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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 124 motors that fit and appear to have enough thrust (609 motors didn't fit, 58 motors failed safety checks). 179 motor had thrust curves available and 323 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:   Eagle Claw 4
Owner: Tim Cubbedge
Body Diameter: 4.00in
Dry Weight: 257.5oz
MMT Diameter: 54.0mm
MMT Length: 30.00in
CD: 0.60

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 275.6oz 67ft/s 152ft/s 9.0G 389ft 5.2s 5s
OK Cesaroni I445 277.8oz 51ft/s 166ft/s 5.9G 495ft 6.0s 5s
OK Contrail J292 311.9oz 49ft/s 193ft/s 5.4G 844ft 8.1s 6s
OK Hypertek J270 303.2oz 49ft/s 210ft/s 4.9G 1,034ft 9.0s 6s
OK Cesaroni J1055 284.7oz 82ft/s 281ft/s 13.4G 1,178ft 8.7s 8s
OK Cesaroni J430 285.7oz 50ft/s 273ft/s 5.6G 1,293ft 9.7s 8s
OK AeroTech J460 285.3oz 53ft/s 282ft/s 6.0G 1,384ft 9.9s 8s
OK AeroTech J1299 286.9oz 94ft/s 326ft/s 17.5G 1,505ft 9.7s 9s
OK AMW J1365 297.0oz 92ft/s 348ft/s 17.9G 1,681ft 10.2s 10s
OK AMW J475 307.2oz 50ft/s 328ft/s 6.4G 1,781ft 11.2s 9s
OK Gorilla J465 299.2oz 48ft/s 336ft/s 7.1G 1,853ft 11.5s 9s
OK AMW J395 302.2oz 48ft/s 327ft/s 4.6G 1,890ft 11.8s 9s
OK AMW J325 300.9oz 49ft/s 309ft/s 5.5G 1,902ft 11.9s 9s
OK Gorilla J485 299.5oz 49ft/s 351ft/s 6.0G 1,967ft 11.8s 10s
OK Gorilla J535 300.7oz 58ft/s 368ft/s 7.1G 2,113ft 11.9s 10s
OK AMW J440 300.9oz 66ft/s 361ft/s 8.6G 2,115ft 11.8s 10s
OK Loki J525 301.2oz 54ft/s 372ft/s 7.0G 2,120ft 12.0s 10s
OK AeroTech J401 289.7oz 48ft/s 355ft/s 5.0G 2,123ft 12.3s 10s
OK AeroTech J1799 296.7oz 108ft/s 409ft/s 24.8G 2,161ft 11.4s 11s
OK Cesaroni J1520 293.7oz 96ft/s 408ft/s 20.0G 2,167ft 11.5s 11s
OK AeroTech J540 295.7oz 59ft/s 381ft/s 7.2G 2,268ft 12.3s 10s
OK Loki J820 300.2oz 73ft/s 398ft/s 11.6G 2,283ft 12.0s 11s
OK AMW J475 310.2oz 52ft/s 373ft/s 5.8G 2,326ft 12.8s 10s
OK AMW K1720 305.2oz 102ft/s 437ft/s 22.3G 2,422ft 12.0s 11s
OK AMW J745 300.5oz 70ft/s 413ft/s 9.5G 2,425ft 12.5s 11s
OK AeroTech J415 298.7oz 49ft/s 387ft/s 5.7G 2,544ft 13.4s 10s
OK Cesaroni J449 297.1oz 50ft/s 402ft/s 5.8G 2,561ft 13.4s 11s
OK AeroTech K400 299.6oz 52ft/s 394ft/s 5.5G 2,642ft 13.7s 10s
OK AeroTech J800 295.8oz 69ft/s 434ft/s 10.5G 2,676ft 13.1s 11s
OK Cesaroni J760 295.5oz 67ft/s 445ft/s 9.9G 2,711ft 13.1s 11s
OK AMW K665 318.8oz 57ft/s 436ft/s 8.6G 2,733ft 13.4s 11s
OK Cesaroni K454 306.6oz 50ft/s 419ft/s 5.4G 2,792ft 13.9s 11s
OK Gorilla K520 308.4oz 50ft/s 433ft/s 6.2G 2,806ft 13.9s 11s
OK Gorilla K555 313.1oz 53ft/s 440ft/s 6.6G 2,849ft 13.9s 11s
OK Cesaroni K530 315.3oz 50ft/s 445ft/s 6.0G 2,924ft 14.2s 12s
OK Gorilla K533 318.1oz 51ft/s 442ft/s 7.0G 2,933ft 14.1s 11s
OK Gorilla K630 312.5oz 58ft/s 457ft/s 8.4G 2,971ft 13.9s 12s
