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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 136 motors that fit and appear to have enough thrust (623 motors didn't fit, 32 motors failed safety checks). 168 motor had thrust curves available and 344 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 Super DX3
Owner: Louie Berlin
Body Diameter: 4.00in
Dry Weight: 5.00lb
MMT Diameter: 38.0mm
MMT Length: 36.00in
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 Contrail G234 6.20lb 95ft/s 121ft/s 18.7G 250ft 4.0s 3s
OK AeroTech G339 5.40lb 85ft/s 139ft/s 14.7G 288ft 4.3s 4s
OK Contrail G123 6.13lb 57ft/s 131ft/s 12.1G 331ft 4.8s 4s
OK Cesaroni G185 5.42lb 59ft/s 148ft/s 7.5G 339ft 4.8s 4s
OK Contrail G100 6.13lb 53ft/s 127ft/s 5.7G 340ft 5.0s 4s
OK Contrail H300 6.35lb 93ft/s 164ft/s 24.3G 424ft 5.2s 5s
OK Contrail H222 6.15lb 80ft/s 163ft/s 23.8G 427ft 5.2s 5s
OK Contrail H303 6.30lb 101ft/s 176ft/s 26.8G 475ft 5.4s 5s
OK Contrail H211 6.32lb 90ft/s 201ft/s 21.4G 635ft 6.3s 5s
OK Contrail H121 6.35lb 56ft/s 195ft/s 8.4G 697ft 7.0s 5s
OK Contrail H246 6.32lb 89ft/s 220ft/s 17.9G 711ft 6.6s 6s
warningsW AeroTech H283 5.54lb 78ft/s 233ft/s 12.6G 713ft 6.6s 6s
OK AeroTech H148 5.68lb 58ft/s 218ft/s 6.7G 743ft 7.1s 6s
OK AeroTech H130 5.52lb 68ft/s 213ft/s 9.6G 760ft 7.0s 5s
OK Contrail H141 6.35lb 65ft/s 219ft/s 8.4G 788ft 7.2s 5s
OK AeroTech H123 5.61lb 49ft/s 208ft/s 5.0G 809ft 7.6s 5s
OK AeroTech H669 5.56lb 122ft/s 277ft/s 43.8G 841ft 6.9s 7s
OK Contrail H248 6.75lb 83ft/s 240ft/s 22.1G 844ft 7.2s 6s
OK Loki H125 5.75lb 57ft/s 227ft/s 7.0G 875ft 7.7s 6s
OK Loki H144 5.74lb 66ft/s 237ft/s 8.7G 879ft 7.5s 6s
OK AeroTech H219 5.58lb 72ft/s 264ft/s 10.8G 899ft 7.4s 6s
OK AeroTech H242 5.58lb 65ft/s 265ft/s 8.6G 944ft 7.7s 6s
OK Loki H160 5.74lb 72ft/s 260ft/s 10.3G 973ft 7.7s 6s
OK Cesaroni H120 5.65lb 49ft/s 252ft/s 4.9G 988ft 8.3s 6s
OK Cesaroni H400 5.63lb 88ft/s 307ft/s 16.7G 1,012ft 7.6s 7s
OK Contrail H277 6.57lb 90ft/s 277ft/s 24.9G 1,034ft 7.9s 7s
OK Contrail H340 6.80lb 93ft/s 286ft/s 28.7G 1,063ft 8.0s 7s
OK Cesaroni H152 5.66lb 55ft/s 281ft/s 7.4G 1,102ft 8.5s 7s
OK AeroTech H178 5.71lb 54ft/s 298ft/s 7.4G 1,128ft 8.5s 7s
OK Cesaroni H225 5.43lb 69ft/s 314ft/s 9.7G 1,132ft 8.2s 7s
OK Contrail I500 6.76lb 125ft/s 327ft/s 32.8G 1,211ft 8.2s 8s
OK AeroTech I218 5.82lb 71ft/s 330ft/s 10.0G 1,291ft 8.8s 7s
OK AeroTech H170 5.73lb 57ft/s 317ft/s 7.0G 1,298ft 9.0s 7s
OK AeroTech H550 5.71lb 113ft/s 375ft/s 24.5G 1,302ft 8.4s 8s
