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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 153 motors that fit and appear to have enough thrust (608 motors didn't fit, 30 motors failed safety checks). 183 motor had thrust curves available and 373 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 Pac-3
Owner: Stephen J. Harper
Body Diameter: 4.00in
Dry Weight: 60.0oz
MMT Diameter: 38.0mm
MMT Length: 78.50in
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 Contrail G130 78.2oz 59ft/s 123ft/s 23.6G 279ft 4.3s 3s
OK Contrail G300 79.2oz 109ft/s 139ft/s 36.0G 280ft 4.1s 4s
OK Contrail G234 79.2oz 93ft/s 155ft/s 23.7G 366ft 4.8s 4s
OK AeroTech G339 66.4oz 87ft/s 183ft/s 19.4G 435ft 5.1s 5s
OK Contrail G123 78.0oz 57ft/s 170ft/s 15.4G 485ft 5.7s 5s
OK Contrail G100 78.0oz 53ft/s 167ft/s 7.4G 502ft 5.8s 4s
OK Cesaroni G185 66.6oz 59ft/s 197ft/s 10.0G 512ft 5.7s 5s
OK Contrail H300 81.6oz 104ft/s 207ft/s 30.5G 589ft 5.9s 5s
OK Contrail H222 78.3oz 82ft/s 206ft/s 30.1G 598ft 6.0s 5s
OK Contrail H303 80.8oz 112ft/s 222ft/s 33.7G 649ft 6.2s 6s
OK Contrail H211 81.2oz 90ft/s 252ft/s 26.9G 842ft 7.0s 6s
OK Contrail H246 81.1oz 87ft/s 276ft/s 22.6G 927ft 7.3s 6s
OK Contrail H121 81.6oz 55ft/s 247ft/s 10.7G 937ft 7.7s 6s
warningsW AeroTech H283 68.7oz 76ft/s 302ft/s 16.5G 942ft 7.3s 7s
OK AeroTech H148 70.9oz 57ft/s 282ft/s 8.8G 994ft 7.8s 6s
OK AeroTech H130 68.4oz 67ft/s 275ft/s 12.6G 1,010ft 7.7s 6s
OK Contrail H141 81.6oz 64ft/s 276ft/s 10.7G 1,028ft 7.9s 6s
OK AeroTech H669 68.9oz 123ft/s 358ft/s 56.8G 1,064ft 7.4s 7s
OK Contrail H248 88.0oz 86ft/s 296ft/s 27.3G 1,069ft 7.8s 7s
OK AeroTech H123 69.7oz 49ft/s 270ft/s 6.7G 1,086ft 8.3s 6s
OK Loki H90 71.8oz 48ft/s 263ft/s 6.3G 1,107ft 8.5s 6s
OK Loki H144 71.9oz 66ft/s 303ft/s 11.4G 1,134ft 8.1s 6s
OK Loki H125 72.1oz 57ft/s 290ft/s 9.2G 1,141ft 8.3s 6s
OK AeroTech H219 69.2oz 73ft/s 341ft/s 14.2G 1,143ft 7.9s 7s
OK AeroTech H242 69.3oz 64ft/s 340ft/s 11.3G 1,199ft 8.2s 7s
OK Loki H160 71.8oz 70ft/s 329ft/s 13.5G 1,225ft 8.2s 7s
OK Cesaroni H400 70.0oz 85ft/s 395ft/s 21.7G 1,245ft 8.1s 7s
OK Contrail H277 85.0oz 98ft/s 341ft/s 31.0G 1,276ft 8.4s 7s
OK Contrail H340 88.8oz 99ft/s 350ft/s 35.4G 1,307ft 8.5s 8s
OK Cesaroni H152 70.5oz 55ft/s 358ft/s 9.8G 1,374ft 8.9s 7s
OK Cesaroni H225 66.8oz 69ft/s 405ft/s 12.9G 1,381ft 8.5s 7s
OK AeroTech H178 71.4oz 53ft/s 379ft/s 9.6G 1,391ft 8.9s 7s
OK Contrail I500 88.2oz 116ft/s 398ft/s 40.5G 1,437ft 8.6s 8s
OK AeroTech H550 71.1oz 112ft/s 482ft/s 31.9G 1,514ft 8.5s 8s
OK AeroTech H550 71.4oz 111ft/s 477ft/s 31.7G 1,514ft 8.6s 8s
warningsW Cesaroni H565 72.8oz 105ft/s 485ft/s 29.6G 1,532ft 8.6s 8s
OK AeroTech H999 71.7oz 145ft/s 506ft/s 79.7G 1,535ft 8.5s 8s