OK AMW K535 312.5oz 55ft/s 446ft/s 6.3G 2,995ft 14.2s 12s
OK KBA K700 310.5oz 63ft/s 482ft/s 9.8G 3,098ft 14.0s 12s
OK AeroTech K535 302.1oz 58ft/s 453ft/s 6.6G 3,099ft 14.4s 11s
OK AeroTech K513 315.6oz 54ft/s 462ft/s 6.7G 3,115ft 14.4s 12s
OK AMW K455 310.6oz 60ft/s 439ft/s 8.0G 3,145ft 14.5s 11s
OK AeroTech K2050 303.1oz 107ft/s 522ft/s 24.8G 3,158ft 13.5s 13s
OK Cesaroni K2045 303.0oz 109ft/s 533ft/s 25.7G 3,233ft 13.7s 13s
OK AMW K610 319.8oz 58ft/s 473ft/s 7.4G 3,236ft 14.6s 12s
OK AeroTech K695 310.0oz 63ft/s 492ft/s 9.6G 3,285ft 14.4s 12s
OK Gorilla K327 321.6oz 53ft/s 406ft/s 6.7G 3,400ft 15.6s 10s
OK Cesaroni K400 312.2oz 48ft/s 458ft/s 4.5G 3,437ft 15.7s 12s
OK Cesaroni K500 309.6oz 53ft/s 489ft/s 6.0G 3,531ft 15.4s 12s
OK AMW K935 310.7oz 74ft/s 534ft/s 11.6G 3,562ft 14.7s 13s
OK Loki K690 342.2oz 57ft/s 518ft/s 7.9G 3,576ft 15.2s 13s
OK AMW K700 331.2oz 59ft/s 516ft/s 8.5G 3,582ft 15.1s 13s
OK AeroTech K550 310.0oz 59ft/s 492ft/s 8.5G 3,620ft 15.3s 12s
OK AeroTech K540 302.5oz 63ft/s 504ft/s 9.2G 3,662ft 15.3s 12s
OK Cesaroni K515 315.8oz 54ft/s 499ft/s 6.7G 3,666ft 15.6s 12s
OK Cesaroni K445 306.8oz 58ft/s 485ft/s 6.8G 3,691ft 15.7s 12s
OK AeroTech K1100 304.6oz 83ft/s 552ft/s 14.8G 3,707ft 14.9s 13s
OK Gorilla K700 318.0oz 62ft/s 540ft/s 8.1G 3,788ft 15.6s 13s
OK AMW K855 332.3oz 66ft/s 552ft/s 10.5G 3,834ft 15.4s 13s
OK Cesaroni K940 305.7oz 73ft/s 566ft/s 12.0G 3,848ft 15.2s 13s
OK Cesaroni K520 313.1oz 54ft/s 521ft/s 6.1G 3,891ft 16.1s 13s
OK Cesaroni K630 307.2oz 61ft/s 545ft/s 8.2G 3,922ft 15.8s 13s
OK Gorilla K763 320.7oz 63ft/s 558ft/s 9.0G 3,924ft 15.7s 13s
OK Cesaroni K650 327.7oz 56ft/s 549ft/s 7.3G 3,926ft 15.9s 13s
OK AMW K710 321.4oz 66ft/s 553ft/s 8.9G 4,074ft 15.9s 13s
OK AeroTech K805 311.9oz 66ft/s 572ft/s 9.4G 4,081ft 15.8s 14s
OK AMW K670 324.0oz 65ft/s 558ft/s 8.2G 4,095ft 16.0s 13s
OK Gorilla K805 320.1oz 65ft/s 574ft/s 11.6G 4,095ft 15.8s 14s
OK AMW K580 321.8oz 66ft/s 548ft/s 11.0G 4,251ft 16.3s 13s
OK AeroTech K990 331.9oz 70ft/s 602ft/s 10.9G 4,295ft 16.1s 14s
OK AeroTech K850 329.5oz 70ft/s 606ft/s 11.1G 4,320ft 16.1s 14s
OK AeroTech K1103 309.0oz 88ft/s 624ft/s 17.7G 4,385ft 15.9s 14s
OK Cesaroni K740 309.3oz 67ft/s 606ft/s 9.2G 4,486ft 16.5s 14s
OK Loki K527 327.1oz 59ft/s 572ft/s 7.4G 4,603ft 17.3s 13s
OK Cesaroni K490 322.9oz 53ft/s 571ft/s 5.6G 4,652ft 17.6s 14s
OK AMW K1250 321.5oz 91ft/s 652ft/s 17.0G 4,664ft 16.3s 15s
OK Loki K960 319.1oz 86ft/s 640ft/s 16.3G 4,682ft 16.5s 15s
OK Cesaroni K635 319.9oz 63ft/s 608ft/s 7.7G 4,717ft 17.2s 14s
OK Cesaroni K675 325.9oz 61ft/s 610ft/s 9.0G 4,731ft 17.1s 14s
OK Cesaroni K650 317.8oz 66ft/s 613ft/s 12.9G 4,797ft 17.2s 14s
OK Gorilla K980 344.2oz 74ft/s 652ft/s 13.0G 4,903ft 17.0s 15s
