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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 86 motors that fit and appear to have enough thrust (684 motors didn't fit, 21 motors failed safety checks). 105 motor had thrust curves available and 208 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:   Corvette HP (NCR/Estes Eliminator)
Owner: Michael J Zaborowski
Body Diameter: 3.12in
Dry Weight: 25.5oz
MMT Diameter: 29.0mm
MMT Length: 14.00in
CD: 0.40
Web Site: http://www.youtube.com/watch?v=vYFmkWv5nXU

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 F62 29.3oz 51ft/s 180ft/s 6.8G 507ft 5.9s 5s
OK Cesaroni F120 29.2oz 74ft/s 207ft/s 16.7G 558ft 5.9s 5s
OK AeroTech F42 28.2oz 53ft/s 181ft/s 7.8G 562ft 6.2s 5s
OK Cesaroni F59 29.0oz 53ft/s 195ft/s 7.8G 567ft 6.2s 5s
OK AeroTech F25 28.7oz 48ft/s 196ft/s 6.2G 773ft 7.4s 5s
OK AeroTech F50 28.5oz 55ft/s 231ft/s 8.2G 774ft 7.1s 6s
OK AeroTech F52 29.8oz 57ft/s 230ft/s 8.6G 800ft 7.2s 6s
OK AeroTech F40 30.0oz 52ft/s 225ft/s 7.2G 863ft 7.6s 6s
warningsW Estes F50 28.4oz 55ft/s 256ft/s 8.9G 916ft 7.6s 6s
OK AeroTech G54 30.3oz 54ft/s 252ft/s 8.7G 916ft 7.6s 6s
OK Cesaroni G88 30.9oz 61ft/s 282ft/s 12.6G 967ft 7.7s 7s
OK AeroTech G104 30.3oz 71ft/s 289ft/s 13.5G 1,004ft 7.7s 7s
OK AeroTech G74 28.6oz 59ft/s 301ft/s 10.5G 1,056ft 8.0s 7s
OK AeroTech G53 30.6oz 59ft/s 273ft/s 9.1G 1,082ft 8.3s 6s
OK Cesaroni G80 30.6oz 58ft/s 314ft/s 10.6G 1,137ft 8.3s 7s
warningsW Estes G40 29.8oz 53ft/s 287ft/s 7.8G 1,224ft 8.8s 6s
OK AeroTech G40 29.8oz 53ft/s 287ft/s 7.8G 1,224ft 8.8s 6s
OK AeroTech G77 31.3oz 54ft/s 326ft/s 9.5G 1,228ft 8.7s 7s
OK AeroTech G77 29.8oz 59ft/s 345ft/s 10.9G 1,286ft 8.7s 7s
OK AeroTech G79 31.0oz 60ft/s 341ft/s 10.5G 1,321ft 8.8s 7s
OK Cesaroni G68 31.0oz 53ft/s 332ft/s 9.7G 1,330ft 9.0s 7s
OK Cesaroni G83 30.6oz 64ft/s 346ft/s 10.8G 1,331ft 8.8s 7s
OK AeroTech G79 29.9oz 52ft/s 339ft/s 8.8G 1,345ft 9.1s 7s
OK Cesaroni G57 30.6oz 56ft/s 320ft/s 9.3G 1,346ft 9.1s 7s
OK Cesaroni G250 30.5oz 102ft/s 403ft/s 33.3G 1,394ft 8.6s 8s
OK AeroTech G76 30.7oz 77ft/s 345ft/s 16.7G 1,454ft 9.1s 7s
OK Cesaroni G126 30.6oz 76ft/s 396ft/s 17.7G 1,476ft 9.0s 8s
OK AeroTech G64 30.8oz 65ft/s 341ft/s 11.6G 1,496ft 9.3s 7s
OK AeroTech G75 30.1oz 62ft/s 374ft/s 11.0G 1,541ft 9.4s 7s
OK Cesaroni G131 32.6oz 71ft/s 408ft/s 15.6G 1,548ft 9.2s 8s
OK AeroTech G78 29.9oz 59ft/s 391ft/s 11.3G 1,581ft 9.4s 8s
OK AeroTech G125 29.9oz 74ft/s 438ft/s 17.2G 1,633ft 9.3s 8s
OK AeroTech G80 30.0oz 64ft/s 407ft/s 11.5G 1,681ft 9.6s 8s
OK Cesaroni G106 32.1oz 63ft/s 438ft/s 13.7G 1,737ft 9.8s 8s
OK KBA G82 33.6oz 53ft/s 411ft/s 9.7G 1,765ft 10.1s 8s
OK KBA G135 33.5oz 69ft/s 457ft/s 16.0G 1,783ft 9.8s 9s
OK AeroTech G75 33.7oz 51ft/s 415ft/s 7.6G 1,873ft 10.5s 8s
OK Cesaroni G125 32.4oz 75ft/s 500ft/s 17.0G 2,020ft 10.2s 9s
OK AeroTech H165 32.6oz 82ft/s 520ft/s 20.2G 2,024ft 10.1s 9s
OK Cesaroni G118 32.1oz 68ft/s 498ft/s 16.5G 2,028ft 10.3s 9s
OK Cesaroni H175 34.2oz 82ft/s 528ft/s 23.5G 2,046ft 10.2s 9s
OK Cesaroni G54 32.3oz 69ft/s 394ft/s 12.5G 2,062ft 10.8s 8s
OK Cesaroni H133 32.2oz 76ft/s 512ft/s 20.4G 2,075ft 10.3s 9s
OK Cesaroni H410 31.9oz 130ft/s 593ft/s 58.5G 2,102ft 10.0s 10s
OK Cesaroni H163 32.1oz 87ft/s 543ft/s 23.3G 2,119ft 10.3s 9s
OK Cesaroni H90 31.2oz 70ft/s 494ft/s 16.9G 2,136ft 10.6s 9s
OK Cesaroni H87 32.7oz 63ft/s 485ft/s 13.1G 2,144ft 10.8s 9s
OK AeroTech H128 32.8oz 82ft/s 535ft/s 19.1G 2,156ft 10.4s 9s
OK Cesaroni H54 32.9oz 61ft/s 407ft/s 10.1G 2,156ft 11.2s 8s
OK AeroTech G138 30.7oz 74ft/s 568ft/s 19.7G 2,162ft 10.4s 9s
OK AeroTech H238 32.4oz 95ft/s 564ft/s 25.5G 2,177ft 10.3s 9s
OK Cesaroni H123 33.5oz 67ft/s 531ft/s 14.0G 2,194ft 10.7s 9s
OK AeroTech H115 32.7oz 69ft/s 536ft/s 12.7G 2,246ft 10.7s 9s
OK AeroTech H97 35.3oz 61ft/s 513ft/s 10.3G 2,294ft 11.1s 9s