OK AeroTech H550 5.70lb 113ft/s 378ft/s 24.7G 1,307ft 8.4s 8s
warningsW Cesaroni H565 5.80lb 106ft/s 381ft/s 23.5G 1,321ft 8.5s 8s
OK AeroTech I180 5.85lb 81ft/s 313ft/s 12.9G 1,331ft 8.8s 7s
OK AeroTech H999 5.73lb 148ft/s 396ft/s 62.1G 1,336ft 8.4s 8s
OK Contrail I221 6.57lb 87ft/s 314ft/s 15.5G 1,350ft 8.9s 7s
OK AeroTech I161 5.81lb 60ft/s 317ft/s 7.4G 1,358ft 9.2s 7s
OK Cesaroni I180 5.87lb 54ft/s 339ft/s 7.0G 1,381ft 9.3s 7s
OK AeroTech I140 5.78lb 53ft/s 309ft/s 6.0G 1,392ft 9.5s 7s
OK AeroTech I225 6.07lb 60ft/s 354ft/s 9.2G 1,458ft 9.3s 8s
OK AeroTech I245 5.80lb 86ft/s 361ft/s 15.0G 1,463ft 9.1s 8s
OK AeroTech I357 5.76lb 83ft/s 375ft/s 13.8G 1,473ft 9.1s 8s
OK Cesaroni I212 6.05lb 60ft/s 365ft/s 8.3G 1,483ft 9.5s 8s
OK AeroTech I154 6.08lb 49ft/s 314ft/s 5.2G 1,544ft 10.2s 7s
OK Cesaroni I566 5.85lb 103ft/s 436ft/s 22.7G 1,558ft 9.0s 8s
OK Contrail I747 6.85lb 167ft/s 431ft/s 61.3G 1,638ft 9.2s 9s
OK Cesaroni I195 5.92lb 62ft/s 384ft/s 8.0G 1,659ft 9.9s 8s
OK Contrail I250 6.60lb 84ft/s 379ft/s 18.5G 1,686ft 9.7s 8s
OK Cesaroni I345 5.87lb 80ft/s 436ft/s 13.9G 1,688ft 9.6s 8s
OK Cesaroni I170 5.86lb 59ft/s 392ft/s 7.6G 1,714ft 10.1s 8s
OK AeroTech I285 6.09lb 78ft/s 420ft/s 12.9G 1,716ft 9.7s 8s
OK Cesaroni I175 5.96lb 56ft/s 384ft/s 6.2G 1,722ft 10.2s 8s
OK Cesaroni I800 6.01lb 122ft/s 489ft/s 31.9G 1,737ft 9.4s 9s
OK Cesaroni I236 5.88lb 68ft/s 415ft/s 10.9G 1,759ft 10.0s 8s
OK AeroTech I1299 5.93lb 166ft/s 511ft/s 56.6G 1,778ft 9.3s 9s
OK AeroTech I305 6.28lb 80ft/s 433ft/s 13.6G 1,811ft 9.9s 8s
OK Cesaroni I223 6.09lb 61ft/s 422ft/s 8.4G 1,814ft 10.2s 8s
OK AeroTech I211 6.00lb 72ft/s 405ft/s 11.0G 1,816ft 10.1s 8s
OK AeroTech I195 6.26lb 75ft/s 403ft/s 12.0G 1,834ft 10.2s 8s
OK AeroTech I300 5.97lb 85ft/s 442ft/s 16.5G 1,837ft 9.9s 8s
OK Loki I316 6.19lb 95ft/s 460ft/s 17.2G 1,962ft 10.1s 9s
warningsW Loki I110 6.30lb 52ft/s 362ft/s 8.4G 2,005ft 11.2s 7s
OK Cesaroni I287 6.33lb 70ft/s 476ft/s 11.0G 2,013ft 10.5s 9s
OK Loki I210 6.19lb 80ft/s 436ft/s 15.1G 2,054ft 10.5s 8s
OK Loki I405 6.20lb 114ft/s 502ft/s 28.1G 2,060ft 10.1s 9s
OK AeroTech I59 6.07lb 49ft/s 238ft/s 5.2G 2,071ft 13.1s 5s
OK Cesaroni I285 6.12lb 75ft/s 492ft/s 12.0G 2,135ft 10.7s 9s
OK Cesaroni I255 6.14lb 72ft/s 487ft/s 10.6G 2,167ft 10.8s 9s
OK Loki I377 6.23lb 102ft/s 509ft/s 22.7G 2,168ft 10.4s 9s
OK Loki I430 6.19lb 93ft/s 543ft/s 18.3G 2,170ft 10.5s 9s
OK Contrail I155 6.60lb 58ft/s 408ft/s 6.6G 2,206ft 11.6s 8s
OK AeroTech I327 6.38lb 82ft/s 521ft/s 14.2G 2,216ft 10.7s 9s
