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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 173 motors that fit and appear to have enough thrust (627 motors didn't fit, 11 motors failed safety checks). 181 motor had thrust curves available and 329 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:   Fusion
Owner: John Cummings
Body Diameter: 4.00in
Dry Weight: 4.60lb
MMT Diameter: 54.0mm
MMT Length: 36.00in
CD: 0.50

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 I215 5.76lb 56ft/s 422ft/s 9.2G 2,008ft 11.0s 9s
OK AeroTech I599 5.73lb 103ft/s 493ft/s 29.2G 2,086ft 10.5s 10s
OK AeroTech I229 5.73lb 58ft/s 448ft/s 9.8G 2,126ft 11.1s 9s
OK Cesaroni I445 5.87lb 75ft/s 543ft/s 19.5G 2,465ft 11.4s 10s
OK Cesaroni I218 5.88lb 57ft/s 495ft/s 9.1G 2,559ft 12.2s 10s
OK Cesaroni I165 5.91lb 48ft/s 467ft/s 6.2G 2,695ft 12.9s 9s
OK Contrail J245 8.02lb 60ft/s 472ft/s 11.3G 2,764ft 12.8s 10s
OK Contrail J355 8.05lb 73ft/s 538ft/s 14.6G 2,949ft 12.9s 11s
OK Hypertek J250 7.45lb 64ft/s 521ft/s 11.3G 3,170ft 13.4s 10s
OK Cesaroni I100 6.38lb 53ft/s 391ft/s 9.7G 3,233ft 14.7s 6s
OK Contrail J292 8.00lb 72ft/s 524ft/s 14.5G 3,259ft 13.7s 11s
OK Hypertek J170 7.43lb 59ft/s 484ft/s 9.6G 3,337ft 14.2s 9s
OK Cesaroni J250 6.43lb 50ft/s 624ft/s 8.6G 3,429ft 13.7s 11s
OK Hypertek J120 7.45lb 50ft/s 445ft/s 6.9G 3,492ft 15.2s 8s
OK AeroTech J250 6.60lb 54ft/s 630ft/s 9.4G 3,513ft 13.8s 11s
OK Cesaroni J280 6.70lb 57ft/s 656ft/s 9.7G 3,530ft 13.8s 11s
OK Cesaroni J145 6.45lb 55ft/s 499ft/s 15.9G 3,591ft 14.5s 10s
OK Cesaroni J1055 6.30lb 119ft/s 831ft/s 40.0G 3,618ft 12.8s 12s
OK AeroTech J250 6.16lb 63ft/s 626ft/s 11.3G 3,626ft 13.7s 11s
OK Hypertek J270 7.46lb 71ft/s 585ft/s 13.9G 3,676ft 14.1s 11s
OK AeroTech J315 6.48lb 64ft/s 682ft/s 12.1G 3,754ft 13.8s 11s
OK Hypertek J190 7.45lb 61ft/s 550ft/s 10.5G 3,871ft 14.9s 10s
OK Gorilla J365 7.25lb 51ft/s 742ft/s 14.5G 4,025ft 14.4s 12s
OK AeroTech J1299 6.44lb 135ft/s 937ft/s 51.0G 4,026ft 13.3s 13s
OK AeroTech J180 6.38lb 62ft/s 599ft/s 10.5G 4,033ft 14.6s 10s
OK Cesaroni J430 6.36lb 76ft/s 799ft/s 17.5G 4,035ft 13.9s 12s
OK Cesaroni J240 6.53lb 56ft/s 680ft/s 9.0G 4,038ft 14.6s 11s
OK AeroTech J460 6.34lb 80ft/s 811ft/s 18.6G 4,105ft 13.8s 12s
OK AeroTech J275 6.51lb 58ft/s 680ft/s 10.5G 4,129ft 14.5s 11s
OK Cesaroni J293 6.45lb 59ft/s 733ft/s 11.4G 4,135ft 14.5s 12s
OK Cesaroni J244 6.61lb 52ft/s 701ft/s 8.0G 4,224ft 15.0s 12s
