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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 90 motors that fit and appear to have enough thrust (707 motors didn't fit, 5 motors failed safety checks). 95 motor had thrust curves available and 178 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:   Smokin' Rockets Mega Nuk w/75
Owner: John Sigmon
Body Diameter: 7.75in
Dry Weight: 45.00lb
MMT Diameter: 75.0mm
MMT Length: 36.00in
CD: 0.50

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 Contrail K630 52.83lb 57ft/s 129ft/s 2.8G 393ft 5.9s 4s
OK Contrail K707 53.10lb 71ft/s 132ft/s 4.9G 406ft 5.7s 4s
OK Contrail K456 53.17lb 55ft/s 126ft/s 2.8G 483ft 6.7s 3s
OK AeroTech K1499 48.84lb 93ft/s 169ft/s 7.0G 494ft 5.9s 5s
OK Cesaroni K735 50.53lb 55ft/s 198ft/s 3.0G 830ft 8.5s 6s
OK Contrail K543 52.95lb 57ft/s 182ft/s 2.8G 838ft 8.6s 5s
OK Cesaroni K510 50.71lb 50ft/s 197ft/s 2.0G 1,123ft 10.6s 6s
OK AeroTech K780 51.47lb 62ft/s 240ft/s 3.2G 1,159ft 9.8s 7s
OK AeroTech K560 51.05lb 52ft/s 207ft/s 2.5G 1,175ft 10.4s 5s
OK Cesaroni K661 50.57lb 52ft/s 231ft/s 2.4G 1,192ft 10.3s 7s
OK Cesaroni K1085 50.36lb 70ft/s 271ft/s 4.3G 1,306ft 9.9s 8s
OK Cesaroni L585 51.14lb 49ft/s 232ft/s 1.9G 1,315ft 11.2s 7s
OK Cesaroni K2000 50.43lb 106ft/s 300ft/s 10.2G 1,370ft 9.5s 8s
OK AeroTech K1000 50.74lb 71ft/s 277ft/s 4.1G 1,404ft 10.2s 8s
OK Cesaroni L820 52.54lb 54ft/s 293ft/s 3.2G 1,662ft 11.8s 8s
OK Loki L780 52.72lb 52ft/s 296ft/s 3.1G 1,709ft 12.0s 8s
OK Cesaroni L910 50.77lb 65ft/s 305ft/s 3.7G 1,733ft 11.6s 8s
OK Gorilla L425 52.72lb 48ft/s 221ft/s 2.2G 1,783ft 13.6s 6s
OK Cesaroni L645 53.27lb 50ft/s 295ft/s 2.3G 2,008ft 13.5s 8s
OK Gorilla L789 52.45lb 56ft/s 320ft/s 2.9G 2,011ft 12.9s 9s
OK Loki L930 52.80lb 61ft/s 355ft/s 3.8G 2,323ft 13.4s 9s
OK Gorilla L985 53.01lb 61ft/s 372ft/s 3.8G 2,333ft 13.5s 10s
OK AeroTech L1150 53.10lb 74ft/s 375ft/s 4.6G 2,338ft 13.0s 10s
OK Cesaroni L3200 52.20lb 129ft/s 430ft/s 15.3G 2,377ft 12.1s 11s
OK Cesaroni L851 53.35lb 58ft/s 358ft/s 3.2G 2,412ft 13.9s 10s
OK AeroTech L875 55.09lb 59ft/s 360ft/s 3.3G 2,421ft 13.9s 9s
OK Gorilla L1150 52.72lb 72ft/s 385ft/s 6.6G 2,469ft 13.2s 10s
OK Cesaroni L995 52.92lb 73ft/s 371ft/s 4.5G 2,472ft 13.5s 10s
OK AeroTech L850 53.25lb 69ft/s 357ft/s 4.1G 2,490ft 13.7s 9s
OK AeroTech L900 55.41lb 60ft/s 367ft/s 3.3G 2,501ft 14.0s 10s
OK Cesaroni L800 52.74lb 66ft/s 352ft/s 4.1G 2,521ft 14.1s 9s
OK Gorilla L1112 53.00lb 72ft/s 393ft/s 4.5G 2,558ft 13.6s 10s
OK AeroTech L1040 55.40lb 64ft/s 384ft/s 4.2G 2,581ft 13.9s 10s
