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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 50 motors that fit and appear to have enough thrust (757 motors didn't fit, 4 motors failed safety checks). 54 motor had thrust curves available and 114 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 Patriot 2.6
Owner: Chris Scharrer
Body Diameter: 2.60in
Dry Weight: 685g
MMT Diameter: 38.0mm
MMT Length: 8.00in
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 Loki G69 925g 63ft/s 316ft/s 9.8G 1,196ft 8.4s 7s
OK AeroTech G67 886g 57ft/s 335ft/s 9.4G 1,237ft 8.6s 7s
OK AeroTech G61 879g 55ft/s 318ft/s 8.3G 1,238ft 8.6s 7s
OK AeroTech G339 866g 131ft/s 411ft/s 43.6G 1,268ft 8.0s 8s
OK Loki G70 927g 63ft/s 331ft/s 10.2G 1,296ft 8.7s 7s
OK Loki G80 940g 65ft/s 342ft/s 11.2G 1,303ft 8.6s 7s
OK Loki G94 925g 68ft/s 364ft/s 13.5G 1,353ft 8.6s 7s
OK Cesaroni G185 873g 85ft/s 448ft/s 22.8G 1,446ft 8.6s 8s
OK Cesaroni G79 911g 51ft/s 391ft/s 9.1G 1,454ft 9.1s 7s
OK Cesaroni G69 882g 56ft/s 369ft/s 9.0G 1,462ft 9.2s 7s
OK Loki G66 935g 66ft/s 359ft/s 11.7G 1,497ft 9.2s 7s
OK AeroTech G69 886g 56ft/s 397ft/s 8.3G 1,553ft 9.3s 7s
OK Cesaroni G60 891g 56ft/s 390ft/s 8.8G 1,590ft 9.5s 7s
OK Cesaroni G115 880g 72ft/s 452ft/s 14.2G 1,609ft 9.1s 8s
OK Cesaroni G78 882g 57ft/s 418ft/s 14.1G 1,638ft 9.5s 8s
OK AeroTech H73 994g 51ft/s 440ft/s 7.7G 2,014ft 10.6s 8s
warningsW AeroTech H283 932g 115ft/s 641ft/s 35.7G 2,100ft 9.6s 9s
OK Loki H100 1,020g 67ft/s 505ft/s 13.0G 2,111ft 10.3s 8s
OK AeroTech H669 937g 175ft/s 761ft/s 119.7G 2,232ft 9.6s 9s
OK AeroTech H130 922g 97ft/s 574ft/s 27.8G 2,234ft 10.0s 8s
OK AeroTech H148 994g 81ft/s 583ft/s 18.9G 2,240ft 10.3s 9s
OK AeroTech H219 946g 102ft/s 701ft/s 30.7G 2,400ft 10.2s 9s
OK AeroTech H123 960g 72ft/s 560ft/s 14.8G 2,422ft 10.7s 8s
OK Loki H144 1,021g 92ft/s 607ft/s 23.9G 2,430ft 10.5s 9s
OK AeroTech H100 946g 64ft/s 567ft/s 12.7G 2,439ft 10.8s 8s
OK Cesaroni H123 982g 64ft/s 632ft/s 14.1G 2,459ft 10.8s 9s
OK Cesaroni H143 1,032g 67ft/s 645ft/s 14.5G 2,469ft 10.8s 9s
OK Loki H125 1,027g 86ft/s 581ft/s 19.4G 2,478ft 10.8s 9s
OK Loki H90 1,020g 72ft/s 535ft/s 13.7G 2,492ft 11.1s 8s
OK AeroTech H242 949g 94ft/s 701ft/s 24.5G 2,500ft 10.4s 9s
OK Cesaroni H400 969g 120ft/s 825ft/s 45.8G 2,502ft 10.1s 10s
OK Loki H160 1,020g 103ft/s 653ft/s 27.9G 2,547ft 10.6s 9s
OK Cesaroni H225 878g 102ft/s 853ft/s 29.0G 2,685ft 10.3s 9s
OK Cesaroni H120 980g 66ft/s 659ft/s 14.4G 2,689ft 11.1s 9s
OK AeroTech H112 1,064g 58ft/s 560ft/s 9.6G 2,716ft 11.7s 8s
OK Cesaroni H125 978g 67ft/s 690ft/s 14.2G 2,732ft 11.1s 9s
OK Cesaroni H110 1,010g 63ft/s 644ft/s 11.1G 2,762ft 11.4s 9s
OK AeroTech H178 1,009g 79ft/s 766ft/s 19.8G 2,763ft 10.9s 9s
OK Cesaroni H152 983g 81ft/s 722ft/s 21.0G 2,784ft 11.0s 9s
OK AeroTech H550 1,001g 158ft/s 983ft/s 66.4G 2,785ft 10.3s 10s
OK AeroTech H999 1,016g 202ft/s 1,032ft/s 160.9G 2,829ft 10.4s 10s
OK Cesaroni H100 1,012g 63ft/s 648ft/s 10.9G 2,925ft 11.7s 9s
OK AeroTech I218 1,057g 98ft/s 804ft/s 26.8G 2,951ft 11.0s 10s
OK AeroTech H170 1,015g 87ft/s 779ft/s 19.1G 3,006ft 11.2s 9s
OK AeroTech I180 1,070g 114ft/s 735ft/s 33.7G 3,019ft 11.2s 9s
OK AeroTech I161 1,051g 84ft/s 756ft/s 20.1G 3,100ft 11.4s 9s
OK AeroTech I245 1,050g 117ft/s 847ft/s 39.1G 3,108ft 11.0s 10s
OK AeroTech I357 1,028g 114ft/s 910ft/s 36.8G 3,111ft 11.0s 10s
OK AeroTech I140 1,041g 77ft/s 728ft/s 16.5G 3,217ft 11.7s 9s
OK AeroTech H45 1,050g 52ft/s 517ft/s 7.2G 3,404ft 13.4s 7s

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
failedG Cesaroni G46 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (39ft/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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