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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 68 motors that fit and appear to have enough thrust (723 motors didn't fit). All motors had thrust curves available and 123 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:   Madcow SportX-3.1inch-54mmMMT
Owner: Kenneth B Weaver
Body Diameter: 3.10in
Dry Weight: 32.0oz
MMT Diameter: 54.0mm
MMT Length: 15.00in
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 I117 52.0oz 50ft/s 590ft/s 10.3G 2,657ft 11.6s 9s
OK AeroTech I599 50.1oz 129ft/s 888ft/s 54.4G 2,671ft 10.3s 10s
OK AeroTech I215 50.6oz 76ft/s 713ft/s 17.6G 2,775ft 11.1s 9s
OK AeroTech I229 50.1oz 75ft/s 759ft/s 18.3G 2,857ft 11.1s 9s
OK AeroTech I170 50.6oz 63ft/s 676ft/s 13.5G 2,865ft 11.4s 9s
OK Cesaroni I140 51.9oz 56ft/s 612ft/s 9.9G 2,868ft 11.8s 9s
OK AeroTech I115 51.2oz 49ft/s 586ft/s 10.1G 2,953ft 12.1s 9s
OK Cesaroni I445 52.3oz 93ft/s 927ft/s 35.2G 3,035ft 11.0s 10s
OK Cesaroni I150 52.1oz 60ft/s 664ft/s 11.2G 3,267ft 12.3s 9s
OK Cesaroni I218 52.5oz 72ft/s 782ft/s 17.0G 3,267ft 11.8s 10s
OK Cesaroni I165 53.0oz 63ft/s 707ft/s 11.7G 3,526ft 12.5s 9s
OK Cesaroni I120 54.0oz 55ft/s 610ft/s 8.8G 3,556ft 13.2s 9s
OK Cesaroni J1055 59.2oz 146ft/s 1,367ft/s 68.5G 3,784ft 11.4s 11s
OK Cesaroni J250 61.3oz 63ft/s 921ft/s 14.7G 4,006ft 12.8s 10s
OK Cesaroni J280 65.7oz 71ft/s 966ft/s 15.6G 4,033ft 12.7s 10s
OK AeroTech J250 64.0oz 69ft/s 912ft/s 15.1G 4,045ft 12.8s 10s
OK AeroTech J1299 61.4oz 160ft/s 1,514ft/s 86.4G 4,082ft 11.7s 11s
OK AeroTech J250 57.0oz 84ft/s 910ft/s 19.9G 4,106ft 12.5s 10s
OK AeroTech J315 62.0oz 77ft/s 976ft/s 20.7G 4,189ft 12.6s 10s
OK AeroTech J460 59.8oz 100ft/s 1,188ft/s 31.8G 4,311ft 12.2s 10s
OK Cesaroni J430 60.2oz 98ft/s 1,174ft/s 30.3G 4,313ft 12.4s 10s
OK Cesaroni I100 60.5oz 69ft/s 579ft/s 17.1G 4,348ft 14.8s 6s
OK Cesaroni J145 61.5oz 70ft/s 710ft/s 27.4G 4,385ft 13.8s 9s
OK AMW J1365 71.5oz 147ft/s 1,460ft/s 78.6G 4,407ft 12.4s 12s
OK AeroTech J1799 71.2oz 180ft/s 1,723ft/s 110.5G 4,481ft 12.0s 11s
OK Gorilla J365 74.5oz 61ft/s 1,069ft/s 22.5G 4,514ft 13.5s 11s
OK Cesaroni J1520 68.2oz 166ft/s 1,753ft/s 88.4G 4,538ft 12.0s 11s
OK Cesaroni J240 62.9oz 72ft/s 939ft/s 15.6G 4,545ft 13.3s 10s
OK AeroTech J90 62.1oz 49ft/s 667ft/s 8.9G 4,555ft 14.9s 8s
OK Cesaroni J293 61.6oz 76ft/s 1,028ft/s 19.8G 4,556ft 13.1s 10s
OK AeroTech J275 62.5oz 71ft/s 953ft/s 17.5G 4,581ft 13.2s 9s
OK AeroTech I65 58.5oz 59ft/s 583ft/s 11.1G 4,591ft 15.2s 7s