OK Cesaroni K1200 315.1oz 86ft/s 689ft/s 14.7G 4,959ft 16.8s 15s
OK AeroTech K828 335.9oz 74ft/s 656ft/s 13.0G 4,982ft 17.1s 15s
OK Cesaroni K570 316.9oz 67ft/s 611ft/s 9.2G 5,013ft 17.6s 14s
OK Cesaroni K600 324.2oz 60ft/s 628ft/s 7.7G 5,098ft 17.8s 14s
OK AeroTech K1275 327.6oz 90ft/s 697ft/s 16.2G 5,150ft 17.1s 15s
OK AMW K1075 350.6oz 74ft/s 685ft/s 12.5G 5,200ft 17.4s 15s
OK Cesaroni K780 317.5oz 71ft/s 676ft/s 10.3G 5,225ft 17.6s 15s
OK AeroTech K375 331.8oz 80ft/s 560ft/s 13.6G 5,296ft 18.5s 13s
OK AeroTech K480 330.8oz 65ft/s 632ft/s 8.9G 5,498ft 18.4s 14s
OK AeroTech K700 329.3oz 71ft/s 668ft/s 10.7G 5,522ft 18.0s 14s
OK Cesaroni K815 335.0oz 64ft/s 705ft/s 11.9G 5,563ft 18.1s 15s
OK Cesaroni K750 330.1oz 66ft/s 697ft/s 9.5G 5,634ft 18.2s 15s
OK Loki K830 342.2oz 58ft/s 737ft/s 11.4G 5,702ft 18.5s 16s
OK Gorilla K1075 347.1oz 74ft/s 738ft/s 12.3G 5,720ft 18.1s 16s
OK Cesaroni K711 335.0oz 67ft/s 692ft/s 15.3G 5,753ft 18.5s 15s
OK Gorilla K470 339.6oz 67ft/s 616ft/s 10.2G 5,861ft 19.0s 14s
OK Cesaroni K820 327.4oz 73ft/s 724ft/s 17.2G 5,878ft 18.4s 15s
OK Loki K350 347.1oz 65ft/s 563ft/s 11.7G 5,905ft 20.1s 13s
OK Cesaroni K1440 324.3oz 97ft/s 793ft/s 20.0G 5,917ft 17.9s 16s
OK KBA K1750 348.0oz 93ft/s 802ft/s 22.3G 5,921ft 17.9s 16s
OK Gorilla K1185 347.1oz 76ft/s 775ft/s 13.8G 5,978ft 18.4s 16s
OK Cesaroni K590 327.8oz 89ft/s 661ft/s 18.9G 5,984ft 18.8s 15s
OK KBA K750 350.5oz 71ft/s 713ft/s 11.1G 5,997ft 18.7s 15s
OK Cesaroni K300 337.6oz 49ft/s 557ft/s 4.8G 6,030ft 20.6s 12s
OK Cesaroni K660 326.2oz 74ft/s 709ft/s 10.9G 6,049ft 18.8s 15s
OK AMW K1130 348.3oz 80ft/s 771ft/s 15.0G 6,102ft 18.5s 16s
OK AeroTech K1050 335.2oz 81ft/s 785ft/s 14.8G 6,199ft 18.6s 16s
OK AMW L1276 361.9oz 79ft/s 807ft/s 14.3G 6,373ft 18.8s 17s
OK AMW L985 348.2oz 80ft/s 784ft/s 14.2G 6,460ft 19.0s 16s
OK AeroTech L1090 343.3oz 79ft/s 800ft/s 12.8G 6,565ft 19.1s 16s
OK KBA L2300 350.3oz 109ft/s 884ft/s 30.0G 6,599ft 18.6s 17s
OK AeroTech L1000 334.9oz 81ft/s 819ft/s 13.2G 6,697ft 19.2s 16s
OK Cesaroni L730 336.8oz 76ft/s 775ft/s 12.0G 6,862ft 19.7s 16s
OK Cesaroni L990 336.4oz 82ft/s 827ft/s 16.4G 6,863ft 19.4s 17s
OK Cesaroni L640 336.7oz 88ft/s 730ft/s 15.5G 6,893ft 19.9s 15s
OK Cesaroni L1030 340.0oz 76ft/s 850ft/s 15.3G 6,907ft 19.5s 17s
OK Loki L1400 347.1oz 88ft/s 879ft/s 19.1G 6,944ft 19.2s 17s
OK Cesaroni L805 345.8oz 73ft/s 803ft/s 14.4G 6,989ft 19.9s 16s
OK Cesaroni L935 347.2oz 79ft/s 877ft/s 15.0G 7,583ft 20.3s 17s
OK Loki L1040 362.0oz 77ft/s 1,012ft/s 12.9G 9,009ft 21.7s 18s
warningsD AMW K590 318.1oz 7:1 thrust/weight ratio (no data)
warningsD Gorilla K695 310.3oz 8:1 thrust/weight ratio (no data)