OK AMW J1365 7.07lb 130ft/s 944ft/s 49.4G 4,248ft 13.7s 13s
OK Cesaroni J210 6.46lb 57ft/s 624ft/s 10.4G 4,282ft 15.4s 11s
OK AMW J400 7.65lb 61ft/s 797ft/s 13.0G 4,406ft 14.8s 12s
OK Loki J350 7.38lb 62ft/s 798ft/s 12.8G 4,470ft 14.9s 12s
OK AMW J475 7.71lb 68ft/s 855ft/s 17.2G 4,583ft 14.7s 13s
OK Gorilla J167 7.28lb 57ft/s 576ft/s 10.5G 4,625ft 16.2s 10s
OK AeroTech J1799 7.05lb 149ft/s 1,111ft/s 68.3G 4,638ft 13.8s 13s
OK Cesaroni J1520 6.86lb 136ft/s 1,126ft/s 55.1G 4,700ft 13.9s 13s
OK Cesaroni J360 7.03lb 61ft/s 845ft/s 16.3G 4,712ft 15.1s 12s
OK Gorilla J465 7.21lb 69ft/s 895ft/s 19.4G 4,730ft 14.8s 13s
OK Cesaroni J380 7.45lb 61ft/s 863ft/s 11.8G 4,735ft 15.1s 12s
OK Gorilla J395 7.16lb 62ft/s 865ft/s 13.4G 4,788ft 15.2s 13s
OK AeroTech J450 7.30lb 68ft/s 890ft/s 15.6G 4,838ft 15.1s 13s
OK Gorilla J485 7.22lb 68ft/s 926ft/s 17.1G 4,877ft 15.0s 13s
OK AMW J395 7.40lb 66ft/s 852ft/s 13.4G 4,919ft 15.4s 13s
OK Loki J820 7.27lb 107ft/s 1,023ft/s 31.2G 4,920ft 14.4s 13s
OK Gorilla J535 7.30lb 87ft/s 957ft/s 19.9G 4,920ft 14.8s 13s
OK Gorilla J450 7.81lb 60ft/s 884ft/s 16.5G 4,937ft 15.4s 13s
OK AMW J440 7.31lb 96ft/s 912ft/s 23.8G 4,951ft 14.9s 13s
OK Loki J525 7.33lb 81ft/s 969ft/s 18.9G 4,963ft 14.9s 13s
OK AMW K1720 7.58lb 145ft/s 1,133ft/s 58.9G 4,996ft 14.4s 14s
OK AMW J325 7.31lb 74ft/s 785ft/s 15.6G 5,023ft 15.6s 12s
OK AeroTech J540 6.99lb 86ft/s 986ft/s 20.8G 5,048ft 14.8s 13s
OK AeroTech J401 6.61lb 72ft/s 944ft/s 15.3G 5,113ft 15.1s 12s
OK AMW J745 7.29lb 95ft/s 1,057ft/s 26.1G 5,207ft 15.0s 13s
OK AMW J475 7.89lb 73ft/s 922ft/s 15.8G 5,320ft 15.7s 13s
OK Cesaroni J355 7.19lb 65ft/s 892ft/s 12.7G 5,348ft 15.8s 12s
OK AeroTech J800 6.99lb 103ft/s 1,107ft/s 29.6G 5,363ft 14.9s 13s
OK Cesaroni J760 6.97lb 101ft/s 1,151ft/s 28.0G 5,425ft 14.9s 13s
OK Loki J175 7.36lb 62ft/s 681ft/s 11.9G 5,473ft 16.9s 10s
OK AMW K665 8.43lb 78ft/s 1,044ft/s 21.4G 5,488ft 15.5s 13s
OK Loki J300 7.50lb 64ft/s 823ft/s 11.1G 5,502ft 16.4s 12s
OK Cesaroni J295 7.07lb 67ft/s 830ft/s 13.0G 5,503ft 16.1s 12s
OK AeroTech J415 7.18lb 71ft/s 963ft/s 15.9G 5,533ft 15.6s 12s
OK AeroTech K2050 7.45lb 146ft/s 1,348ft/s 65.8G 5,546ft 14.7s 14s
OK AeroTech K456 7.87lb 69ft/s 980ft/s 13.8G 5,551ft 15.9s 13s
OK Cesaroni J449 7.07lb 72ft/s 1,020ft/s 16.9G 5,553ft 15.6s 13s
OK Cesaroni K2045 7.44lb 156ft/s 1,390ft/s 68.6G 5,563ft 14.6s 14s
