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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 105 motors that fit and appear to have enough thrust (693 motors didn't fit, 13 motors failed safety checks). 116 motor had thrust curves available and 232 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:   2-inch Jart
Owner: Erik Czerwin
Body Diameter: 2.24in
Dry Weight: 20.6oz
MMT Diameter: 29.0mm
MMT Length: 18.00in
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 AeroTech E23 24.3oz 48ft/s 120ft/s 4.7G 318ft 5.0s 3s
OK Cesaroni F36 24.3oz 51ft/s 173ft/s 10.8G 485ft 5.8s 5s
OK AeroTech F37 24.5oz 50ft/s 187ft/s 5.9G 615ft 6.7s 5s
OK AeroTech F27 23.4oz 48ft/s 174ft/s 4.5G 621ft 6.8s 4s
OK Cesaroni F36 24.2oz 52ft/s 202ft/s 5.4G 669ft 6.9s 5s
OK AeroTech F23 23.5oz 50ft/s 186ft/s 6.5G 699ft 7.1s 5s
OK AeroTech F62 24.4oz 64ft/s 223ft/s 8.4G 732ft 6.9s 6s
OK Cesaroni F31 24.2oz 48ft/s 210ft/s 7.3G 754ft 7.4s 6s
OK Cesaroni F120 24.3oz 96ft/s 252ft/s 20.4G 797ft 7.0s 6s
OK AeroTech F20 23.4oz 52ft/s 201ft/s 6.4G 814ft 7.6s 5s
OK Cesaroni F59 24.1oz 69ft/s 242ft/s 9.5G 817ft 7.3s 6s
OK AeroTech F42 23.3oz 66ft/s 228ft/s 9.6G 817ft 7.3s 6s
OK AeroTech F67 23.4oz 79ft/s 275ft/s 12.3G 968ft 7.7s 7s
OK AeroTech F50 23.6oz 71ft/s 288ft/s 10.1G 1,107ft 8.3s 7s
OK AeroTech F25 23.8oz 60ft/s 249ft/s 7.7G 1,115ft 8.6s 6s
OK AeroTech F52 24.9oz 72ft/s 285ft/s 10.4G 1,133ft 8.4s 7s
OK AeroTech F40 25.1oz 66ft/s 281ft/s 8.8G 1,224ft 8.9s 7s
OK AeroTech G54 25.4oz 69ft/s 311ft/s 10.6G 1,288ft 8.9s 7s
OK Estes F50 23.6oz 72ft/s 319ft/s 11.0G 1,298ft 8.8s 7s
OK Cesaroni G88 26.0oz 78ft/s 344ft/s 15.2G 1,350ft 8.9s 8s
OK AeroTech G104 25.4oz 90ft/s 353ft/s 16.2G 1,399ft 9.0s 8s
OK AeroTech G38 25.0oz 55ft/s 299ft/s 6.6G 1,412ft 9.7s 7s
OK AeroTech G74 23.7oz 77ft/s 373ft/s 12.9G 1,488ft 9.3s 8s
OK AeroTech G53 25.7oz 75ft/s 337ft/s 11.1G 1,508ft 9.6s 8s
OK Cesaroni G80 25.7oz 74ft/s 384ft/s 12.8G 1,581ft 9.6s 8s
OK AeroTech G77 26.4oz 68ft/s 398ft/s 11.6G 1,701ft 10.0s 9s
OK AeroTech G40 24.9oz 65ft/s 358ft/s 9.5G 1,709ft 10.2s 8s
OK Estes G40 24.9oz 65ft/s 358ft/s 9.5G 1,709ft 10.2s 8s
OK AeroTech G77 24.9oz 72ft/s 425ft/s 13.4G 1,786ft 10.1s 9s
OK AeroTech G79 26.1oz 77ft/s 417ft/s 12.8G 1,822ft 10.2s 9s
OK Cesaroni G68 26.1oz 68ft/s 408ft/s 11.7G 1,838ft 10.4s 9s
OK Cesaroni G83 25.7oz 77ft/s 423ft/s 13.0G 1,838ft 10.2s 9s
OK AeroTech G72 25.2oz 69ft/s 431ft/s 13.8G 1,840ft 10.3s 9s
OK Cesaroni G57 25.7oz 71ft/s 395ft/s 11.3G 1,862ft 10.5s 9s
OK AeroTech G79 25.0oz 67ft/s 419ft/s 10.8G 1,866ft 10.4s 9s