OK AeroTech I366 6.22lb 92ft/s 529ft/s 16.6G 2,219ft 10.6s 9s
OK AMW I297 6.30lb 76ft/s 514ft/s 12.3G 2,226ft 10.8s 9s
OK AeroTech I364 6.49lb 79ft/s 518ft/s 13.3G 2,232ft 10.7s 9s
OK Cesaroni I470 6.09lb 95ft/s 570ft/s 19.6G 2,239ft 10.5s 9s
OK Cesaroni I303 6.10lb 77ft/s 521ft/s 14.2G 2,260ft 10.8s 9s
OK AeroTech I280 6.36lb 72ft/s 520ft/s 10.9G 2,296ft 11.0s 9s
OK Cesaroni I242 6.21lb 67ft/s 501ft/s 9.3G 2,300ft 11.2s 9s
OK KBA I550 6.57lb 99ft/s 636ft/s 22.5G 2,314ft 10.4s 9s
OK KBA I301 6.60lb 74ft/s 553ft/s 13.0G 2,336ft 10.8s 9s
OK AeroTech I435 6.14lb 111ft/s 578ft/s 26.7G 2,351ft 10.6s 9s
OK Cesaroni I125 6.43lb 57ft/s 395ft/s 8.4G 2,384ft 12.2s 8s
OK Cesaroni I350 6.72lb 77ft/s 553ft/s 12.4G 2,391ft 11.1s 9s
OK AeroTech I284 6.22lb 89ft/s 550ft/s 16.5G 2,415ft 11.0s 9s
OK AeroTech I500 6.27lb 99ft/s 625ft/s 19.7G 2,519ft 10.9s 10s
warningsW Cesaroni I540 6.32lb 107ft/s 649ft/s 21.5G 2,549ft 10.9s 10s
OK AeroTech I600 6.33lb 113ft/s 646ft/s 28.1G 2,557ft 10.9s 10s
OK Loki J396 6.66lb 82ft/s 605ft/s 17.1G 2,579ft 11.3s 10s
OK AeroTech I350 6.36lb 85ft/s 621ft/s 16.2G 2,600ft 11.2s 10s
OK AeroTech J420 6.43lb 94ft/s 616ft/s 18.5G 2,601ft 11.2s 10s
OK KBA J740 6.60lb 121ft/s 685ft/s 30.7G 2,604ft 11.0s 10s
OK AeroTech J350 6.47lb 111ft/s 618ft/s 27.6G 2,617ft 11.1s 10s
OK Cesaroni J335 6.38lb 83ft/s 596ft/s 13.5G 2,622ft 11.4s 9s
OK Cesaroni J381 6.52lb 91ft/s 610ft/s 16.4G 2,623ft 11.3s 9s
OK AeroTech J340 6.27lb 91ft/s 606ft/s 20.5G 2,635ft 11.2s 9s
OK Cesaroni I216 6.32lb 71ft/s 524ft/s 11.0G 2,636ft 11.8s 9s
OK Cesaroni J285 6.31lb 77ft/s 578ft/s 12.0G 2,654ft 11.6s 9s
OK Cesaroni J357 6.32lb 85ft/s 618ft/s 17.3G 2,663ft 11.4s 10s
OK Cesaroni J270 6.44lb 69ft/s 571ft/s 9.3G 2,665ft 11.8s 9s
OK Cesaroni J316 6.34lb 82ft/s 585ft/s 14.5G 2,673ft 11.5s 9s
OK AeroTech J425 6.39lb 80ft/s 658ft/s 14.6G 2,718ft 11.4s 10s
OK Cesaroni J400 6.55lb 86ft/s 642ft/s 15.2G 2,765ft 11.5s 10s
OK Cesaroni J290 6.45lb 78ft/s 593ft/s 12.7G 2,766ft 11.8s 9s
OK AeroTech J520 6.70lb 124ft/s 659ft/s 33.3G 2,774ft 11.3s 10s
OK AeroTech J500 6.44lb 111ft/s 686ft/s 26.6G 2,833ft 11.3s 10s
OK AeroTech J270 6.42lb 74ft/s 595ft/s 11.5G 2,837ft 11.9s 9s
OK Loki J528 6.64lb 117ft/s 711ft/s 33.6G 2,860ft 11.3s 10s
OK AeroTech J575 7.02lb 116ft/s 724ft/s 27.1G 2,930ft 11.4s 10s
OK Cesaroni J410 6.62lb 91ft/s 689ft/s 16.3G 3,012ft 11.9s 10s
OK AeroTech J435 6.38lb 102ft/s 712ft/s 23.3G 3,014ft 11.7s 10s
OK Cesaroni J330 6.55lb 84ft/s 656ft/s 14.8G 3,014ft 12.0s 10s
