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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 53 motors that fit and appear to have enough thrust (672 motors didn't fit, 66 motors failed safety checks). 119 motor had thrust curves available and 251 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:   AAMRAAM 4 w/ Dual Deploy
Owner: Thomas Bouldin
Body Diameter: 4.00in
Dry Weight: 141.0oz
MMT Diameter: 38.0mm
MMT Length: 14.50in
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
warningsW AeroTech H283 149.7oz 52ft/s 131ft/s 7.0G 311ft 4.7s 4s
OK AeroTech H669 149.9oz 81ft/s 161ft/s 25.5G 409ft 5.2s 5s
OK Cesaroni H400 151.0oz 57ft/s 177ft/s 9.6G 515ft 5.9s 5s
OK AeroTech I180 154.6oz 53ft/s 187ft/s 7.4G 742ft 7.3s 5s
OK AeroTech H550 152.4oz 74ft/s 222ft/s 14.3G 773ft 7.1s 6s
OK AeroTech H550 152.1oz 74ft/s 223ft/s 14.4G 780ft 7.1s 7s
warningsW Cesaroni H565 153.8oz 72ft/s 226ft/s 14.4G 791ft 7.2s 7s
OK AeroTech H999 152.7oz 98ft/s 235ft/s 36.8G 824ft 7.2s 7s
OK AeroTech I245 153.9oz 58ft/s 219ft/s 8.7G 885ft 7.9s 6s
OK AeroTech I357 153.1oz 54ft/s 225ft/s 7.9G 894ft 7.9s 6s
OK Cesaroni I566 154.6oz 68ft/s 261ft/s 13.9G 1,029ft 8.2s 8s
OK Cesaroni I345 154.9oz 53ft/s 264ft/s 8.1G 1,126ft 8.8s 8s
OK AeroTech I285 158.4oz 52ft/s 260ft/s 7.6G 1,150ft 8.9s 7s
OK AeroTech I195 161.2oz 50ft/s 256ft/s 7.1G 1,249ft 9.5s 7s
OK Cesaroni I800 157.1oz 82ft/s 296ft/s 20.1G 1,261ft 8.9s 8s
OK AeroTech I305 161.5oz 55ft/s 274ft/s 8.2G 1,285ft 9.3s 8s
OK AeroTech I300 156.6oz 56ft/s 276ft/s 9.7G 1,291ft 9.4s 8s
OK AeroTech I1299 155.9oz 110ft/s 310ft/s 34.1G 1,341ft 9.1s 9s
OK Loki I316 160.0oz 63ft/s 296ft/s 10.3G 1,471ft 9.9s 8s
OK Loki I210 160.0oz 54ft/s 284ft/s 8.9G 1,518ft 10.2s 8s
OK Cesaroni I285 158.8oz 49ft/s 315ft/s 7.0G 1,645ft 10.7s 9s
OK Loki I405 160.2oz 78ft/s 325ft/s 17.0G 1,648ft 10.3s 9s
OK Loki I430 160.0oz 61ft/s 344ft/s 11.0G 1,762ft 10.7s 10s
OK Loki I377 160.8oz 69ft/s 333ft/s 13.7G 1,765ft 10.7s 9s
OK AMW I297 161.8oz 51ft/s 332ft/s 7.3G 1,794ft 11.0s 9s
OK AeroTech I327 163.2oz 54ft/s 338ft/s 8.5G 1,810ft 11.0s 9s
OK AeroTech I366 160.6oz 61ft/s 343ft/s 9.9G 1,831ft 11.0s 10s
OK Cesaroni I303 158.6oz 52ft/s 337ft/s 8.4G 1,837ft 11.2s 9s
OK AeroTech I364 164.9oz 55ft/s 340ft/s 8.2G 1,839ft 11.1s 9s
OK AeroTech I280 162.7oz 48ft/s 339ft/s 6.4G 1,871ft 11.4s 9s
OK Cesaroni I470 158.5oz 63ft/s 362ft/s 11.6G 1,900ft 11.0s 10s
OK Cesaroni I350 168.6oz 54ft/s 366ft/s 7.6G 2,056ft 11.7s 10s
OK AeroTech I435 159.3oz 75ft/s 377ft/s 16.1G 2,093ft 11.5s 10s
OK KBA I301 166.6oz 49ft/s 366ft/s 7.8G 2,098ft 11.9s 10s
OK AeroTech I284 160.6oz 60ft/s 366ft/s 10.0G 2,117ft 11.8s 10s
OK KBA I550 166.1oz 67ft/s 404ft/s 14.2G 2,215ft 11.8s 11s
OK AeroTech I500 161.3oz 66ft/s 409ft/s 11.9G 2,366ft 12.2s 11s
OK Cesaroni J335 163.1oz 55ft/s 400ft/s 8.1G 2,420ft 12.6s 11s
OK Cesaroni J285 162.0oz 51ft/s 392ft/s 7.3G 2,422ft 12.8s 11s
OK Cesaroni J316 162.4oz 54ft/s 396ft/s 8.7G 2,444ft 12.7s 11s
warningsW Cesaroni I540 162.1oz 69ft/s 423ft/s 13.1G 2,445ft 12.3s 11s
OK AeroTech I350 162.7oz 56ft/s 413ft/s 9.9G 2,448ft 12.6s 11s
OK AeroTech J420 163.9oz 63ft/s 413ft/s 11.3G 2,461ft 12.6s 11s
OK AeroTech I600 162.2oz 79ft/s 425ft/s 17.2G 2,476ft 12.4s 11s
OK AeroTech J340 161.4oz 61ft/s 408ft/s 12.4G 2,504ft 12.7s 11s
OK Cesaroni J357 162.2oz 59ft/s 415ft/s 10.4G 2,524ft 12.8s 11s
OK AeroTech J350 164.5oz 74ft/s 418ft/s 17.0G 2,525ft 12.6s 11s
OK KBA J740 166.5oz 80ft/s 444ft/s 20.3G 2,564ft 12.5s 12s
OK Cesaroni J290 164.3oz 51ft/s 409ft/s 7.6G 2,603ft 13.2s 11s
OK AeroTech J425 163.3oz 55ft/s 436ft/s 9.2G 2,644ft 13.1s 11s
OK AeroTech J270 163.6oz 50ft/s 414ft/s 6.9G 2,712ft 13.5s 11s
OK AeroTech J500 164.1oz 72ft/s 468ft/s 16.3G 2,946ft 13.4s 12s
OK AeroTech J435 163.0oz 70ft/s 492ft/s 14.2G 3,254ft 14.2s 12s