OK Cesaroni G250 25.6oz 128ft/s 486ft/s 40.2G 1,916ft 10.0s 10s
OK AeroTech G76 25.8oz 98ft/s 423ft/s 20.0G 1,994ft 10.5s 9s
OK Cesaroni G126 25.7oz 98ft/s 481ft/s 21.2G 2,026ft 10.4s 9s
OK AeroTech G75 25.3oz 81ft/s 468ft/s 13.9G 2,034ft 10.6s 9s
OK AeroTech G25 24.9oz 48ft/s 337ft/s 5.2G 2,045ft 11.8s 7s
OK AeroTech G64 25.9oz 83ft/s 419ft/s 14.0G 2,051ft 10.7s 8s
OK Cesaroni G131 27.7oz 90ft/s 492ft/s 19.0G 2,108ft 10.6s 10s
OK AeroTech G78 25.0oz 77ft/s 480ft/s 13.7G 2,171ft 10.8s 9s
OK AeroTech G125 25.0oz 95ft/s 534ft/s 21.1G 2,237ft 10.8s 10s
OK AeroTech G80 25.1oz 81ft/s 500ft/s 14.0G 2,301ft 11.1s 9s
OK Cesaroni G106 27.2oz 79ft/s 531ft/s 16.4G 2,363ft 11.3s 10s
OK KBA G82 28.7oz 66ft/s 497ft/s 11.7G 2,392ft 11.6s 10s
OK KBA G135 28.6oz 87ft/s 549ft/s 19.2G 2,416ft 11.3s 10s
OK AeroTech G75 28.8oz 64ft/s 505ft/s 9.1G 2,535ft 12.0s 10s
OK Cesaroni G125 27.5oz 95ft/s 605ft/s 20.2G 2,729ft 11.7s 10s
OK AeroTech H165 27.7oz 105ft/s 626ft/s 24.2G 2,732ft 11.6s 11s
OK Cesaroni G118 27.2oz 87ft/s 603ft/s 19.6G 2,743ft 11.8s 10s
OK Cesaroni H175 29.3oz 104ft/s 632ft/s 28.4G 2,752ft 11.7s 11s
OK RATT H70 33.0oz 82ft/s 498ft/s 13.9G 2,783ft 12.4s 10s
OK Cesaroni G54 27.4oz 87ft/s 485ft/s 14.9G 2,786ft 12.3s 9s
OK Cesaroni H133 27.3oz 97ft/s 619ft/s 24.3G 2,801ft 11.8s 11s
OK Cesaroni H410 27.0oz 170ft/s 710ft/s 70.0G 2,837ft 11.5s 11s
OK Cesaroni H163 27.2oz 103ft/s 655ft/s 27.7G 2,860ft 11.8s 11s
OK Cesaroni H90 26.3oz 89ft/s 604ft/s 20.2G 2,886ft 12.1s 10s
OK Cesaroni H87 27.8oz 79ft/s 591ft/s 15.6G 2,891ft 12.3s 10s
OK AeroTech H128 27.9oz 102ft/s 646ft/s 22.8G 2,900ft 11.9s 11s
OK Cesaroni H54 28.0oz 76ft/s 501ft/s 12.0G 2,906ft 12.7s 9s
OK AeroTech G138 25.8oz 94ft/s 691ft/s 24.1G 2,923ft 11.9s 11s
OK AeroTech H238 27.5oz 121ft/s 678ft/s 30.5G 2,931ft 11.8s 11s
OK Cesaroni H123 28.6oz 84ft/s 639ft/s 16.6G 2,951ft 12.2s 11s
OK AeroTech H115 27.8oz 87ft/s 651ft/s 15.2G 3,017ft 12.2s 11s
OK AeroTech H97 30.4oz 76ft/s 618ft/s 12.2G 3,071ft 12.7s 11s
OK Cesaroni H118 28.8oz 96ft/s 653ft/s 20.2G 3,115ft 12.4s 11s
OK Cesaroni H42 29.1oz 54ft/s 497ft/s 8.2G 3,181ft 13.8s 9s
OK KBA H130 45.6oz 82ft/s 548ft/s 16.4G 3,203ft 13.4s 12s
OK Cesaroni H237 31.0oz 121ft/s 758ft/s 34.1G 3,280ft 12.4s 11s
OK AeroTech H220 29.4oz 126ft/s 763ft/s 36.5G 3,336ft 12.4s 11s
OK Cesaroni H151 29.0oz 103ft/s 735ft/s 24.2G 3,393ft 12.6s 11s
OK AeroTech H210 29.3oz 117ft/s 778ft/s 31.4G 3,402ft 12.5s 12s
OK Cesaroni H170 28.8oz 115ft/s 776ft/s 28.7G 3,528ft 12.7s 11s
