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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 157 motors that fit and appear to have enough thrust (605 motors didn't fit, 29 motors failed safety checks). 183 motor had thrust curves available and 331 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:   Fluffy Bunny
Owner: Sather M. Ranum
Body Diameter: 3.00in
Dry Weight: 120.0oz
MMT Diameter: 54.0mm
MMT Length: 40.00in
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 I599 138.1oz 86ft/s 325ft/s 19.0G 1,491ft 9.7s 9s
OK Cesaroni I445 140.3oz 63ft/s 363ft/s 12.8G 1,882ft 10.9s 10s
OK Contrail J245 174.7oz 50ft/s 349ft/s 8.0G 2,147ft 12.2s 10s
OK Contrail J355 175.2oz 60ft/s 396ft/s 10.5G 2,408ft 12.7s 11s
OK Hypertek J250 165.6oz 54ft/s 387ft/s 7.9G 2,621ft 13.3s 10s
OK Contrail J292 174.4oz 60ft/s 397ft/s 10.4G 2,653ft 13.3s 11s
OK Hypertek J170 165.2oz 49ft/s 359ft/s 6.6G 2,689ft 14.0s 9s
OK Hypertek J270 165.7oz 60ft/s 445ft/s 9.7G 3,285ft 14.6s 11s
OK AeroTech J250 145.0oz 52ft/s 466ft/s 7.4G 3,292ft 14.7s 12s
OK Hypertek J190 165.6oz 52ft/s 419ft/s 7.3G 3,380ft 15.4s 10s
OK AeroTech J315 150.0oz 52ft/s 502ft/s 8.2G 3,521ft 15.0s 12s
OK Cesaroni J1055 147.2oz 98ft/s 574ft/s 27.4G 3,619ft 14.4s 14s
OK Contrail J358 181.5oz 63ft/s 495ft/s 13.4G 3,683ft 15.4s 13s
OK AeroTech J180 148.5oz 51ft/s 459ft/s 6.9G 3,739ft 15.8s 11s
OK AeroTech J275 150.5oz 48ft/s 520ft/s 7.2G 4,003ft 16.2s 12s
OK Cesaroni J293 149.6oz 49ft/s 549ft/s 7.5G 4,038ft 16.1s 13s
OK Cesaroni J430 148.2oz 63ft/s 582ft/s 11.7G 4,068ft 15.7s 14s
OK AeroTech J460 147.8oz 67ft/s 597ft/s 12.6G 4,245ft 15.9s 14s
OK AeroTech J1299 149.4oz 114ft/s 655ft/s 35.1G 4,324ft 15.5s 15s
OK Gorilla J167 162.9oz 49ft/s 465ft/s 7.2G 4,337ft 17.5s 11s
OK Contrail J272 181.6oz 60ft/s 527ft/s 10.3G 4,492ft 17.1s 13s
OK AMW J400 168.7oz 51ft/s 610ft/s 9.8G 4,554ft 16.8s 14s
OK AMW J1365 159.5oz 105ft/s 677ft/s 34.9G 4,602ft 15.9s 15s
OK Loki J350 164.4oz 51ft/s 609ft/s 9.2G 4,604ft 16.9s 14s
OK Contrail J642 183.2oz 90ft/s 636ft/s 27.7G 4,843ft 16.7s 15s
OK AMW J475 169.7oz 60ft/s 657ft/s 12.7G 4,930ft 17.1s 15s
OK Contrail J416 180.0oz 72ft/s 611ft/s 14.7G 5,028ft 17.6s 15s
OK Cesaroni J360 158.9oz 50ft/s 652ft/s 11.2G 5,041ft 17.6s 15s
OK Cesaroni J380 165.6oz 50ft/s 666ft/s 8.9G 5,122ft 17.7s 15s
OK Gorilla J395 160.9oz 51ft/s 667ft/s 9.6G 5,129ft 17.7s 15s
OK Gorilla J465 161.7oz 55ft/s 684ft/s 14.3G 5,180ft 17.5s 15s
OK AeroTech J450 163.1oz 55ft/s 685ft/s 11.2G 5,246ft 17.7s 15s
OK AMW J395 164.7oz 57ft/s 670ft/s 9.4G 5,306ft 17.9s 15s
OK AMW J325 163.4oz 61ft/s 641ft/s 10.9G 5,369ft 18.1s 15s
OK Gorilla J450 171.3oz 54ft/s 690ft/s 12.1G 5,394ft 18.0s 15s
OK Gorilla J485 162.0oz 59ft/s 712ft/s 12.2G 5,422ft 17.8s 16s
OK AeroTech J1799 159.2oz 122ft/s 796ft/s 47.7G 5,529ft 17.0s 16s
OK AMW J440 163.4oz 78ft/s 713ft/s 16.7G 5,577ft 17.7s 16s