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

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
failedA AeroTech G339 rocket doesn't reach a safe altitude (105ft)
failedG AeroTech G67 speed at end of launch guide too slow (21ft/s)
failedG Loki G69 speed at end of launch guide too slow (22ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (19ft/s)
failedG Loki G70 speed at end of launch guide too slow (23ft/s)
failedG Loki G94 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (18ft/s)
failedG Loki G80 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (12ft/s)
failedG Cesaroni G185 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (20ft/s)
failedG Loki G66 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (19ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (19ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (14ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (21ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (12ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (19ft/s)
failedG Loki H100 speed at end of launch guide too slow (29ft/s)
failedG AeroTech H148 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H130 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (30ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (28ft/s)
failedG AeroTech H242 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (28ft/s)
failedG AeroTech H219 speed at end of launch guide too slow (47ft/s)
failedG Loki H90 speed at end of launch guide too slow (30ft/s)
failedG Loki H144 speed at end of launch guide too slow (42ft/s)
failedG Loki H125 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (30ft/s)
failedG Loki H160 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (30ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni H225 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (35ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (26ft/s)
failedG AeroTech H170 speed at end of launch guide too slow (36ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (19ft/s)
failedG AeroTech I161 speed at end of launch guide too slow (38ft/s)
failedG AeroTech I218 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I212 speed at end of launch guide too slow (38ft/s)
failedG AeroTech I225 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni I195 speed at end of launch guide too slow (40ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni I170 speed at end of launch guide too slow (39ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (13ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (14ft/s)
failedG Cesaroni I175 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I236 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni I223 speed at end of launch guide too slow (41ft/s)
failedG AeroTech I211 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni I287 speed at end of launch guide too slow (46ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (32ft/s)
failedG Loki I110 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni I255 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni I242 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni I125 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni I216 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni J270 speed at end of launch guide too slow (45ft/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.)

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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: 54.80.146.251
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=5225

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/XNSLCBC/AAMRAAM_4_w/_Dual_Deploy-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: 54.80.146.251
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=5225

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/XNSLCBC/AAMRAAM_4_w/_Dual_Deploy-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: 54.80.146.251
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=5225

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/XNSLCBC/AAMRAAM_4_w/_Dual_Deploy-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: 54.80.146.251
Protocol: HTTP/1.0
URI: /motorguide.jsp
Method: GET
Query: rocket=5225

java.io.FileNotFoundException: /home/orgthrus/public_html/guide/XNSLCBC/AAMRAAM_4_w/_Dual_Deploy-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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