OK Cesaroni H160 30.2oz 102ft/s 771ft/s 21.1G 3,531ft 12.9s 12s
OK Cesaroni H135 29.5oz 99ft/s 746ft/s 19.2G 3,536ft 12.9s 11s
OK AeroTech H182 27.9oz 107ft/s 830ft/s 24.1G 3,551ft 12.7s 11s
OK AeroTech H180 29.5oz 116ft/s 810ft/s 30.6G 3,613ft 12.8s 11s
OK AeroTech H250 29.6oz 141ft/s 851ft/s 38.6G 3,658ft 12.8s 12s
OK AeroTech H169 27.7oz 122ft/s 840ft/s 29.6G 3,770ft 12.9s 11s
OK KBA H225 31.7oz 101ft/s 846ft/s 30.5G 3,770ft 13.2s 12s
OK AeroTech H135 28.1oz 94ft/s 764ft/s 18.8G 3,790ft 13.3s 11s
OK Cesaroni H295 32.7oz 137ft/s 885ft/s 40.9G 3,791ft 13.0s 12s
OK AeroTech H195 27.5oz 129ft/s 900ft/s 32.2G 3,792ft 12.8s 12s
OK Cesaroni H53 30.7oz 63ft/s 600ft/s 10.0G 3,857ft 14.5s 10s
OK Cesaroni H180 31.7oz 111ft/s 841ft/s 29.8G 3,938ft 13.3s 12s
OK Cesaroni H194 30.6oz 119ft/s 870ft/s 32.2G 3,960ft 13.2s 12s
OK Cesaroni H200 30.3oz 124ft/s 884ft/s 33.5G 4,026ft 13.3s 12s
OK Cesaroni H340 34.4oz 144ft/s 960ft/s 45.7G 4,110ft 13.3s 12s
OK Cesaroni H255 28.8oz 142ft/s 986ft/s 46.1G 4,164ft 13.2s 12s
OK Cesaroni H140 30.4oz 113ft/s 838ft/s 28.1G 4,170ft 13.6s 12s
OK Cesaroni H399 31.0oz 165ft/s 1,027ft/s 62.6G 4,187ft 13.2s 13s
OK Cesaroni H226 33.3oz 131ft/s 947ft/s 36.9G 4,411ft 13.7s 12s
OK Cesaroni H159 32.7oz 96ft/s 914ft/s 19.8G 4,450ft 14.1s 12s
OK AeroTech H268 33.2oz 130ft/s 995ft/s 35.1G 4,458ft 13.8s 13s
OK Cesaroni H233 32.2oz 127ft/s 998ft/s 37.1G 4,510ft 13.8s 12s
OK Cesaroni H255 31.8oz 139ft/s 1,039ft/s 45.8G 4,571ft 13.8s 13s
OK Cesaroni H160 31.9oz 129ft/s 913ft/s 34.8G 4,608ft 14.0s 12s
OK AeroTech I200 33.2oz 124ft/s 969ft/s 31.9G 4,640ft 14.0s 12s
OK AeroTech I205 31.7oz 119ft/s 1,063ft/s 40.3G 4,854ft 14.0s 12s
OK Cesaroni I204 32.9oz 131ft/s 1,029ft/s 38.1G 4,859ft 14.1s 12s
OK Cesaroni I243 34.7oz 139ft/s 1,098ft/s 44.3G 5,157ft 14.4s 13s
OK Cesaroni I224 33.7oz 144ft/s 1,095ft/s 45.4G 5,171ft 14.4s 13s
warningsD Estes G80 25.1oz 11:1 thrust/weight ratio (no data)

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 (35ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (40ft/s)
failedG Estes F15 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (43ft/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 (46ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (41ft/s)
failedG Apogee F10 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (14ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (45ft/s)

G These simulations were run with a launch guide length of 8ft (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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