OK Gorilla J535 163.2oz 74ft/s 733ft/s 13.9G 5,606ft 17.8s 16s
OK Cesaroni J1520 156.2oz 111ft/s 804ft/s 39.7G 5,610ft 17.2s 17s
OK Loki J525 163.7oz 68ft/s 743ft/s 14.0G 5,650ft 17.9s 16s
OK Loki J175 164.1oz 51ft/s 572ft/s 8.2G 5,684ft 19.4s 13s
OK Loki J820 162.7oz 89ft/s 778ft/s 22.8G 5,817ft 17.7s 16s
OK AeroTech J401 152.2oz 61ft/s 742ft/s 10.4G 5,871ft 18.4s 16s
OK AeroTech J540 158.2oz 71ft/s 773ft/s 14.5G 5,962ft 18.2s 16s
OK AMW K1720 167.7oz 121ft/s 831ft/s 42.5G 5,975ft 17.7s 17s
OK AMW J475 172.7oz 62ft/s 733ft/s 11.2G 6,010ft 18.7s 16s
OK Loki J300 166.4oz 53ft/s 685ft/s 7.7G 6,038ft 19.3s 15s
OK Cesaroni J355 161.4oz 55ft/s 729ft/s 8.8G 6,074ft 19.0s 16s
OK AMW J745 163.0oz 84ft/s 809ft/s 18.5G 6,158ft 18.3s 17s
OK Cesaroni J295 159.5oz 57ft/s 699ft/s 8.9G 6,160ft 19.3s 15s
OK Gorilla K222 176.3oz 52ft/s 601ft/s 7.7G 6,196ft 20.2s 14s
OK AeroTech K456 172.3oz 57ft/s 794ft/s 9.9G 6,534ft 19.4s 16s
OK AeroTech J415 161.2oz 59ft/s 786ft/s 11.5G 6,565ft 19.3s 16s
OK AMW K665 181.3oz 68ft/s 832ft/s 16.4G 6,598ft 19.1s 17s
OK Cesaroni J449 159.6oz 63ft/s 817ft/s 11.7G 6,624ft 19.3s 17s
OK AeroTech J800 158.3oz 86ft/s 861ft/s 20.6G 6,628ft 18.8s 17s
OK Cesaroni K360 163.5oz 52ft/s 786ft/s 8.1G 6,642ft 19.8s 16s
OK Cesaroni J760 158.0oz 81ft/s 884ft/s 19.5G 6,721ft 18.9s 17s
OK AeroTech K400 162.1oz 63ft/s 793ft/s 11.0G 6,798ft 19.7s 16s
OK Gorilla K520 170.9oz 61ft/s 850ft/s 12.2G 6,956ft 19.8s 17s
OK Gorilla K555 175.6oz 60ft/s 853ft/s 12.7G 6,961ft 19.8s 17s
OK Cesaroni K454 169.1oz 59ft/s 832ft/s 10.7G 6,963ft 19.8s 17s
OK Gorilla K533 180.6oz 60ft/s 848ft/s 13.4G 7,049ft 19.9s 17s
OK Cesaroni K530 177.8oz 60ft/s 872ft/s 11.9G 7,096ft 19.9s 17s
OK Gorilla K630 175.0oz 66ft/s 877ft/s 16.1G 7,098ft 19.7s 17s
OK AMW K535 175.0oz 65ft/s 863ft/s 12.3G 7,226ft 20.1s 17s
OK AeroTech K2050 165.6oz 125ft/s 997ft/s 47.5G 7,253ft 19.0s 18s
OK KBA K700 173.0oz 77ft/s 923ft/s 18.8G 7,292ft 19.7s 18s
OK AeroTech K513 178.1oz 65ft/s 889ft/s 12.9G 7,350ft 20.1s 17s
OK Cesaroni K2045 165.5oz 132ft/s 1,021ft/s 49.9G 7,369ft 19.1s 18s
OK AeroTech K535 164.6oz 69ft/s 893ft/s 13.0G 7,443ft 20.1s 17s
OK AMW K455 173.1oz 72ft/s 849ft/s 15.1G 7,501ft 20.3s 17s
OK AMW K610 182.3oz 69ft/s 894ft/s 13.7G 7,525ft 20.3s 18s
OK AeroTech K695 172.5oz 75ft/s 945ft/s 18.3G 7,578ft 20.0s 18s
OK Loki K690 204.7oz 66ft/s 950ft/s 14.4G 7,909ft 20.7s 18s
OK AMW K700 193.7oz 69ft/s 957ft/s 15.8G 7,959ft 20.7s 18s
OK Gorilla K327 184.1oz 61ft/s 784ft/s 12.5G 8,003ft 21.5s 16s
OK AMW K935 173.2oz 92ft/s 1,010ft/s 21.9G 8,005ft 20.2s 19s
OK Cesaroni K400 174.7oz 58ft/s 904ft/s 8.8G 8,173ft 21.5s 18s
OK Cesaroni K500 172.1oz 62ft/s 954ft/s 11.8G 8,181ft 21.1s 18s
OK AeroTech K550 172.5oz 71ft/s 942ft/s 16.3G 8,191ft 20.8s 17s
OK AeroTech K1100 167.1oz 100ft/s 1,054ft/s 27.9G 8,199ft 20.2s 18s