OK Cesaroni K360 7.32lb 62ft/s 955ft/s 11.2G 5,687ft 16.2s 13s
OK Gorilla K555 8.08lb 70ft/s 1,066ft/s 17.2G 5,792ft 16.1s 14s
OK Cesaroni K530 8.22lb 72ft/s 1,074ft/s 15.0G 5,793ft 16.0s 13s
OK Gorilla K520 7.78lb 73ft/s 1,053ft/s 16.3G 5,801ft 16.1s 13s
OK Gorilla K630 8.04lb 81ft/s 1,094ft/s 21.5G 5,805ft 15.8s 14s
OK Cesaroni K454 7.67lb 68ft/s 1,010ft/s 15.1G 5,805ft 16.0s 13s
OK AeroTech K400 7.23lb 76ft/s 960ft/s 15.8G 5,817ft 16.2s 13s
OK Gorilla K533 8.38lb 67ft/s 1,036ft/s 18.2G 5,845ft 16.1s 13s
OK KBA K700 7.91lb 87ft/s 1,169ft/s 24.4G 5,847ft 15.6s 14s
OK Gorilla K222 8.12lb 60ft/s 696ft/s 10.8G 5,865ft 17.6s 11s
OK AMW K475 7.89lb 71ft/s 1,032ft/s 14.5G 5,874ft 16.2s 13s
OK AeroTech K695 7.88lb 85ft/s 1,163ft/s 25.5G 5,922ft 15.6s 13s
OK AeroTech K513 8.23lb 76ft/s 1,079ft/s 16.9G 5,935ft 16.0s 13s
OK AeroTech K535 7.39lb 81ft/s 1,071ft/s 18.5G 5,961ft 15.8s 13s
OK AMW K535 8.04lb 76ft/s 1,050ft/s 16.9G 5,973ft 16.2s 14s
OK AeroTech K1100 7.55lb 118ft/s 1,322ft/s 39.0G 6,125ft 15.4s 14s
OK AMW K610 8.49lb 78ft/s 1,086ft/s 18.8G 6,139ft 16.3s 14s
OK AMW K935 7.92lb 109ft/s 1,267ft/s 30.1G 6,177ft 15.7s 14s
OK AMW K455 7.92lb 83ft/s 994ft/s 21.0G 6,184ft 16.4s 13s
OK AeroTech K185 7.76lb 53ft/s 750ft/s 8.7G 6,239ft 17.9s 10s
OK AMW K700 9.20lb 82ft/s 1,155ft/s 19.7G 6,276ft 16.3s 14s
OK Loki K690 9.89lb 73ft/s 1,151ft/s 18.5G 6,305ft 16.6s 14s
OK Cesaroni K940 7.61lb 101ft/s 1,353ft/s 31.7G 6,315ft 15.6s 14s
OK AeroTech K540 7.41lb 92ft/s 1,147ft/s 25.0G 6,318ft 15.8s 13s
OK AeroTech K550 7.88lb 85ft/s 1,103ft/s 21.9G 6,394ft 16.2s 13s
OK AMW K855 9.28lb 91ft/s 1,231ft/s 24.5G 6,397ft 16.3s 14s
OK Cesaroni K500 7.85lb 72ft/s 1,113ft/s 16.4G 6,435ft 16.5s 13s
OK Cesaroni K630 7.71lb 89ft/s 1,246ft/s 22.1G 6,525ft 16.1s 13s
OK Cesaroni K515 8.25lb 73ft/s 1,115ft/s 17.5G 6,563ft 16.7s 13s
OK Gorilla K700 8.38lb 80ft/s 1,232ft/s 20.7G 6,574ft 16.6s 14s
OK Cesaroni K650 8.99lb 77ft/s 1,233ft/s 17.2G 6,574ft 16.6s 14s
OK Gorilla K763 8.55lb 84ft/s 1,271ft/s 22.5G 6,584ft 16.4s 14s
OK Cesaroni K400 8.02lb 69ft/s 1,030ft/s 12.4G 6,615ft 17.1s 13s
OK Gorilla K805 8.51lb 86ft/s 1,283ft/s 28.3G 6,640ft 16.3s 14s
OK AeroTech K1103 7.82lb 130ft/s 1,449ft/s 45.4G 6,640ft 15.7s 14s
OK AeroTech K805 8.00lb 94ft/s 1,301ft/s 24.3G 6,656ft 16.2s 14s
OK Cesaroni K445 7.68lb 83ft/s 1,068ft/s 18.5G 6,690ft 16.7s 13s
OK AeroTech K850 9.10lb 91ft/s 1,345ft/s 26.1G 6,722ft 16.4s 14s