OK Loki J712 6.66lb 119ft/s 772ft/s 28.7G 3,027ft 11.6s 10s
OK Cesaroni J425 6.54lb 98ft/s 701ft/s 22.0G 3,031ft 11.8s 10s
OK Cesaroni J520 6.87lb 97ft/s 755ft/s 20.4G 3,155ft 11.9s 10s
OK Loki J320 6.66lb 84ft/s 661ft/s 16.9G 3,163ft 12.3s 10s
OK Cesaroni J354 6.72lb 87ft/s 671ft/s 16.4G 3,163ft 12.2s 10s
OK Cesaroni J580 7.30lb 98ft/s 772ft/s 19.6G 3,243ft 12.1s 10s
OK Loki J650 7.52lb 104ft/s 797ft/s 24.2G 3,352ft 12.1s 11s
OK AeroTech J825 6.93lb 129ft/s 900ft/s 37.2G 3,407ft 11.9s 11s
OK Cesaroni J595 6.91lb 110ft/s 837ft/s 28.6G 3,529ft 12.2s 11s
OK Cesaroni J600 7.00lb 103ft/s 865ft/s 22.3G 3,543ft 12.3s 11s
OK Cesaroni J394 7.07lb 82ft/s 772ft/s 13.1G 3,576ft 12.8s 10s
OK AeroTech J570 6.99lb 127ft/s 811ft/s 36.1G 3,647ft 12.3s 10s
OK Cesaroni J453 7.13lb 99ft/s 792ft/s 21.9G 3,649ft 12.6s 10s
OK Cesaroni J420 6.93lb 104ft/s 785ft/s 24.5G 3,667ft 12.6s 10s
OK Cesaroni J150 7.10lb 59ft/s 521ft/s 9.3G 3,800ft 14.7s 8s
OK Cesaroni J530 7.15lb 113ft/s 872ft/s 24.3G 3,862ft 12.7s 11s
OK Loki J1000 7.52lb 139ft/s 1,025ft/s 40.9G 3,965ft 12.5s 11s
OK AeroTech J510 7.38lb 115ft/s 870ft/s 30.7G 3,995ft 12.8s 10s
OK Loki J1026 7.58lb 136ft/s 1,067ft/s 34.4G 4,077ft 12.7s 11s
OK Loki K1127 7.58lb 143ft/s 1,051ft/s 39.7G 4,092ft 12.7s 11s
OK Loki K627 7.72lb 117ft/s 1,035ft/s 27.8G 4,767ft 13.6s 11s

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
failedA Contrail G130 rocket doesn't reach a safe altitude (182ft)
failedG AeroTech G67 speed at end of launch guide too slow (37ft/s)
failedG Loki G69 speed at end of launch guide too slow (38ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (34ft/s)
failedG Loki G70 speed at end of launch guide too slow (39ft/s)
failedG Loki G94 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (34ft/s)
failedG Loki G80 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (27ft/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 (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (25ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (189ft)
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 Loki H90 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H143 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 (42ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni J94 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.)

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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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