OK AeroTech I218 73.1oz 70ft/s 414ft/s 13.1G 1,537ft 9.0s 8s
OK AeroTech H170 71.6oz 57ft/s 398ft/s 9.1G 1,561ft 9.3s 7s
OK AeroTech I180 73.6oz 78ft/s 387ft/s 16.7G 1,580ft 9.1s 7s
OK Contrail I221 85.0oz 85ft/s 380ft/s 19.3G 1,606ft 9.3s 8s
OK AeroTech I161 72.9oz 60ft/s 393ft/s 9.7G 1,620ft 9.4s 7s
OK Cesaroni I180 73.9oz 54ft/s 425ft/s 8.9G 1,638ft 9.5s 7s
OK AeroTech I140 72.6oz 53ft/s 382ft/s 7.9G 1,670ft 9.7s 7s
OK AeroTech I245 72.9oz 81ft/s 446ft/s 19.3G 1,687ft 9.2s 8s
OK AeroTech I357 72.1oz 80ft/s 469ft/s 17.9G 1,696ft 9.2s 8s
OK AeroTech I225 77.1oz 59ft/s 438ft/s 11.5G 1,697ft 9.5s 8s
OK Cesaroni I212 76.8oz 58ft/s 453ft/s 10.4G 1,726ft 9.6s 8s
OK Cesaroni I566 73.6oz 98ft/s 552ft/s 29.0G 1,751ft 9.1s 8s
OK AeroTech I154 77.4oz 48ft/s 384ft/s 6.8G 1,841ft 10.5s 7s
OK Contrail I747 89.6oz 160ft/s 523ft/s 75.3G 1,841ft 9.4s 9s
OK Contrail I400 92.6oz 103ft/s 475ft/s 33.5G 1,848ft 9.7s 9s
OK Contrail I290 91.2oz 73ft/s 446ft/s 18.7G 1,879ft 10.0s 8s
OK Cesaroni I345 73.9oz 81ft/s 542ft/s 18.0G 1,892ft 9.6s 8s
OK Cesaroni I195 74.7oz 61ft/s 471ft/s 10.4G 1,902ft 10.0s 8s
OK Cesaroni I800 76.1oz 118ft/s 615ft/s 39.7G 1,903ft 9.3s 9s
OK AeroTech I285 77.4oz 75ft/s 515ft/s 16.5G 1,926ft 9.7s 8s
OK AeroTech I1299 74.9oz 158ft/s 645ft/s 71.8G 1,927ft 9.2s 9s
OK Contrail I250 85.5oz 79ft/s 456ft/s 23.1G 1,929ft 9.9s 8s
OK Cesaroni I170 73.8oz 59ft/s 481ft/s 9.9G 1,956ft 10.1s 8s
OK Cesaroni I175 75.4oz 55ft/s 470ft/s 8.0G 1,973ft 10.3s 8s
OK Cesaroni I236 74.1oz 69ft/s 509ft/s 14.1G 1,978ft 10.0s 8s
OK AeroTech I305 80.5oz 76ft/s 526ft/s 17.2G 2,000ft 9.8s 8s
OK AeroTech I300 75.6oz 84ft/s 540ft/s 21.2G 2,032ft 9.8s 8s
OK Cesaroni I223 77.4oz 60ft/s 515ft/s 10.8G 2,033ft 10.2s 8s
OK AeroTech I211 76.0oz 70ft/s 490ft/s 14.1G 2,034ft 10.1s 8s
OK AeroTech I195 80.2oz 73ft/s 486ft/s 15.2G 2,051ft 10.1s 8s
OK Loki I316 79.0oz 93ft/s 555ft/s 21.8G 2,143ft 10.0s 9s
OK Cesaroni I287 81.3oz 68ft/s 575ft/s 13.6G 2,198ft 10.3s 9s
OK Contrail I210 90.7oz 81ft/s 443ft/s 17.5G 2,208ft 10.8s 8s
OK Loki I405 79.2oz 115ft/s 607ft/s 35.5G 2,212ft 9.9s 9s
OK Loki I210 79.0oz 81ft/s 521ft/s 19.1G 2,255ft 10.4s 8s
warningsW Loki I110 80.8oz 51ft/s 433ft/s 10.8G 2,280ft 11.3s 7s
OK Cesaroni I285 77.8oz 71ft/s 592ft/s 15.3G 2,310ft 10.5s 9s
OK Loki I430 79.0oz 85ft/s 661ft/s 23.2G 2,322ft 10.2s 9s
OK Loki I377 79.8oz 105ft/s 609ft/s 28.7G 2,322ft 10.2s 9s
OK KBA I550 85.1oz 93ft/s 776ft/s 27.8G 2,347ft 9.8s 9s
OK Cesaroni I255 78.2oz 71ft/s 584ft/s 13.5G 2,350ft 10.6s 9s
OK AeroTech I366 79.6oz 89ft/s 635ft/s 21.1G 2,364ft 10.3s 9s
OK Cesaroni I470 77.5oz 98ft/s 695ft/s 24.9G 2,366ft 10.2s 9s
OK AeroTech I327 82.2oz 82ft/s 627ft/s 17.9G 2,368ft 10.4s 9s