OK Gorilla K327 8.61lb 71ft/s 876ft/s 17.0G 6,731ft 17.5s 12s
OK AeroTech K990 9.25lb 88ft/s 1,331ft/s 25.3G 6,744ft 16.4s 14s
OK Cesaroni K520 8.07lb 77ft/s 1,159ft/s 16.2G 6,766ft 16.8s 13s
OK AMW K710 8.59lb 95ft/s 1,205ft/s 22.2G 6,813ft 16.7s 14s
OK AMW K670 8.76lb 90ft/s 1,221ft/s 20.5G 6,858ft 16.8s 14s
OK AMW K1250 8.60lb 123ft/s 1,457ft/s 41.3G 6,954ft 16.2s 15s
OK Cesaroni K740 7.84lb 92ft/s 1,352ft/s 24.3G 6,976ft 16.3s 14s
OK Loki K960 8.45lb 120ft/s 1,409ft/s 40.0G 7,013ft 16.3s 14s
OK Cesaroni K1200 8.20lb 115ft/s 1,558ft/s 36.7G 7,054ft 16.0s 14s
OK AMW K580 8.62lb 95ft/s 1,160ft/s 27.1G 7,079ft 17.0s 14s
OK Cesaroni K160 7.85lb 48ft/s 695ft/s 6.7G 7,103ft 19.8s 10s
OK AeroTech K1275 8.98lb 117ft/s 1,493ft/s 38.6G 7,186ft 16.3s 14s
OK Cesaroni K650 8.37lb 92ft/s 1,302ft/s 32.1G 7,254ft 16.7s 13s
OK AeroTech K828 9.50lb 102ft/s 1,376ft/s 30.0G 7,263ft 16.8s 14s
OK Loki K250 8.55lb 76ft/s 826ft/s 20.1G 7,264ft 19.0s 12s
OK Cesaroni K635 8.50lb 81ft/s 1,287ft/s 19.6G 7,266ft 16.9s 14s
OK Cesaroni K675 8.88lb 82ft/s 1,276ft/s 21.9G 7,286ft 17.0s 14s
OK Gorilla K980 10.02lb 90ft/s 1,358ft/s 29.0G 7,361ft 17.2s 15s
OK Cesaroni K780 8.35lb 95ft/s 1,442ft/s 25.9G 7,406ft 16.6s 14s
OK Loki K527 8.95lb 81ft/s 1,190ft/s 18.1G 7,515ft 17.7s 14s
OK Cesaroni K490 8.69lb 73ft/s 1,176ft/s 14.2G 7,548ft 17.7s 14s
OK Cesaroni K1440 8.77lb 125ft/s 1,695ft/s 47.8G 7,639ft 16.4s 15s
OK Cesaroni K570 8.31lb 92ft/s 1,248ft/s 23.3G 7,640ft 17.2s 13s
OK Cesaroni K600 8.77lb 82ft/s 1,286ft/s 19.0G 7,677ft 17.4s 14s
OK AMW K1075 10.42lb 97ft/s 1,415ft/s 27.5G 7,699ft 17.6s 15s
OK KBA K1750 10.25lb 120ft/s 1,699ft/s 47.8G 7,781ft 17.0s 16s
OK Cesaroni K815 9.44lb 82ft/s 1,445ft/s 27.6G 7,800ft 17.3s 14s
OK AeroTech K700 9.09lb 94ft/s 1,330ft/s 25.5G 7,801ft 17.1s 14s
OK Cesaroni K750 9.13lb 86ft/s 1,402ft/s 22.9G 7,849ft 17.2s 14s
OK Gorilla K1075 10.20lb 94ft/s 1,501ft/s 26.8G 7,994ft 17.6s 15s
OK Loki K830 9.89lb 78ft/s 1,545ft/s 20.6G 8,032ft 17.7s 15s
OK Cesaroni K820 8.97lb 101ft/s 1,462ft/s 40.5G 8,037ft 17.2s 14s
OK Cesaroni K711 9.45lb 90ft/s 1,356ft/s 35.1G 8,060ft 17.6s 14s
OK AeroTech K480 9.18lb 84ft/s 1,243ft/s 21.4G 8,133ft 17.9s 13s
OK Gorilla K1185 10.20lb 90ft/s 1,587ft/s 30.2G 8,156ft 17.6s 16s
OK AeroTech K1050 9.46lb 112ft/s 1,589ft/s 34.1G 8,164ft 17.3s 15s
OK AMW K1130 10.27lb 106ft/s 1,516ft/s 31.8G 8,169ft 17.7s 15s
