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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 89 motors that fit and appear to have enough thrust (656 motors didn't fit, 46 motors failed safety checks). 135 motor had thrust curves available and 282 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:   Jimbo Jart
Owner: Wayne Comfort
Body Diameter: 4.00in
Dry Weight: 6.80lb
MMT Diameter: 38.0mm
MMT Length: 17.00in
CD: 0.40

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 H222 7.95lb 69ft/s 123ft/s 18.2G 281ft 4.4s 4s
warningsW AeroTech H283 7.34lb 68ft/s 173ft/s 9.3G 497ft 5.8s 5s
OK AeroTech H148 7.48lb 49ft/s 160ft/s 4.8G 505ft 6.2s 5s
OK AeroTech H130 7.32lb 57ft/s 157ft/s 7.0G 522ft 6.2s 5s
OK Loki H125 7.55lb 49ft/s 169ft/s 5.1G 617ft 6.8s 5s
OK AeroTech H669 7.36lb 105ft/s 208ft/s 32.8G 629ft 6.3s 6s
OK Loki H144 7.54lb 56ft/s 179ft/s 6.4G 633ft 6.7s 5s
OK AeroTech H219 7.38lb 62ft/s 198ft/s 7.9G 660ft 6.7s 6s
OK AeroTech H242 7.38lb 56ft/s 198ft/s 6.3G 694ft 7.0s 6s
OK Loki H160 7.54lb 60ft/s 197ft/s 7.6G 728ft 7.1s 6s
OK Cesaroni H400 7.43lb 77ft/s 231ft/s 12.5G 788ft 7.1s 6s
OK Cesaroni H225 7.23lb 58ft/s 236ft/s 7.0G 887ft 7.8s 7s
OK AeroTech H170 7.53lb 49ft/s 243ft/s 5.2G 1,045ft 8.7s 7s
OK AeroTech I218 7.62lb 61ft/s 255ft/s 7.4G 1,064ft 8.5s 7s
OK AeroTech I180 7.65lb 69ft/s 246ft/s 9.6G 1,107ft 8.6s 7s
OK AeroTech I161 7.61lb 51ft/s 246ft/s 5.5G 1,112ft 9.0s 7s
OK AeroTech H550 7.51lb 95ft/s 286ft/s 18.4G 1,124ft 8.3s 8s
OK AeroTech H550 7.50lb 95ft/s 288ft/s 18.5G 1,134ft 8.4s 8s
warningsW Cesaroni H565 7.60lb 93ft/s 291ft/s 18.4G 1,147ft 8.4s 8s
OK AeroTech H999 7.53lb 129ft/s 301ft/s 47.0G 1,181ft 8.4s 8s
OK AeroTech I225 7.87lb 54ft/s 278ft/s 7.0G 1,259ft 9.3s 8s
OK Cesaroni I212 7.85lb 51ft/s 285ft/s 6.5G 1,278ft 9.5s 8s
OK AeroTech I245 7.60lb 75ft/s 285ft/s 11.3G 1,285ft 9.1s 8s
OK AeroTech I357 7.56lb 71ft/s 292ft/s 10.3G 1,299ft 9.2s 8s
OK Cesaroni I566 7.65lb 91ft/s 335ft/s 17.7G 1,445ft 9.4s 9s
OK Cesaroni I195 7.72lb 53ft/s 304ft/s 5.9G 1,479ft 10.2s 8s
OK Cesaroni I175 7.76lb 48ft/s 305ft/s 4.7G 1,539ft 10.5s 8s
OK Cesaroni I170 7.66lb 52ft/s 310ft/s 5.7G 1,546ft 10.4s 8s
OK Cesaroni I345 7.67lb 72ft/s 340ft/s 10.4G 1,581ft 10.0s 9s
OK AeroTech I285 7.89lb 68ft/s 334ft/s 9.8G 1,607ft 10.2s 9s
OK Cesaroni I236 7.68lb 59ft/s 330ft/s 8.1G 1,636ft 10.4s 9s
OK Cesaroni I223 7.89lb 54ft/s 337ft/s 6.4G 1,702ft 10.7s 9s
OK Cesaroni I800 7.81lb 108ft/s 377ft/s 25.5G 1,707ft 10.1s 10s
OK AeroTech I211 7.80lb 62ft/s 327ft/s 8.2G 1,708ft 10.6s 8s
OK AeroTech I195 8.06lb 65ft/s 329ft/s 9.1G 1,734ft 10.7s 8s