OK AeroTech J180 60.5oz 77ft/s 845ft/s 18.4G 4,620ft 13.4s 9s
OK Cesaroni J244 64.1oz 67ft/s 955ft/s 13.8G 4,737ft 13.7s 10s
OK AMW J400 80.7oz 76ft/s 1,108ft/s 19.3G 4,772ft 13.6s 11s
OK AMW J475 81.7oz 82ft/s 1,188ft/s 25.5G 4,861ft 13.5s 11s
OK Loki J350 76.4oz 74ft/s 1,113ft/s 19.4G 4,873ft 13.7s 11s
OK Loki J820 74.7oz 124ft/s 1,476ft/s 49.4G 4,895ft 12.7s 11s
OK Gorilla J465 73.7oz 80ft/s 1,246ft/s 28.1G 4,962ft 13.4s 11s
OK Cesaroni J380 77.6oz 77ft/s 1,182ft/s 17.7G 4,986ft 13.6s 11s
OK Cesaroni J360 70.9oz 75ft/s 1,151ft/s 26.5G 5,001ft 13.5s 11s
OK AeroTech J540 70.2oz 102ft/s 1,327ft/s 33.6G 5,024ft 12.7s 11s
OK Gorilla J535 75.2oz 99ft/s 1,337ft/s 31.5G 5,050ft 13.2s 11s
OK Gorilla J485 74.0oz 83ft/s 1,279ft/s 26.4G 5,087ft 13.5s 11s
OK Loki J525 75.7oz 96ft/s 1,346ft/s 29.1G 5,104ft 13.3s 11s
OK Cesaroni J210 61.7oz 71ft/s 832ft/s 18.0G 5,105ft 14.7s 11s
OK Gorilla J395 72.9oz 74ft/s 1,186ft/s 20.4G 5,120ft 13.8s 11s
OK AeroTech J450 75.1oz 78ft/s 1,230ft/s 24.0G 5,159ft 13.8s 12s
OK AMW J440 75.4oz 116ft/s 1,274ft/s 37.6G 5,165ft 13.4s 11s
OK AeroTech J401 64.2oz 92ft/s 1,264ft/s 25.9G 5,218ft 13.1s 10s
OK AeroTech K2050 77.6oz 181ft/s 1,992ft/s 102.1G 5,221ft 12.7s 12s
OK AeroTech J800 70.3oz 120ft/s 1,523ft/s 47.8G 5,241ft 12.8s 11s
OK AMW J745 75.0oz 112ft/s 1,479ft/s 41.2G 5,268ft 13.3s 12s
OK AMW J395 76.7oz 80ft/s 1,149ft/s 21.1G 5,278ft 14.0s 11s
OK Cesaroni J760 70.0oz 125ft/s 1,599ft/s 45.4G 5,303ft 12.9s 11s
OK Gorilla J167 74.9oz 67ft/s 768ft/s 16.8G 5,415ft 15.3s 9s
OK AMW J325 75.4oz 91ft/s 1,024ft/s 24.9G 5,455ft 14.3s 11s
OK Cesaroni J355 73.4oz 81ft/s 1,151ft/s 20.3G 5,578ft 14.0s 11s
OK Cesaroni J449 71.6oz 88ft/s 1,342ft/s 27.3G 5,629ft 13.6s 11s
OK AeroTech J415 73.2oz 88ft/s 1,260ft/s 24.9G 5,638ft 13.7s 10s
OK Cesaroni J295 71.5oz 84ft/s 1,044ft/s 21.1G 5,847ft 14.4s 10s
OK AeroTech J135 72.2oz 56ft/s 847ft/s 11.1G 5,880ft 15.8s 8s
OK Cesaroni K360 75.5oz 74ft/s 1,225ft/s 17.7G 5,884ft 14.3s 11s
OK AeroTech K535 76.6oz 100ft/s 1,366ft/s 29.2G 5,943ft 13.8s 11s
OK Loki J300 78.4oz 75ft/s 1,048ft/s 17.6G 5,951ft 15.0s 11s
OK AeroTech K400 74.1oz 91ft/s 1,227ft/s 25.2G 6,087ft 14.6s 11s
OK Loki J175 76.1oz 79ft/s 888ft/s 19.0G 6,133ft 15.7s 9s
OK Cesaroni J140 77.1oz 53ft/s 789ft/s 8.9G 6,809ft 17.7s 8s

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

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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