OK Cesaroni K261 8.86lb 54ft/s 920ft/s 8.1G 8,283ft 19.9s 11s
OK KBA L2300 10.40lb 151ft/s 1,857ft/s 64.6G 8,295ft 17.3s 16s
OK Cesaroni K660 8.90lb 100ft/s 1,386ft/s 26.4G 8,338ft 17.6s 14s
OK KBA K750 10.41lb 95ft/s 1,369ft/s 24.6G 8,342ft 18.0s 15s
OK AeroTech K270 9.23lb 60ft/s 893ft/s 9.4G 8,363ft 20.2s 12s
OK AeroTech K375 9.24lb 110ft/s 1,068ft/s 31.6G 8,371ft 18.5s 13s
OK AeroTech L1000 9.44lb 105ft/s 1,614ft/s 30.6G 8,452ft 17.3s 14s
OK AeroTech K455 9.64lb 100ft/s 1,110ft/s 29.5G 8,460ft 18.5s 13s
OK AMW L1276 11.13lb 99ft/s 1,588ft/s 29.0G 8,537ft 18.1s 16s
OK AeroTech L1090 9.96lb 108ft/s 1,557ft/s 28.9G 8,545ft 17.7s 15s
OK Cesaroni K590 9.00lb 122ft/s 1,227ft/s 44.4G 8,550ft 18.0s 14s
OK Cesaroni L1030 9.75lb 99ft/s 1,650ft/s 34.6G 8,585ft 17.5s 15s
OK Loki L1400 10.20lb 109ft/s 1,756ft/s 37.8G 8,628ft 17.5s 16s
OK Gorilla K470 9.73lb 91ft/s 1,147ft/s 23.5G 8,635ft 18.5s 13s
OK Cesaroni L990 9.53lb 107ft/s 1,616ft/s 37.4G 8,648ft 17.5s 15s
OK AMW L985 10.27lb 106ft/s 1,520ft/s 31.2G 8,652ft 18.1s 15s
OK Cesaroni L805 10.12lb 99ft/s 1,491ft/s 31.8G 8,943ft 18.1s 14s
OK Cesaroni L730 9.55lb 101ft/s 1,452ft/s 27.7G 8,968ft 18.1s 14s
OK Cesaroni K260 9.11lb 62ft/s 959ft/s 9.6G 9,084ft 20.5s 12s
OK Cesaroni L935 10.20lb 105ft/s 1,616ft/s 33.0G 9,312ft 18.1s 15s
OK Cesaroni L640 9.55lb 115ft/s 1,306ft/s 34.6G 9,340ft 18.6s 14s
OK Loki K350 10.20lb 88ft/s 1,027ft/s 26.0G 9,346ft 20.3s 13s
OK Cesaroni K300 9.60lb 67ft/s 1,037ft/s 11.7G 9,640ft 20.7s 12s
OK AeroTech K250 9.48lb 53ft/s 1,005ft/s 9.4G 9,823ft 21.3s 11s
OK Cesaroni L265 10.07lb 58ft/s 974ft/s 9.4G 10,174ft 22.2s 12s
OK Loki L1040 11.13lb 100ft/s 1,795ft/s 25.9G 10,552ft 19.2s 16s
warningsD AMW K590 8.39lb 16:1 thrust/weight ratio (no data)
warningsD Gorilla K695 7.90lb 20:1 thrust/weight ratio (no data)
warningsD Gorilla K828 8.65lb 22:1 thrust/weight ratio (no data)

D No simulation data found for this motor.

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 I117 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (41ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (38ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (41ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (47ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (39ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (43ft/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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