OK Contrail I333 92.8oz 88ft/s 552ft/s 32.7G 2,380ft 10.8s 9s
OK AeroTech I364 83.9oz 74ft/s 618ft/s 16.5G 2,381ft 10.4s 9s
OK AMW I297 80.8oz 74ft/s 617ft/s 15.6G 2,387ft 10.5s 9s
OK Cesaroni I303 77.6oz 79ft/s 626ft/s 18.1G 2,416ft 10.5s 9s
OK KBA I301 85.6oz 72ft/s 657ft/s 16.4G 2,418ft 10.3s 8s
OK AeroTech I280 81.7oz 70ft/s 620ft/s 13.8G 2,456ft 10.7s 9s
OK AeroTech I435 78.3oz 111ft/s 696ft/s 33.8G 2,462ft 10.2s 9s
OK Cesaroni I242 79.4oz 68ft/s 595ft/s 11.9G 2,479ft 10.9s 9s
OK Contrail I155 85.6oz 55ft/s 480ft/s 8.3G 2,483ft 11.7s 8s
OK AeroTech I59 77.2oz 48ft/s 298ft/s 6.8G 2,506ft 13.5s 5s
OK Contrail I307 88.6oz 99ft/s 591ft/s 27.7G 2,514ft 10.8s 9s
OK Contrail I727 92.8oz 155ft/s 682ft/s 63.4G 2,526ft 10.5s 10s
OK Cesaroni I350 87.6oz 77ft/s 656ft/s 15.5G 2,535ft 10.8s 9s
OK AeroTech I284 79.6oz 88ft/s 652ft/s 20.8G 2,543ft 10.6s 9s
OK AeroTech I500 80.3oz 95ft/s 752ft/s 24.8G 2,609ft 10.5s 9s
warningsW Cesaroni I540 81.1oz 101ft/s 781ft/s 27.0G 2,627ft 10.5s 9s
OK AeroTech I600 81.2oz 111ft/s 774ft/s 35.4G 2,632ft 10.4s 9s
OK Cesaroni I125 82.8oz 58ft/s 460ft/s 10.6G 2,650ft 12.0s 7s
OK KBA J740 85.5oz 112ft/s 828ft/s 37.8G 2,680ft 10.5s 10s
OK Loki J396 86.5oz 77ft/s 716ft/s 20.7G 2,692ft 10.9s 9s
OK AeroTech I350 81.7oz 84ft/s 736ft/s 20.2G 2,697ft 10.8s 9s
OK AeroTech J420 82.9oz 90ft/s 728ft/s 23.2G 2,699ft 10.8s 9s
OK AeroTech J350 83.5oz 107ft/s 730ft/s 34.5G 2,703ft 10.6s 9s
OK Cesaroni J381 84.3oz 89ft/s 721ft/s 20.6G 2,724ft 10.8s 9s
OK AeroTech J340 80.4oz 95ft/s 715ft/s 25.9G 2,730ft 10.7s 9s
OK Cesaroni J335 82.1oz 78ft/s 702ft/s 17.0G 2,738ft 11.0s 9s
OK Cesaroni J357 81.2oz 84ft/s 728ft/s 21.8G 2,762ft 10.9s 9s
OK Cesaroni J285 81.0oz 76ft/s 679ft/s 15.0G 2,780ft 11.1s 9s
OK Cesaroni I216 81.2oz 67ft/s 611ft/s 14.0G 2,801ft 11.4s 8s
OK AeroTech J425 82.3oz 79ft/s 781ft/s 18.2G 2,802ft 10.9s 9s
OK Cesaroni J270 83.1oz 65ft/s 667ft/s 11.7G 2,805ft 11.3s 9s
OK Cesaroni J316 81.4oz 77ft/s 688ft/s 18.3G 2,806ft 11.1s 9s
OK AeroTech J520 87.2oz 117ft/s 775ft/s 41.2G 2,840ft 10.8s 9s
OK Cesaroni J400 84.8oz 84ft/s 754ft/s 18.9G 2,850ft 11.0s 9s
OK Cesaroni J290 83.3oz 76ft/s 692ft/s 16.0G 2,883ft 11.3s 9s
OK AeroTech J500 83.1oz 111ft/s 806ft/s 33.3G 2,884ft 10.8s 9s
OK Loki J528 86.3oz 114ft/s 842ft/s 41.6G 2,904ft 10.8s 10s
OK Contrail J150 91.4oz 59ft/s 510ft/s 9.5G 2,912ft 12.4s 8s
OK Contrail J246 90.4oz 84ft/s 588ft/s 19.8G 2,916ft 11.8s 9s
OK AeroTech J575 92.2oz 110ft/s 851ft/s 33.2G 2,945ft 10.8s 10s
OK AeroTech J270 82.6oz 71ft/s 694ft/s 14.6G 2,949ft 11.4s 9s
OK Contrail J333 97.5oz 100ft/s 602ft/s 28.2G 3,029ft 11.8s 9s
OK Loki J712 86.5oz 117ft/s 915ft/s 35.6G 3,049ft 11.0s 10s