OK Cesaroni L1050 52.60lb 70ft/s 391ft/s 4.2G 2,605ft 13.8s 10s
OK Loki L840 53.26lb 65ft/s 372ft/s 4.0G 2,691ft 14.3s 10s
OK Cesaroni L1720 52.37lb 91ft/s 444ft/s 7.4G 2,733ft 13.4s 11s
OK AeroTech L1520 53.05lb 85ft/s 431ft/s 6.3G 2,734ft 13.5s 11s
OK Loki L1482 52.80lb 82ft/s 449ft/s 6.3G 2,846ft 13.9s 11s
OK Cesaroni L1355 55.94lb 84ft/s 426ft/s 6.2G 2,849ft 14.0s 11s
OK AeroTech L1390 53.55lb 81ft/s 436ft/s 6.0G 2,879ft 14.0s 11s
OK AeroTech L1170 56.00lb 75ft/s 433ft/s 4.9G 2,988ft 14.5s 11s
OK AeroTech L1250 57.45lb 75ft/s 436ft/s 5.0G 3,065ft 14.7s 11s
OK Gorilla L1065 56.82lb 82ft/s 439ft/s 6.1G 3,249ft 14.8s 11s
OK Cesaroni L1350 52.87lb 81ft/s 473ft/s 5.6G 3,286ft 14.9s 12s
OK AMW L1290 56.90lb 74ft/s 476ft/s 4.9G 3,432ft 15.5s 12s
OK AeroTech L1420 55.06lb 83ft/s 501ft/s 5.9G 3,542ft 15.4s 12s
OK AeroTech L1365 55.82lb 84ft/s 499ft/s 5.6G 3,640ft 15.7s 12s
OK Cesaroni L1410 56.28lb 77ft/s 510ft/s 5.6G 3,683ft 15.8s 12s
OK Cesaroni L1115 54.71lb 81ft/s 489ft/s 5.8G 3,875ft 16.4s 12s
OK Cesaroni L1685 58.34lb 98ft/s 528ft/s 7.7G 3,877ft 15.7s 13s
OK Cesaroni L1395 54.53lb 84ft/s 530ft/s 6.4G 3,883ft 16.0s 13s
OK Loki M1200 56.83lb 69ft/s 511ft/s 5.1G 3,955ft 16.6s 12s
OK Gorilla M745 57.39lb 79ft/s 419ft/s 5.1G 3,970ft 17.2s 10s
OK Cesaroni L2375 54.17lb 108ft/s 589ft/s 10.0G 4,018ft 15.6s 13s
OK Cesaroni M1101 55.89lb 73ft/s 504ft/s 4.8G 4,055ft 16.9s 12s
OK AeroTech M1350 55.60lb 87ft/s 530ft/s 6.1G 4,107ft 16.3s 12s
OK AeroTech L2200 55.54lb 111ft/s 580ft/s 11.7G 4,112ft 15.7s 13s
OK Loki M900 57.19lb 57ft/s 483ft/s 3.2G 4,123ft 17.8s 12s
OK AeroTech M1500 55.79lb 82ft/s 551ft/s 5.9G 4,144ft 16.5s 13s
OK Gorilla M1355 57.13lb 80ft/s 538ft/s 6.5G 4,178ft 16.6s 13s
OK AeroTech M1550 57.44lb 94ft/s 571ft/s 7.3G 4,383ft 16.7s 13s
OK AeroTech M1297 55.22lb 91ft/s 548ft/s 7.1G 4,408ft 16.9s 13s
OK Cesaroni M1230 55.68lb 79ft/s 544ft/s 5.1G 4,415ft 17.3s 13s
OK AeroTech M1780 55.39lb 103ft/s 595ft/s 8.7G 4,497ft 16.6s 13s
OK Cesaroni M2250 54.73lb 113ft/s 630ft/s 10.1G 4,566ft 16.4s 14s
OK Cesaroni M1830 54.97lb 98ft/s 615ft/s 8.1G 4,649ft 16.9s 14s
OK Cesaroni M1160 57.56lb 70ft/s 555ft/s 4.4G 4,668ft 18.1s 13s
OK Gorilla M1665 57.39lb 97ft/s 595ft/s 8.0G 4,670ft 17.0s 14s
OK AeroTech M650 56.30lb 69ft/s 433ft/s 4.3G 4,690ft 19.2s 8s
OK Cesaroni M1770 58.21lb 90ft/s 626ft/s 6.8G 4,787ft 17.3s 14s
OK Cesaroni M1670 56.53lb 91ft/s 620ft/s 7.8G 4,944ft 17.6s 14s
OK Gorilla M1952 57.00lb 107ft/s 642ft/s 9.7G 4,967ft 17.3s 14s
OK Cesaroni M2075 60.85lb 107ft/s 641ft/s 9.9G 4,990ft 17.3s 14s
