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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 80 motors that fit and appear to have enough thrust (703 motors didn't fit, 8 motors failed safety checks). 86 motor had thrust curves available and 171 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:   Excel Jr. (Binder)
Owner: paul shepherdson
Body Diameter: 2.60in
Dry Weight: 0.88lb
MMT Diameter: 29.0mm
MMT Length: 10.00in
CD: 0.75

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 1.11lb 50ft/s 167ft/s 6.7G 467ft 5.6s 4s
OK Cesaroni F36 1.11lb 53ft/s 239ft/s 15.1G 610ft 6.0s 5s
OK AeroTech F37 1.12lb 48ft/s 247ft/s 8.1G 740ft 6.7s 5s
OK AeroTech F27 1.06lb 49ft/s 231ft/s 6.6G 760ft 6.9s 4s
OK Cesaroni F36 1.10lb 53ft/s 268ft/s 7.7G 780ft 6.8s 5s
OK AeroTech F62 1.12lb 65ft/s 294ft/s 11.8G 806ft 6.6s 6s
OK AeroTech F23 1.06lb 55ft/s 241ft/s 9.3G 821ft 7.0s 5s
OK Cesaroni F120 1.11lb 94ft/s 340ft/s 27.5G 828ft 6.5s 6s
OK Cesaroni F31 1.10lb 49ft/s 272ft/s 10.4G 847ft 7.1s 5s
OK Cesaroni F59 1.10lb 69ft/s 319ft/s 13.5G 865ft 6.8s 6s
OK AeroTech F42 1.05lb 71ft/s 296ft/s 13.8G 872ft 6.8s 5s
OK AeroTech F20 1.06lb 56ft/s 256ft/s 9.2G 906ft 7.2s 5s
OK AeroTech F26 1.10lb 50ft/s 266ft/s 6.8G 964ft 7.6s 5s
OK AeroTech F50 1.07lb 75ft/s 364ft/s 14.3G 1,048ft 7.2s 6s
OK AeroTech F52 1.15lb 73ft/s 354ft/s 14.4G 1,082ft 7.4s 6s
OK AeroTech F25 1.08lb 63ft/s 301ft/s 11.0G 1,108ft 7.7s 5s
warningsW Estes F50 1.06lb 73ft/s 392ft/s 15.2G 1,159ft 7.5s 6s
OK AeroTech F40 1.16lb 66ft/s 337ft/s 12.2G 1,163ft 7.8s 6s
OK AeroTech G54 1.18lb 69ft/s 377ft/s 14.3G 1,175ft 7.7s 6s
OK Cesaroni G88 1.22lb 77ft/s 435ft/s 20.6G 1,185ft 7.5s 7s
OK AeroTech G104 1.18lb 92ft/s 439ft/s 22.2G 1,207ft 7.5s 7s
OK AeroTech G74 1.07lb 77ft/s 469ft/s 17.5G 1,246ft 7.6s 6s
OK AeroTech G38 1.16lb 57ft/s 348ft/s 9.3G 1,300ft 8.3s 6s
OK AeroTech G53 1.20lb 74ft/s 395ft/s 15.2G 1,308ft 8.0s 6s
OK Cesaroni G80 1.20lb 74ft/s 474ft/s 17.5G 1,322ft 7.9s 7s
OK AeroTech G77 1.24lb 67ft/s 482ft/s 14.5G 1,402ft 8.2s 7s
OK AeroTech G77 1.15lb 75ft/s 513ft/s 16.9G 1,407ft 8.0s 7s
OK Cesaroni G250 1.19lb 126ft/s 625ft/s 52.4G 1,427ft 7.7s 7s
warningsW Estes G40 1.15lb 68ft/s 406ft/s 13.3G 1,438ft 8.3s 6s
OK AeroTech G40 1.15lb 68ft/s 406ft/s 13.3G 1,438ft 8.3s 6s
OK AeroTech G79 1.23lb 74ft/s 494ft/s 16.8G 1,455ft 8.2s 7s
OK Cesaroni G83 1.20lb 79ft/s 504ft/s 17.8G 1,463ft 8.1s 7s
OK AeroTech G79 1.15lb 64ft/s 486ft/s 14.2G 1,480ft 8.3s 6s
OK Cesaroni G68 1.22lb 69ft/s 474ft/s 15.9G 1,491ft 8.3s 7s
OK Cesaroni G57 1.20lb 75ft/s 447ft/s 15.5G 1,520ft 8.5s 7s
OK Cesaroni G126 1.20lb 94ft/s 584ft/s 28.8G 1,524ft 8.0s 7s
OK AeroTech G76 1.20lb 102ft/s 479ft/s 27.2G 1,552ft 8.2s 6s
OK Cesaroni G131 1.32lb 92ft/s 593ft/s 24.2G 1,577ft 8.2s 7s
OK AeroTech G125 1.16lb 92ft/s 644ft/s 26.7G 1,599ft 8.0s 7s
OK AeroTech G75 1.17lb 77ft/s 519ft/s 18.4G 1,604ft 8.3s 6s