OK Cesaroni H118 33.7oz 76ft/s 541ft/s 17.1G 2,323ft 10.9s 9s
OK Cesaroni H237 35.9oz 97ft/s 638ft/s 28.2G 2,457ft 10.8s 10s
OK KBA H130 50.5oz 70ft/s 479ft/s 14.7G 2,466ft 11.8s 10s
OK AeroTech H220 34.3oz 99ft/s 639ft/s 31.2G 2,494ft 10.8s 10s
OK Cesaroni H151 33.9oz 87ft/s 611ft/s 20.6G 2,539ft 11.0s 10s
OK AeroTech H210 34.2oz 92ft/s 651ft/s 26.4G 2,542ft 10.9s 10s
OK Cesaroni H170 33.7oz 90ft/s 646ft/s 24.4G 2,641ft 11.1s 10s
OK Cesaroni H160 35.1oz 81ft/s 644ft/s 18.0G 2,646ft 11.3s 10s
OK Cesaroni H135 34.4oz 79ft/s 619ft/s 16.3G 2,651ft 11.4s 10s
OK AeroTech H182 32.8oz 84ft/s 686ft/s 20.1G 2,658ft 11.1s 10s
OK AeroTech H180 34.4oz 93ft/s 675ft/s 25.9G 2,712ft 11.2s 10s
OK AeroTech H250 34.5oz 111ft/s 712ft/s 32.8G 2,742ft 11.1s 10s
OK KBA H225 36.6oz 81ft/s 713ft/s 25.7G 2,828ft 11.5s 10s
OK AeroTech H135 33.0oz 74ft/s 630ft/s 15.8G 2,838ft 11.7s 10s
OK AeroTech H195 32.4oz 100ft/s 743ft/s 27.2G 2,848ft 11.2s 10s
OK Cesaroni H295 37.6oz 110ft/s 749ft/s 34.0G 2,855ft 11.3s 10s
OK Cesaroni H53 35.6oz 51ft/s 491ft/s 8.5G 2,900ft 12.8s 8s
OK Cesaroni H180 36.6oz 96ft/s 706ft/s 25.6G 2,969ft 11.7s 10s
OK Cesaroni H194 35.5oz 94ft/s 727ft/s 27.6G 2,981ft 11.6s 10s
OK Cesaroni H200 35.2oz 99ft/s 739ft/s 28.7G 3,031ft 11.6s 10s
OK Cesaroni H255 33.7oz 115ft/s 821ft/s 39.2G 3,131ft 11.6s 10s
OK Cesaroni H140 35.3oz 90ft/s 697ft/s 24.0G 3,146ft 12.0s 10s
OK Cesaroni H399 35.9oz 131ft/s 866ft/s 53.8G 3,148ft 11.6s 11s
OK AeroTech H268 38.1oz 104ft/s 840ft/s 30.3G 3,365ft 12.0s 11s
OK Cesaroni H159 37.6oz 77ft/s 762ft/s 17.0G 3,366ft 12.4s 11s
OK Cesaroni H233 37.1oz 101ft/s 839ft/s 32.0G 3,411ft 12.1s 11s
OK Cesaroni H255 36.7oz 109ft/s 873ft/s 39.5G 3,453ft 12.1s 11s
OK Cesaroni H160 36.8oz 103ft/s 763ft/s 30.0G 3,492ft 12.3s 10s
OK AeroTech I200 38.1oz 99ft/s 813ft/s 27.7G 3,520ft 12.3s 11s
OK Cesaroni I204 37.8oz 104ft/s 862ft/s 33.1G 3,688ft 12.4s 11s
OK AeroTech I205 36.6oz 95ft/s 886ft/s 34.8G 3,691ft 12.3s 10s
warningsW,D Estes G80 29.9oz 9:1 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 (26ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (37ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (31ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (36ft/s)
failedG Estes F15 speed at end of launch guide too slow (24ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (40ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (37ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (31ft/s)
failedG Apogee F10 speed at end of launch guide too slow (27ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (42ft/s)

G These simulations were run with a launch guide length of 6ft (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.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

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: 54.161.73.123
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=1384

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/KYBOUTB/Corvette_HP_(NCR/Estes_Eliminator)-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: 54.161.73.123
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=1384

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/KYBOUTB/Corvette_HP_(NCR/Estes_Eliminator)-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: 54.161.73.123
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=1384

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/KYBOUTB/Corvette_HP_(NCR/Estes_Eliminator)-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: 54.161.73.123
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=1384

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/KYBOUTB/Corvette_HP_(NCR/Estes_Eliminator)-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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