OK AeroTech I305 8.08lb 70ft/s 349ft/s 10.5G 1,753ft 10.5s 9s
OK AeroTech I300 7.77lb 74ft/s 354ft/s 12.5G 1,775ft 10.6s 9s
OK AeroTech I1299 7.73lb 145ft/s 393ft/s 43.4G 1,789ft 10.1s 10s
OK Loki I316 7.99lb 81ft/s 376ft/s 13.2G 1,963ft 11.0s 10s
OK Cesaroni I287 8.13lb 61ft/s 385ft/s 8.7G 2,012ft 11.4s 10s
OK Loki I210 7.99lb 70ft/s 361ft/s 11.5G 2,040ft 11.4s 9s
OK Loki I405 8.00lb 99ft/s 409ft/s 21.6G 2,143ft 11.2s 10s
OK Cesaroni I285 7.92lb 64ft/s 402ft/s 9.0G 2,185ft 11.8s 10s
OK Cesaroni I255 7.94lb 61ft/s 400ft/s 8.0G 2,212ft 11.9s 10s
OK Loki I377 8.03lb 88ft/s 420ft/s 17.4G 2,279ft 11.7s 10s
OK Loki I430 7.99lb 78ft/s 436ft/s 14.0G 2,283ft 11.7s 11s
OK Cesaroni I125 8.23lb 49ft/s 340ft/s 6.3G 2,324ft 13.1s 9s
OK AMW I297 8.10lb 66ft/s 421ft/s 9.4G 2,334ft 12.0s 10s
OK AeroTech I327 8.18lb 72ft/s 427ft/s 10.9G 2,337ft 12.0s 10s
OK AeroTech I366 8.02lb 80ft/s 434ft/s 12.7G 2,358ft 11.9s 10s
OK AeroTech I364 8.29lb 70ft/s 428ft/s 10.5G 2,365ft 12.0s 10s
OK Cesaroni I303 7.90lb 67ft/s 427ft/s 10.7G 2,387ft 12.1s 10s
OK Cesaroni I242 8.01lb 58ft/s 417ft/s 7.0G 2,390ft 12.5s 10s
OK Cesaroni I470 7.89lb 86ft/s 458ft/s 14.9G 2,423ft 11.9s 11s
OK AeroTech I280 8.16lb 65ft/s 430ft/s 8.3G 2,424ft 12.4s 10s
OK Cesaroni I350 8.52lb 69ft/s 459ft/s 9.6G 2,590ft 12.6s 11s
OK AeroTech I435 7.94lb 97ft/s 474ft/s 20.4G 2,611ft 12.3s 11s
OK KBA I301 8.40lb 66ft/s 462ft/s 10.0G 2,618ft 12.6s 11s
OK AeroTech I284 8.02lb 79ft/s 460ft/s 12.7G 2,658ft 12.6s 11s
OK KBA I550 8.37lb 86ft/s 511ft/s 18.0G 2,696ft 12.4s 11s
OK Cesaroni I216 8.12lb 61ft/s 450ft/s 8.4G 2,873ft 13.5s 10s
OK AeroTech I500 8.07lb 85ft/s 512ft/s 15.1G 2,884ft 12.9s 12s
OK Loki J396 8.46lb 73ft/s 506ft/s 13.7G 2,920ft 13.1s 12s
warningsW Cesaroni I540 8.12lb 93ft/s 531ft/s 16.7G 2,954ft 12.9s 12s
OK Cesaroni J270 8.24lb 59ft/s 486ft/s 7.3G 2,967ft 13.6s 11s
OK Cesaroni J335 8.18lb 73ft/s 501ft/s 10.3G 2,967ft 13.3s 11s
OK AeroTech I600 8.13lb 100ft/s 531ft/s 21.7G 2,976ft 12.9s 12s
OK AeroTech I350 8.16lb 76ft/s 518ft/s 12.6G 2,980ft 13.2s 12s
OK AeroTech J420 8.23lb 83ft/s 516ft/s 14.3G 2,984ft 13.2s 12s
OK Cesaroni J285 8.11lb 68ft/s 491ft/s 9.3G 2,987ft 13.5s 11s
OK Cesaroni J316 8.14lb 72ft/s 495ft/s 11.1G 3,005ft 13.4s 11s
OK Cesaroni J381 8.32lb 77ft/s 512ft/s 12.7G 3,006ft 13.3s 11s
OK AeroTech J350 8.27lb 96ft/s 519ft/s 21.4G 3,031ft 13.1s 12s
OK AeroTech J340 8.07lb 81ft/s 510ft/s 15.7G 3,033ft 13.3s 11s
OK KBA J740 8.40lb 106ft/s 554ft/s 25.1G 3,049ft 13.0s 12s
OK Cesaroni J357 8.12lb 76ft/s 520ft/s 13.2G 3,062ft 13.4s 12s
OK Cesaroni J290 8.25lb 68ft/s 510ft/s 9.7G 3,162ft 13.8s 11s
