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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 78 motors that fit and appear to have enough thrust (703 motors didn't fit, 24 motors failed safety checks). 100 motor had thrust curves available and 196 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:   PML AMRAAM 2
Owner: James Cramton
Body Diameter: 2.00in
Dry Weight: 681g
MMT Diameter: 29.0mm
MMT Length: 12.00in
CD: 0.72

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 790g 51ft/s 192ft/s 7.3G 581ft 6.3s 5s
OK Cesaroni F120 787g 76ft/s 219ft/s 17.8G 641ft 6.3s 6s
OK AeroTech F42 757g 54ft/s 195ft/s 8.3G 647ft 6.6s 5s
OK Cesaroni F59 780g 54ft/s 208ft/s 8.2G 652ft 6.6s 6s
OK AeroTech F67 761g 62ft/s 237ft/s 10.6G 780ft 7.0s 6s
OK AeroTech F25 771g 49ft/s 213ft/s 6.6G 895ft 7.9s 5s
OK AeroTech F50 766g 56ft/s 248ft/s 8.7G 898ft 7.6s 6s
OK AeroTech F52 803g 57ft/s 247ft/s 9.1G 925ft 7.8s 6s
OK AeroTech F40 807g 53ft/s 243ft/s 7.6G 999ft 8.2s 6s
OK AeroTech G54 818g 57ft/s 271ft/s 9.2G 1,062ft 8.2s 7s
warningsW Estes F50 765g 59ft/s 275ft/s 9.5G 1,067ft 8.2s 7s
OK Cesaroni G88 833g 62ft/s 301ft/s 13.3G 1,123ft 8.3s 7s
OK AeroTech G104 817g 73ft/s 308ft/s 14.2G 1,167ft 8.3s 7s
OK AeroTech G74 768g 63ft/s 323ft/s 11.2G 1,236ft 8.7s 7s
OK AeroTech G53 827g 59ft/s 294ft/s 9.7G 1,259ft 8.9s 7s
OK Cesaroni G80 824g 59ft/s 335ft/s 11.2G 1,327ft 9.0s 8s
warningsW Estes G40 804g 54ft/s 311ft/s 8.3G 1,431ft 9.5s 7s
OK AeroTech G40 804g 54ft/s 311ft/s 8.3G 1,431ft 9.5s 7s
OK AeroTech G77 846g 54ft/s 348ft/s 10.2G 1,435ft 9.4s 8s
OK AeroTech G77 804g 59ft/s 370ft/s 11.7G 1,512ft 9.5s 8s
OK AeroTech G79 838g 60ft/s 365ft/s 11.2G 1,547ft 9.6s 8s
OK Cesaroni G68 837g 54ft/s 357ft/s 10.2G 1,557ft 9.8s 8s
OK Cesaroni G83 826g 64ft/s 370ft/s 11.4G 1,561ft 9.6s 8s
OK AeroTech G72 813g 56ft/s 376ft/s 12.1G 1,562ft 9.7s 8s
OK Cesaroni G57 827g 59ft/s 346ft/s 9.9G 1,575ft 9.8s 8s
OK AeroTech G79 805g 52ft/s 365ft/s 9.4G 1,581ft 9.8s 8s
OK Cesaroni G250 822g 103ft/s 427ft/s 35.2G 1,644ft 9.4s 9s
OK AeroTech G76 828g 81ft/s 371ft/s 17.6G 1,707ft 9.9s 8s
OK Cesaroni G126 826g 80ft/s 422ft/s 18.6G 1,740ft 9.8s 9s
OK AeroTech G64 832g 69ft/s 368ft/s 12.3G 1,755ft 10.1s 8s
OK AeroTech G75 812g 62ft/s 403ft/s 11.7G 1,816ft 10.2s 8s
OK Cesaroni G131 881g 75ft/s 434ft/s 16.8G 1,822ft 10.1s 9s
OK AeroTech G78 806g 63ft/s 420ft/s 11.9G 1,869ft 10.3s 9s
OK AeroTech G125 806g 78ft/s 468ft/s 18.5G 1,938ft 10.2s 9s
OK AeroTech G80 809g 67ft/s 438ft/s 12.2G 1,991ft 10.5s 9s
OK Cesaroni G106 868g 63ft/s 468ft/s 14.4G 2,052ft 10.7s 9s
OK KBA G82 912g 53ft/s 441ft/s 10.4G 2,076ft 11.0s 9s
OK KBA G135 907g 68ft/s 486ft/s 17.0G 2,106ft 10.7s 10s
OK AeroTech G75 914g 52ft/s 447ft/s 8.0G 2,206ft 11.4s 9s
OK Cesaroni G125 876g 76ft/s 536ft/s 17.8G 2,402ft 11.2s 10s
OK AeroTech H165 883g 86ft/s 555ft/s 21.4G 2,410ft 11.1s 10s
OK Cesaroni G118 869g 72ft/s 534ft/s 17.3G 2,411ft 11.3s 10s
OK Cesaroni H175 928g 86ft/s 561ft/s 25.3G 2,433ft 11.2s 10s
OK Cesaroni G54 874g 69ft/s 430ft/s 13.1G 2,434ft 11.8s 9s
OK Cesaroni H133 871g 80ft/s 549ft/s 21.5G 2,470ft 11.3s 10s
