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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 83 motors that fit and appear to have enough thrust (673 motors didn't fit, 46 motors failed safety checks). 126 motor had thrust curves available and 218 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:   Saab 4 Bunker Buster
Owner: Edward Lizotte
Body Diameter: 4.01in
Dry Weight: 183.5oz
MMT Diameter: 54.0mm
MMT Length: 21.80in
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 AeroTech I599 201.6oz 70ft/s 214ft/s 12.6G 690ft 6.7s 6s
OK Cesaroni I445 203.8oz 53ft/s 237ft/s 8.4G 872ft 7.7s 7s
OK Cesaroni J1055 210.7oz 80ft/s 387ft/s 18.4G 1,776ft 10.2s 10s
OK Cesaroni J430 211.7oz 51ft/s 381ft/s 7.9G 1,982ft 11.3s 9s
OK AeroTech J460 211.3oz 55ft/s 391ft/s 8.5G 2,080ft 11.5s 9s
OK AeroTech J1299 212.9oz 94ft/s 445ft/s 24.0G 2,152ft 11.1s 10s
OK AMW J1365 223.0oz 89ft/s 469ft/s 24.2G 2,335ft 11.5s 11s
OK AMW J475 233.2oz 50ft/s 444ft/s 8.7G 2,512ft 12.6s 10s
OK AeroTech J450 226.6oz 48ft/s 458ft/s 7.6G 2,650ft 13.0s 11s
OK AMW J325 226.9oz 50ft/s 419ft/s 7.6G 2,718ft 13.4s 10s
OK Gorilla J485 225.5oz 49ft/s 476ft/s 8.3G 2,737ft 13.0s 11s
OK AeroTech J1799 222.7oz 105ft/s 550ft/s 33.5G 2,824ft 12.3s 12s
OK Cesaroni J1520 219.7oz 95ft/s 552ft/s 27.0G 2,847ft 12.4s 12s
OK AMW J440 226.9oz 66ft/s 481ft/s 11.7G 2,857ft 13.0s 11s
OK Gorilla J535 226.7oz 60ft/s 495ft/s 9.8G 2,861ft 13.1s 11s
OK Loki J525 227.2oz 55ft/s 501ft/s 9.5G 2,876ft 13.1s 11s
OK AeroTech J401 215.7oz 49ft/s 484ft/s 7.0G 2,939ft 13.5s 11s
OK Loki J820 226.2oz 77ft/s 530ft/s 15.5G 2,987ft 12.9s 11s
OK AeroTech J540 221.7oz 60ft/s 513ft/s 10.0G 3,030ft 13.4s 11s
OK AMW K1720 231.2oz 105ft/s 582ft/s 29.9G 3,086ft 12.9s 12s
OK AMW J475 236.2oz 53ft/s 497ft/s 7.9G 3,111ft 13.9s 11s
OK AMW J745 226.5oz 67ft/s 551ft/s 12.9G 3,157ft 13.4s 12s
OK AeroTech J415 224.7oz 49ft/s 517ft/s 7.8G 3,356ft 14.3s 11s
OK AeroTech K456 235.8oz 48ft/s 531ft/s 6.9G 3,372ft 14.4s 11s
OK Cesaroni J449 223.1oz 52ft/s 539ft/s 8.1G 3,373ft 14.3s 11s
OK AeroTech J800 221.8oz 71ft/s 579ft/s 14.4G 3,400ft 13.8s 12s
OK Cesaroni J760 221.5oz 68ft/s 596ft/s 13.6G 3,438ft 13.8s 12s
OK AMW K665 244.8oz 57ft/s 573ft/s 11.4G 3,451ft 14.1s 12s
OK AeroTech K400 225.6oz 53ft/s 524ft/s 7.6G 3,480ft 14.6s 11s
OK Gorilla K520 234.4oz 51ft/s 573ft/s 8.3G 3,591ft 14.7s 12s
OK Cesaroni K454 232.6oz 50ft/s 554ft/s 7.5G 3,595ft 14.8s 12s
OK Gorilla K555 239.1oz 51ft/s 581ft/s 8.9G 3,614ft 14.7s 12s
OK Gorilla K533 244.1oz 51ft/s 578ft/s 9.5G 3,685ft 14.8s 12s
OK Cesaroni K530 241.3oz 51ft/s 588ft/s 7.9G 3,688ft 14.8s 12s
OK Gorilla K630 238.5oz 58ft/s 600ft/s 11.3G 3,697ft 14.5s 12s
OK AeroTech K2050 229.1oz 105ft/s 693ft/s 33.2G 3,760ft 13.9s 13s
OK AMW K535 238.5oz 54ft/s 584ft/s 8.6G 3,763ft 14.9s 12s
OK KBA K700 236.5oz 65ft/s 634ft/s 13.0G 3,795ft 14.5s 13s
OK Cesaroni K2045 229.0oz 109ft/s 710ft/s 34.4G 3,820ft 13.9s 13s
OK AeroTech K513 241.6oz 54ft/s 603ft/s 8.8G 3,847ft 14.9s 12s
OK AeroTech K535 228.1oz 59ft/s 594ft/s 9.1G 3,855ft 14.9s 12s
OK AMW K455 236.6oz 60ft/s 569ft/s 10.8G 3,920ft 15.1s 12s
OK AeroTech K695 236.0oz 63ft/s 642ft/s 13.0G 3,961ft 14.8s 13s
OK AMW K610 245.8oz 58ft/s 614ft/s 9.9G 3,961ft 15.1s 12s
OK AMW K935 236.7oz 76ft/s 697ft/s 15.5G 4,188ft 14.9s 13s
OK Loki K690 268.2oz 56ft/s 666ft/s 10.3G 4,227ft 15.4s 13s
OK AMW K700 257.2oz 59ft/s 664ft/s 11.0G 4,230ft 15.4s 13s
OK Gorilla K327 247.6oz 51ft/s 518ft/s 9.0G 4,245ft 16.2s 11s
OK Cesaroni K400 238.2oz 48ft/s 594ft/s 6.2G 4,264ft 16.2s 12s
OK Cesaroni K500 235.6oz 53ft/s 634ft/s 8.2G 4,272ft 15.7s 13s
OK AeroTech K1100 230.6oz 84ft/s 721ft/s 19.9G 4,288ft 14.9s 13s
OK AeroTech K550 236.0oz 60ft/s 633ft/s 11.4G 4,308ft 15.5s 12s
OK AeroTech K540 228.5oz 66ft/s 652ft/s 12.5G 4,334ft 15.4s 12s