OK AeroTech K540 165.0oz 79ft/s 981ft/s 17.7G 8,270ft 20.7s 17s
OK AMW K855 194.8oz 78ft/s 1,012ft/s 19.3G 8,292ft 20.8s 19s
OK Cesaroni K515 178.3oz 63ft/s 956ft/s 12.7G 8,330ft 21.2s 18s
OK Loki K250 183.2oz 63ft/s 760ft/s 14.7G 8,431ft 22.9s 16s
OK Gorilla K700 180.5oz 71ft/s 1,018ft/s 15.4G 8,462ft 21.2s 19s
OK Cesaroni K940 168.2oz 85ft/s 1,083ft/s 22.7G 8,475ft 20.6s 19s
OK Cesaroni K445 169.3oz 69ft/s 942ft/s 13.2G 8,480ft 21.4s 18s
OK Cesaroni K650 190.2oz 68ft/s 1,034ft/s 13.9G 8,593ft 21.3s 19s
OK Gorilla K763 183.2oz 70ft/s 1,047ft/s 16.8G 8,605ft 21.2s 19s
OK Cesaroni K630 169.7oz 73ft/s 1,050ft/s 15.8G 8,674ft 21.1s 18s
OK Cesaroni K520 175.6oz 66ft/s 1,004ft/s 11.6G 8,741ft 21.6s 18s
OK Gorilla K805 182.6oz 72ft/s 1,066ft/s 21.5G 8,806ft 21.2s 19s
OK AMW K710 183.9oz 80ft/s 1,020ft/s 16.3G 8,820ft 21.4s 19s
OK AeroTech K805 174.4oz 78ft/s 1,085ft/s 17.9G 8,879ft 21.2s 19s
OK AMW K670 186.5oz 76ft/s 1,035ft/s 15.1G 8,886ft 21.5s 19s
OK AeroTech K990 194.4oz 76ft/s 1,099ft/s 20.0G 9,006ft 21.4s 19s
OK AeroTech K850 192.0oz 78ft/s 1,112ft/s 20.4G 9,047ft 21.4s 19s
OK AMW K580 184.3oz 81ft/s 1,013ft/s 20.0G 9,157ft 21.8s 19s
OK AeroTech K1103 171.5oz 103ft/s 1,174ft/s 32.8G 9,206ft 21.1s 19s
OK Cesaroni K740 171.8oz 83ft/s 1,149ft/s 17.6G 9,515ft 21.7s 19s
OK AMW K1250 184.0oz 100ft/s 1,190ft/s 30.6G 9,560ft 21.5s 20s
OK Loki K960 181.6oz 106ft/s 1,175ft/s 29.5G 9,636ft 21.6s 20s
OK Loki K527 189.6oz 67ft/s 1,052ft/s 13.4G 9,753ft 22.7s 19s
OK Cesaroni K675 188.4oz 69ft/s 1,123ft/s 16.3G 9,803ft 22.3s 19s
OK Cesaroni K635 182.4oz 72ft/s 1,137ft/s 14.5G 9,847ft 22.3s 19s
OK Gorilla K980 206.7oz 81ft/s 1,148ft/s 22.8G 9,873ft 22.3s 20s
OK Cesaroni K650 180.3oz 77ft/s 1,144ft/s 23.6G 9,890ft 22.2s 19s
OK Cesaroni K490 185.4oz 63ft/s 1,075ft/s 10.6G 9,930ft 23.0s 19s
OK AeroTech K828 198.4oz 89ft/s 1,182ft/s 22.7G 9,976ft 22.2s 20s
OK Cesaroni K1200 177.6oz 100ft/s 1,283ft/s 27.1G 10,025ft 21.8s 20s
OK AeroTech K270 194.1oz 50ft/s 836ft/s 6.9G 10,075ft 24.7s 16s
OK AeroTech K1275 190.1oz 103ft/s 1,261ft/s 28.9G 10,157ft 21.9s 20s
OK Cesaroni K570 179.4oz 77ft/s 1,134ft/s 17.0G 10,331ft 22.7s 19s
OK AMW K1075 213.1oz 86ft/s 1,195ft/s 21.3G 10,338ft 22.7s 21s
OK Cesaroni K600 186.7oz 73ft/s 1,162ft/s 14.0G 10,429ft 22.9s 19s
OK Cesaroni K780 180.0oz 81ft/s 1,258ft/s 19.0G 10,459ft 22.4s 20s
OK AeroTech K700 191.8oz 82ft/s 1,203ft/s 19.2G 10,814ft 22.9s 19s
OK AeroTech K375 194.3oz 90ft/s 1,023ft/s 24.1G 10,842ft 23.8s 18s
OK Cesaroni K815 197.5oz 75ft/s 1,269ft/s 20.9G 10,902ft 23.0s 20s
OK AeroTech K480 193.3oz 77ft/s 1,141ft/s 16.0G 10,951ft 23.5s 19s
OK Cesaroni K750 192.6oz 79ft/s 1,261ft/s 17.2G 11,004ft 23.1s 20s
OK Gorilla K1075 209.6oz 84ft/s 1,293ft/s 21.8G 11,089ft 23.2s 21s
OK KBA K1750 210.5oz 102ft/s 1,404ft/s 39.6G 11,199ft 22.8s 21s