OK AeroTech J435 82.0oz 103ft/s 833ft/s 29.3G 3,053ft 11.1s 9s
OK Cesaroni J410 85.9oz 88ft/s 801ft/s 20.4G 3,072ft 11.3s 9s
OK Cesaroni J425 84.7oz 93ft/s 816ft/s 27.4G 3,078ft 11.2s 9s
OK Cesaroni J330 84.8oz 82ft/s 760ft/s 18.6G 3,094ft 11.4s 9s
OK Contrail J555 99.9oz 133ft/s 732ft/s 47.3G 3,122ft 11.6s 10s
OK Contrail J242 97.6oz 78ft/s 590ft/s 15.5G 3,163ft 12.3s 9s
OK Cesaroni J520 90.0oz 98ft/s 879ft/s 25.2G 3,174ft 11.3s 10s
OK RATT J160 79.2oz 64ft/s 503ft/s 10.9G 3,177ft 12.9s 8s
OK Cesaroni J354 87.4oz 85ft/s 770ft/s 20.4G 3,227ft 11.6s 9s
OK Loki J320 86.5oz 82ft/s 759ft/s 21.0G 3,249ft 11.7s 9s
OK Cesaroni J580 96.8oz 90ft/s 894ft/s 23.9G 3,261ft 11.5s 10s
OK AeroTech J825 90.9oz 131ft/s 1,050ft/s 45.6G 3,352ft 11.2s 10s
OK Loki J650 100.3oz 100ft/s 924ft/s 28.2G 3,362ft 11.5s 10s
OK Contrail J800 100.5oz 159ft/s 869ft/s 64.1G 3,429ft 11.8s 11s
OK Cesaroni J595 90.5oz 108ft/s 962ft/s 35.2G 3,494ft 11.5s 10s
OK Cesaroni J600 92.0oz 101ft/s 997ft/s 27.4G 3,503ft 11.5s 10s
OK Cesaroni J394 93.1oz 76ft/s 877ft/s 16.2G 3,596ft 12.1s 10s
OK AeroTech J570 91.8oz 130ft/s 922ft/s 44.2G 3,614ft 11.6s 10s
OK Contrail J345 99.4oz 98ft/s 720ft/s 30.4G 3,623ft 12.5s 10s
OK Cesaroni J453 94.0oz 99ft/s 899ft/s 26.8G 3,642ft 11.9s 10s
OK Cesaroni J420 90.8oz 96ft/s 893ft/s 30.1G 3,670ft 11.9s 9s
OK Cesaroni J530 94.5oz 111ft/s 989ft/s 29.7G 3,811ft 11.9s 10s
OK Contrail J222 96.8oz 78ft/s 639ft/s 19.2G 3,832ft 13.5s 9s
OK Loki J1000 100.3oz 136ft/s 1,179ft/s 49.2G 3,866ft 11.7s 11s
OK AeroTech J510 98.1oz 110ft/s 979ft/s 37.1G 3,943ft 12.0s 10s
OK Loki J1026 101.3oz 125ft/s 1,223ft/s 41.4G 3,965ft 11.9s 11s
OK Loki K1127 101.3oz 129ft/s 1,204ft/s 47.8G 3,972ft 11.8s 10s
OK Cesaroni J150 93.5oz 57ft/s 580ft/s 11.5G 4,006ft 14.2s 8s
OK Loki K627 103.6oz 110ft/s 1,148ft/s 33.4G 4,653ft 12.7s 10s

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 AeroTech G67 speed at end of launch guide too slow (38ft/s)
failedG Loki G69 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (35ft/s)
failedG Loki G70 speed at end of launch guide too slow (41ft/s)
failedG Loki G94 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (35ft/s)
failedG Loki G80 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (34ft/s)
failedG Loki G66 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (27ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (33ft/s)
failedG Loki H100 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (44ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (35ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni J94 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.)

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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