OK Cesaroni K515 241.8oz 55ft/s 642ft/s 9.1G 4,384ft 15.9s 13s
OK AMW K855 258.3oz 65ft/s 709ft/s 13.6G 4,417ft 15.4s 13s
OK Loki K250 246.7oz 50ft/s 486ft/s 10.7G 4,427ft 17.5s 11s
OK Cesaroni K940 231.7oz 75ft/s 739ft/s 16.2G 4,428ft 15.2s 13s
OK Cesaroni K445 232.8oz 58ft/s 622ft/s 9.3G 4,441ft 16.0s 12s
OK Gorilla K700 244.0oz 60ft/s 698ft/s 10.8G 4,444ft 15.7s 13s
OK Gorilla K763 246.7oz 60ft/s 720ft/s 11.9G 4,537ft 15.7s 13s
OK Cesaroni K630 233.2oz 61ft/s 704ft/s 11.2G 4,551ft 15.7s 13s
OK Cesaroni K650 253.7oz 57ft/s 707ft/s 9.4G 4,553ft 15.9s 13s
OK Cesaroni K520 239.1oz 54ft/s 670ft/s 8.3G 4,592ft 16.2s 13s
OK Gorilla K805 246.1oz 62ft/s 735ft/s 15.2G 4,654ft 15.7s 14s
OK AeroTech K805 237.9oz 65ft/s 738ft/s 12.5G 4,667ft 15.7s 13s
OK AMW K710 247.4oz 66ft/s 702ft/s 11.8G 4,681ft 15.9s 13s
OK AMW K670 250.0oz 65ft/s 712ft/s 11.0G 4,711ft 16.0s 13s
OK AeroTech K1103 235.0oz 87ft/s 806ft/s 23.6G 4,846ft 15.5s 14s
OK AMW K580 247.8oz 66ft/s 691ft/s 14.6G 4,869ft 16.3s 13s
OK Cesaroni K740 235.3oz 67ft/s 776ft/s 12.4G 5,010ft 16.1s 14s
OK AMW K1250 247.5oz 87ft/s 835ft/s 22.4G 5,075ft 15.8s 14s
OK Loki K960 245.1oz 90ft/s 814ft/s 21.6G 5,113ft 16.0s 14s
OK Loki K527 253.1oz 60ft/s 717ft/s 9.8G 5,212ft 17.1s 13s
OK Cesaroni K635 245.9oz 61ft/s 766ft/s 10.3G 5,235ft 16.7s 14s
OK Cesaroni K650 243.8oz 66ft/s 773ft/s 17.2G 5,283ft 16.7s 13s
OK Cesaroni K490 248.9oz 52ft/s 715ft/s 7.5G 5,284ft 17.3s 13s
OK Cesaroni K1200 241.1oz 84ft/s 884ft/s 19.5G 5,302ft 16.1s 14s
OK Cesaroni K570 242.9oz 67ft/s 760ft/s 12.3G 5,511ft 17.1s 13s
OK Cesaroni K600 250.2oz 62ft/s 782ft/s 10.2G 5,576ft 17.2s 14s
OK Cesaroni K780 243.5oz 70ft/s 852ft/s 13.8G 5,578ft 16.8s 14s
warningsD AMW K590 244.1oz 9:1 thrust/weight ratio (no data)
warningsD Gorilla K695 236.3oz 11:1 thrust/weight ratio (no data)
warningsD Gorilla K828 248.3oz 12:1 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 (22ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (25ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (37ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (36ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (23ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (36ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (42ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (38ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (34ft/s)
failedG AeroTech J315 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J180 speed at end of launch guide too slow (42ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (40ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (34ft/s)
failedG Loki J350 speed at end of launch guide too slow (42ft/s)
failedG Gorilla J167 speed at end of launch guide too slow (40ft/s)
failedG AMW J400 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J360 speed at end of launch guide too slow (41ft/s)
failedG Gorilla J465 speed at end of launch guide too slow (47ft/s)
failedG Gorilla J395 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J380 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (31ft/s)
failedG AMW J395 speed at end of launch guide too slow (47ft/s)
failedG Gorilla J450 speed at end of launch guide too slow (46ft/s)
failedG Loki J175 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J355 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni J295 speed at end of launch guide too slow (47ft/s)
failedG Loki J300 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni K360 speed at end of launch guide too slow (43ft/s)
failedG Gorilla K222 speed at end of launch guide too slow (44ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (39ft/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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