OK Cesaroni H410 864g 137ft/s 628ft/s 61.7G 2,519ft 11.0s 11s
OK Cesaroni H163 868g 85ft/s 580ft/s 24.5G 2,529ft 11.3s 10s
OK Cesaroni H90 844g 73ft/s 534ft/s 17.7G 2,543ft 11.6s 10s
OK Cesaroni H54 890g 61ft/s 445ft/s 10.6G 2,544ft 12.1s 9s
OK Cesaroni H87 886g 62ft/s 524ft/s 13.8G 2,545ft 11.8s 10s
OK AeroTech H128 887g 83ft/s 573ft/s 20.1G 2,569ft 11.5s 10s
OK AeroTech G138 829g 73ft/s 608ft/s 21.3G 2,588ft 11.4s 10s
OK AeroTech H238 877g 100ft/s 602ft/s 27.0G 2,602ft 11.4s 10s
OK Cesaroni H123 909g 70ft/s 568ft/s 14.8G 2,611ft 11.7s 10s
OK AeroTech H115 886g 68ft/s 578ft/s 13.4G 2,677ft 11.8s 10s
OK AeroTech H97 959g 61ft/s 552ft/s 10.9G 2,721ft 12.2s 10s
OK Cesaroni H118 913g 75ft/s 582ft/s 18.0G 2,768ft 11.9s 10s
OK KBA H130 1,390g 68ft/s 505ft/s 15.1G 2,858ft 12.8s 11s
OK Cesaroni H237 975g 94ft/s 678ft/s 30.5G 2,940ft 11.9s 11s
OK AeroTech H220 931g 104ft/s 681ft/s 32.6G 2,990ft 12.0s 11s
OK Cesaroni H151 919g 85ft/s 656ft/s 21.6G 3,039ft 12.2s 11s
OK AeroTech H210 927g 96ft/s 695ft/s 28.0G 3,050ft 12.1s 11s
OK Cesaroni H170 913g 95ft/s 693ft/s 25.5G 3,169ft 12.3s 11s
OK Cesaroni H160 953g 85ft/s 690ft/s 18.9G 3,169ft 12.4s 11s
OK Cesaroni H135 932g 78ft/s 667ft/s 17.1G 3,172ft 12.5s 11s
OK AeroTech H182 888g 82ft/s 737ft/s 21.3G 3,198ft 12.3s 11s
OK AeroTech H180 933g 96ft/s 724ft/s 27.2G 3,257ft 12.4s 11s
OK AeroTech H250 937g 116ft/s 761ft/s 34.4G 3,301ft 12.3s 11s
OK KBA H225 997g 84ft/s 759ft/s 27.3G 3,397ft 12.7s 12s
OK AeroTech H135 893g 73ft/s 683ft/s 16.7G 3,404ft 12.9s 11s
OK Cesaroni H53 967g 51ft/s 539ft/s 8.9G 3,435ft 14.0s 10s
OK AeroTech H195 878g 105ft/s 801ft/s 28.5G 3,438ft 12.4s 11s
OK Cesaroni H194 965g 98ft/s 782ft/s 28.8G 3,587ft 12.8s 12s
OK Cesaroni H200 955g 103ft/s 794ft/s 30.0G 3,651ft 12.9s 12s
OK Cesaroni H140 958g 94ft/s 754ft/s 25.1G 3,778ft 13.2s 11s
OK Cesaroni H255 913g 116ft/s 882ft/s 41.0G 3,789ft 12.8s 12s
OK AeroTech I205 996g 99ft/s 960ft/s 36.3G 4,462ft 13.7s 12s
warningsW,D Estes G80 806g 10:1 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 (28ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (39ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (32ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (40ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (38ft/s)
failedG Estes F15 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (41ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (38ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG AeroTech F26 speed at end of launch guide too slow (37ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (32ft/s)
failedG Apogee F10 speed at end of launch guide too slow (29ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (9ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (29ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (30ft/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 (44ft/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:
that worked, that failed, or all of them.
 
RockSim   Download 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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