warningsD Gorilla K828 322.3oz 9:1 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 (21ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (23ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (35ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (22ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (21ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (30ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (24ft/s)
failedG Contrail J245 speed at end of launch guide too slow (40ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (29ft/s)
failedG Contrail J355 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (33ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (40ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (23ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (36ft/s)
failedG Hypertek J170 speed at end of launch guide too slow (39ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (33ft/s)
failedG Hypertek J250 speed at end of launch guide too slow (43ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (31ft/s)
failedG AeroTech J315 speed at end of launch guide too slow (42ft/s)
failedG AeroTech J180 speed at end of launch guide too slow (39ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (36ft/s)
failedG Hypertek J190 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (39ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (33ft/s)
failedG Loki J350 speed at end of launch guide too slow (41ft/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 (42ft/s)
failedG Cesaroni J360 speed at end of launch guide too slow (40ft/s)
failedG Gorilla J395 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J380 speed at end of launch guide too slow (40ft/s)
failedG AeroTech J450 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (30ft/s)
failedG Gorilla J450 speed at end of launch guide too slow (47ft/s)
failedG Loki J175 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J355 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J295 speed at end of launch guide too slow (46ft/s)
failedG Loki J300 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni K360 speed at end of launch guide too slow (43ft/s)
failedG AeroTech K456 speed at end of launch guide too slow (47ft/s)
failedG Gorilla K222 speed at end of launch guide too slow (43ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (32ft/s)
failedG Loki K250 speed at end of launch guide too slow (47ft/s)
failedG AeroTech K270 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni K260 speed at end of launch guide too slow (43ft/s)
failedG AeroTech K250 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni L265 speed at end of launch guide too slow (42ft/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.)

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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