OK AeroTech J425 8.19lb 71ft/s 548ft/s 11.6G 3,174ft 13.6s 12s
OK Cesaroni J400 8.35lb 77ft/s 544ft/s 12.1G 3,244ft 13.7s 12s
OK AeroTech J270 8.22lb 64ft/s 515ft/s 8.8G 3,272ft 14.1s 12s
OK AeroTech J500 8.24lb 97ft/s 580ft/s 20.6G 3,424ft 13.8s 12s
OK Loki J528 8.44lb 104ft/s 596ft/s 26.2G 3,488ft 13.8s 13s
OK Cesaroni J330 8.35lb 75ft/s 568ft/s 11.4G 3,613ft 14.5s 12s
OK Cesaroni J410 8.42lb 80ft/s 593ft/s 12.6G 3,657ft 14.4s 12s
OK AeroTech J435 8.18lb 94ft/s 608ft/s 18.0G 3,716ft 14.3s 13s
OK Cesaroni J425 8.34lb 85ft/s 601ft/s 17.0G 3,721ft 14.4s 12s
OK Loki J712 8.46lb 103ft/s 644ft/s 22.4G 3,787ft 14.3s 13s
OK Loki J320 8.46lb 75ft/s 582ft/s 13.1G 3,810ft 14.8s 12s
OK Cesaroni J354 8.52lb 78ft/s 596ft/s 12.7G 3,863ft 14.8s 12s

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 (109ft)
failedA AeroTech G339 rocket doesn't reach a safe altitude (174ft)
failedG AeroTech G67 speed at end of launch guide too slow (30ft/s)
failedG Loki G69 speed at end of launch guide too slow (31ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (28ft/s)
failedA Contrail G234 rocket doesn't reach a safe altitude (157ft)
failedG Loki G70 speed at end of launch guide too slow (33ft/s)
failedG Loki G94 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (27ft/s)
failedG Loki G80 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (20ft/s)
failedA Cesaroni G185 rocket doesn't reach a safe altitude (202ft)
failedG Cesaroni G79 speed at end of launch guide too slow (28ft/s)
failedG Loki G66 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (28ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (22ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (30ft/s)
failedG Contrail G123 speed at end of launch guide too slow (47ft/s)
failedG Contrail G100 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (19ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (118ft)
failedG AeroTech H73 speed at end of launch guide too slow (27ft/s)
failedG Loki H100 speed at end of launch guide too slow (39ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (38ft/s)
failedG Loki H90 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (46ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (36ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (28ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (19ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (22ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (42ft/s)
failedG Loki I110 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (39ft/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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