OK Cesaroni M1810 56.94lb 92ft/s 654ft/s 7.4G 5,076ft 17.7s 14s
OK Cesaroni M1401 57.73lb 79ft/s 612ft/s 5.5G 5,113ft 18.3s 13s
OK Cesaroni M1675 56.51lb 95ft/s 648ft/s 7.3G 5,174ft 17.8s 14s
OK Cesaroni M1400 56.69lb 93ft/s 609ft/s 7.7G 5,182ft 18.1s 13s
OK Cesaroni M3100 56.06lb 124ft/s 727ft/s 14.0G 5,204ft 17.1s 15s
OK Loki M1882 57.20lb 104ft/s 673ft/s 9.3G 5,243ft 17.6s 14s
OK Cesaroni M1300 57.47lb 112ft/s 592ft/s 10.1G 5,352ft 18.4s 13s
OK Loki M1650 57.41lb 109ft/s 636ft/s 13.6G 5,443ft 18.1s 14s
OK AeroTech M1315 57.44lb 86ft/s 610ft/s 6.0G 5,502ft 18.8s 13s
OK Loki M2550 57.19lb 114ft/s 736ft/s 11.1G 5,577ft 17.8s 15s
OK Cesaroni M1540 58.02lb 96ft/s 666ft/s 8.3G 5,696ft 18.7s 14s
OK Cesaroni M3700 57.74lb 137ft/s 792ft/s 15.4G 5,749ft 17.7s 16s
OK Cesaroni M840 60.33lb 75ft/s 539ft/s 6.3G 6,105ft 21.3s 12s
OK Cesaroni M2045 58.38lb 105ft/s 759ft/s 8.9G 6,188ft 18.9s 15s
OK Cesaroni M2150 58.94lb 103ft/s 773ft/s 9.1G 6,279ft 19.0s 16s
OK Cesaroni M1590 58.40lb 98ft/s 716ft/s 7.9G 6,411ft 19.6s 15s
OK Cesaroni M2020 60.50lb 107ft/s 811ft/s 8.9G 7,060ft 20.0s 16s

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 Cesaroni K555 speed at end of launch guide too slow (42ft/s)
failedG Gorilla L695 speed at end of launch guide too slow (48ft/s)
failedG Loki L480 speed at end of launch guide too slow (38ft/s)
failedG Contrail L369 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni L395 speed at end of launch guide too slow (38ft/s)

G These simulations were run with a launch guide length of 20ft (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: 54.92.163.105
Protocol: HTTP/1.1
URI: /motorguide.jsp
Method: GET
Query: rocket=6813

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/JJLOR/Smokin'_Rockets_Mega_Nuk_w/75-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: 54.92.163.105
Protocol: HTTP/1.1
URI: /motorguide.jsp
Method: GET
Query: rocket=6813

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/JJLOR/Smokin'_Rockets_Mega_Nuk_w/75-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: 54.92.163.105
Protocol: HTTP/1.1
URI: /motorguide.jsp
Method: GET
Query: rocket=6813

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/JJLOR/Smokin'_Rockets_Mega_Nuk_w/75-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: 54.92.163.105
Protocol: HTTP/1.1
URI: /motorguide.jsp
Method: GET
Query: rocket=6813

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/JJLOR/Smokin'_Rockets_Mega_Nuk_w/75-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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