OK AeroTech G64 1.21lb 84ft/s 471ft/s 19.1G 1,608ft 8.4s 6s
OK AeroTech G78 1.16lb 77ft/s 559ft/s 18.4G 1,618ft 8.3s 7s
OK AeroTech G80 1.16lb 82ft/s 569ft/s 19.1G 1,685ft 8.4s 7s
OK Cesaroni G106 1.29lb 80ft/s 619ft/s 21.9G 1,728ft 8.5s 7s
OK AeroTech G25 1.15lb 49ft/s 362ft/s 7.3G 1,750ft 9.8s 5s
OK KBA G135 1.38lb 83ft/s 648ft/s 23.2G 1,757ft 8.6s 8s
OK KBA G82 1.39lb 65ft/s 559ft/s 13.9G 1,801ft 9.0s 7s
OK Cesaroni H410 1.28lb 165ft/s 881ft/s 89.2G 1,830ft 8.2s 8s
OK AeroTech H165 1.32lb 101ft/s 723ft/s 31.0G 1,863ft 8.5s 7s
OK Cesaroni H175 1.42lb 100ft/s 741ft/s 32.6G 1,881ft 8.6s 8s
OK Cesaroni G125 1.31lb 95ft/s 682ft/s 26.8G 1,893ft 8.7s 7s
OK AeroTech G75 1.39lb 64ft/s 546ft/s 11.5G 1,900ft 9.3s 7s
OK Cesaroni G118 1.29lb 89ft/s 679ft/s 26.1G 1,909ft 8.8s 7s
OK Cesaroni H163 1.29lb 109ft/s 756ft/s 36.8G 1,924ft 8.6s 7s
OK Cesaroni H133 1.30lb 96ft/s 696ft/s 32.2G 1,925ft 8.7s 7s
OK AeroTech G138 1.21lb 91ft/s 798ft/s 27.5G 1,928ft 8.5s 7s
OK AeroTech H238 1.31lb 115ft/s 783ft/s 38.2G 1,940ft 8.5s 8s
OK AeroTech H128 1.33lb 102ft/s 724ft/s 29.2G 1,963ft 8.7s 7s
OK Cesaroni H90 1.24lb 93ft/s 639ft/s 27.2G 2,000ft 8.9s 7s
OK Cesaroni H123 1.38lb 86ft/s 713ft/s 21.7G 2,024ft 9.0s 7s
OK Cesaroni H87 1.33lb 79ft/s 624ft/s 20.7G 2,039ft 9.2s 7s
OK AeroTech H115 1.33lb 84ft/s 702ft/s 19.6G 2,042ft 8.9s 7s
OK Cesaroni G54 1.31lb 86ft/s 497ft/s 19.8G 2,064ft 9.5s 6s
OK Cesaroni H118 1.39lb 93ft/s 697ft/s 26.5G 2,121ft 9.1s 7s
OK AeroTech H220 1.43lb 128ft/s 864ft/s 47.2G 2,149ft 8.9s 8s
OK AeroTech H97 1.49lb 74ft/s 653ft/s 15.3G 2,149ft 9.5s 7s
OK Cesaroni H54 1.34lb 73ft/s 503ft/s 16.0G 2,156ft 9.8s 6s
OK AeroTech H210 1.42lb 112ft/s 871ft/s 37.8G 2,181ft 8.9s 8s
OK Cesaroni H151 1.40lb 105ft/s 787ft/s 31.6G 2,217ft 9.0s 8s
OK AeroTech H182 1.34lb 104ft/s 898ft/s 30.2G 2,233ft 8.9s 8s
OK Cesaroni H170 1.39lb 118ft/s 847ft/s 37.4G 2,265ft 9.0s 8s
OK AeroTech H250 1.44lb 139ft/s 937ft/s 49.4G 2,285ft 8.9s 8s
OK AeroTech H180 1.44lb 112ft/s 878ft/s 38.4G 2,293ft 9.0s 8s
OK AeroTech H195 1.31lb 131ft/s 953ft/s 42.6G 2,316ft 8.8s 8s
OK Cesaroni H135 1.43lb 99ft/s 779ft/s 25.0G 2,320ft 9.3s 8s
OK Cesaroni H42 1.41lb 52ft/s 484ft/s 10.9G 2,410ft 10.9s 7s
OK AeroTech H135 1.35lb 95ft/s 774ft/s 24.4G 2,476ft 9.5s 7s
OK Cesaroni H255 1.39lb 138ft/s 1,053ft/s 59.9G 2,517ft 9.1s 8s
warningsW,D Estes F26 1.07lb 6:1 thrust/weight ratio (no data)
warningsW,D Estes G80 1.16lb 15:1 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 (39ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (42ft/s)
failedG Estes F15 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (44ft/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 (40ft/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 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.)

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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