OK Loki K830 204.7oz 66ft/s 1,329ft/s 20.6G 11,200ft 23.5s 21s
OK Cesaroni K711 197.5oz 78ft/s 1,243ft/s 26.6G 11,210ft 23.4s 20s
OK Cesaroni K1440 186.8oz 114ft/s 1,434ft/s 35.9G 11,243ft 22.6s 21s
OK Cesaroni K260 192.2oz 52ft/s 929ft/s 7.1G 11,315ft 25.5s 17s
OK Cesaroni K820 189.9oz 88ft/s 1,302ft/s 30.3G 11,359ft 23.2s 20s
OK KBA K750 213.0oz 84ft/s 1,238ft/s 19.0G 11,465ft 23.7s 20s
OK Gorilla K1185 209.6oz 81ft/s 1,360ft/s 24.3G 11,469ft 23.4s 21s
OK Gorilla K470 202.1oz 79ft/s 1,092ft/s 18.0G 11,500ft 24.1s 19s
OK AMW K1130 210.8oz 95ft/s 1,337ft/s 25.5G 11,586ft 23.5s 21s
OK Cesaroni K590 190.3oz 100ft/s 1,183ft/s 33.3G 11,666ft 23.8s 19s
OK Cesaroni K660 188.7oz 86ft/s 1,275ft/s 19.6G 11,688ft 23.6s 20s
OK AeroTech K1050 197.7oz 99ft/s 1,393ft/s 25.8G 11,720ft 23.4s 21s
OK Loki K350 209.6oz 77ft/s 1,010ft/s 20.0G 11,940ft 25.6s 19s
OK AMW L1276 224.4oz 91ft/s 1,375ft/s 24.6G 11,954ft 23.9s 22s
OK AMW L985 210.7oz 88ft/s 1,355ft/s 24.1G 12,159ft 24.0s 21s
OK KBA L2300 212.8oz 130ft/s 1,516ft/s 51.9G 12,200ft 23.5s 22s
OK AeroTech L1090 205.8oz 89ft/s 1,393ft/s 22.1G 12,205ft 23.9s 21s
OK Cesaroni K300 200.1oz 58ft/s 1,014ft/s 8.8G 12,312ft 26.1s 18s
OK AeroTech L1000 197.4oz 94ft/s 1,446ft/s 23.2G 12,322ft 23.7s 21s
OK Cesaroni L990 198.9oz 95ft/s 1,454ft/s 28.4G 12,609ft 23.9s 21s
OK Cesaroni L1030 202.5oz 88ft/s 1,501ft/s 26.4G 12,627ft 24.0s 21s
OK Loki L1400 209.6oz 101ft/s 1,523ft/s 33.6G 12,676ft 23.9s 22s
OK Cesaroni L265 207.5oz 49ft/s 978ft/s 7.1G 12,688ft 27.5s 17s
OK Cesaroni L730 199.3oz 89ft/s 1,360ft/s 21.0G 12,749ft 24.4s 21s
OK Cesaroni L805 208.3oz 87ft/s 1,399ft/s 24.5G 12,793ft 24.4s 21s
OK Cesaroni L640 199.2oz 95ft/s 1,274ft/s 27.0G 12,906ft 24.7s 20s
OK Cesaroni L935 209.7oz 95ft/s 1,513ft/s 25.4G 13,588ft 24.7s 21s
OK Loki L1040 224.5oz 85ft/s 1,695ft/s 21.9G 15,568ft 26.2s 23s
warningsD AMW K590 180.6oz 12:1 thrust/weight ratio (no data)
warningsD Gorilla K695 172.8oz 14:1 thrust/weight ratio (no data)
warningsD Gorilla K828 184.8oz 16:1 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 (28ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (33ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (46ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (45ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (29ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (37ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (44ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (46ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (43ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (47ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (36ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (45ft/s)
failedG AeroTech K250 speed at end of launch guide too slow (46ft/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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