java.io.FileWriter.(FileWriter.java:73)
  5. org.thrustcurve.sim.GuideExporter.export(GuideExporter.java:100)
  6. org.thrustcurve.jsp.GuideResultATag.doTag(GuideResultATag.java:184)
  7. org.thrustcurve.jsp.SimpleTagBase.doStartTag(SimpleTagBase.java:16)
  8. org.apache.jsp.motorguide_jsp._jspx_meth_tc_005fguideResultA_005f1(motorguide_jsp.java:1083)
  9. org.apache.jsp.motorguide_jsp._jspService(motorguide_jsp.java:992)
  10. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
  11. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  12. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:371)
  13. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
  14. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
  15. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  16. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
  17. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
  18. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  19. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
  20. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  21. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
  22. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
  23. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
  24. org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
  25. org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
  26. org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:775)
  27. org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:704)
  28. org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
  29. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
  30. java.lang.Thread.run(Thread.java:595)

Please let us know about this problem (including the above info).

, or
Unable to generate download file from guide run!
Client: 54.225.57.120
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=4822

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/TALLTEG/Arreaux_RMS_29/40-120-results-all.csv (No such file or directory)

  1. java.io.FileOutputStream.open(Native Method)
  2. java.io.FileOutputStream.(FileOutputStream.java:179)
  3. java.io.FileOutputStream.(FileOutputStream.java:131)
  4. java.io.FileWriter.(FileWriter.java:73)
  5. org.thrustcurve.sim.GuideExporter.export(GuideExporter.java:100)
  6. org.thrustcurve.jsp.GuideResultATag.doTag(GuideResultATag.java:184)
  7. org.thrustcurve.jsp.SimpleTagBase.doStartTag(SimpleTagBase.java:16)
  8. org.apache.jsp.motorguide_jsp._jspx_meth_tc_005fguideResultA_005f2(motorguide_jsp.java:1104)
  9. org.apache.jsp.motorguide_jsp._jspService(motorguide_jsp.java:997)
  10. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
  11. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  12. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:371)
  13. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
  14. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
  15. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  16. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
  17. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
  18. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  19. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
  20. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  21. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
  22. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
  23. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
  24. org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
  25. org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
  26. org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:775)
  27. org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:704)
  28. org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
  29. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
  30. java.lang.Thread.run(Thread.java:595)

Please let us know about this problem (including the above info).

.
 
RockSim  
Unable to generate download file from guide run!
Client: 54.225.57.120
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=4822

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/TALLTEG/Arreaux_RMS_29/40-120-smartsim-all.csv (No such file or directory)

  1. java.io.FileOutputStream.open(Native Method)
  2. java.io.FileOutputStream.(FileOutputStream.java:179)
  3. java.io.FileOutputStream.(FileOutputStream.java:131)
  4. java.io.FileWriter.(FileWriter.java:73)
  5. org.thrustcurve.sim.GuideExporter.export(GuideExporter.java:100)
  6. org.thrustcurve.jsp.GuideResultATag.doTag(GuideResultATag.java:184)
  7. org.thrustcurve.jsp.SimpleTagBase.doStartTag(SimpleTagBase.java:16)
  8. org.apache.jsp.motorguide_jsp._jspx_meth_tc_005fguideResultA_005f3(motorguide_jsp.java:1124)
  9. org.apache.jsp.motorguide_jsp._jspService(motorguide_jsp.java:1008)
  10. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
  11. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  12. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:371)
  13. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
  14. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
  15. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
  16. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
  17. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
  18. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  19. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
  20. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  21. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
  22. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
  23. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
  24. org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
  25. org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
  26. org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:775)
  27. org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:704)
  28. org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
  29. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
  30. java.lang.Thread.run(Thread.java:595)

Please let us know about this problem (including the above info).

the list of motors that fit your rocket into a batch for use with SMARTSim. (See the Simulators page for more info.)

You should download these files to your machine and then open them. Normally, clicking the link will prompt you to do this. However, if your browser insists on opening the file as plain text, you can right-click (control-click on the Mac) on the link and chose Save File As (or similar).

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