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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 73 motors that fit and appear to have enough thrust (609 motors didn't fit, 109 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 54mm
Owner: Craig Rutherford
Body Diameter: 8.00in
Dry Weight: 28.00lb
MMT Diameter: 54.0mm
MMT Length: 30.00in
CD: 0.43

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 Cesaroni J1055 29.70lb 62ft/s 158ft/s 7.5G 415ft 5.4s 5s
OK AeroTech J1299 29.84lb 72ft/s 186ft/s 10.0G 548ft 6.1s 5s
OK AMW J1365 30.47lb 72ft/s 201ft/s 10.4G 629ft 6.5s 6s
OK AMW J440 30.71lb 49ft/s 196ft/s 4.9G 778ft 7.6s 6s
OK Cesaroni J1520 30.26lb 74ft/s 235ft/s 11.5G 821ft 7.3s 7s
OK AeroTech J1799 30.45lb 84ft/s 238ft/s 14.6G 830ft 7.3s 7s
OK Loki J820 30.67lb 56ft/s 223ft/s 6.6G 863ft 7.7s 6s
OK AMW J745 30.69lb 52ft/s 231ft/s 5.4G 911ft 8.0s 6s
OK AMW K1720 30.98lb 80ft/s 257ft/s 13.2G 951ft 7.8s 7s
OK AeroTech J800 30.39lb 53ft/s 240ft/s 6.0G 1,007ft 8.5s 7s
OK Cesaroni J760 30.37lb 51ft/s 247ft/s 5.6G 1,020ft 8.5s 7s
OK KBA K700 31.31lb 48ft/s 273ft/s 5.6G 1,209ft 9.2s 7s
OK AeroTech K2050 30.85lb 85ft/s 306ft/s 14.6G 1,270ft 8.9s 8s
OK AeroTech K695 31.28lb 49ft/s 274ft/s 5.5G 1,283ft 9.6s 7s
OK Cesaroni K2045 30.84lb 85ft/s 313ft/s 15.2G 1,303ft 9.0s 8s
OK AeroTech K540 30.81lb 48ft/s 274ft/s 5.2G 1,424ft 10.2s 7s
OK AMW K935 31.32lb 59ft/s 307ft/s 6.8G 1,434ft 9.8s 8s
OK AeroTech K1100 30.95lb 63ft/s 315ft/s 8.7G 1,495ft 9.9s 8s
OK Gorilla K700 31.78lb 48ft/s 304ft/s 4.6G 1,509ft 10.5s 8s
OK Cesaroni K940 31.01lb 56ft/s 322ft/s 7.0G 1,550ft 10.2s 8s
OK AMW K855 32.68lb 51ft/s 320ft/s 6.1G 1,582ft 10.4s 8s
OK Gorilla K763 31.95lb 49ft/s 317ft/s 5.2G 1,585ft 10.6s 8s
OK AeroTech K805 31.40lb 51ft/s 322ft/s 5.4G 1,647ft 10.7s 8s
OK AMW K670 32.16lb 50ft/s 316ft/s 4.8G 1,668ft 10.9s 8s
OK AMW K710 31.99lb 52ft/s 313ft/s 5.2G 1,668ft 10.8s 8s
OK Gorilla K805 31.91lb 51ft/s 329ft/s 6.8G 1,682ft 10.7s 9s
OK AMW K580 32.02lb 51ft/s 307ft/s 6.6G 1,738ft 11.1s 8s
OK AeroTech K990 32.65lb 54ft/s 350ft/s 6.4G 1,799ft 11.0s 9s
OK AeroTech K850 32.50lb 54ft/s 351ft/s 6.5G 1,806ft 11.0s 9s
OK AeroTech K1103 31.22lb 66ft/s 360ft/s 10.6G 1,824ft 10.8s 9s
OK Cesaroni K740 31.24lb 52ft/s 341ft/s 5.3G 1,830ft 11.2s 9s
OK Loki K960 31.85lb 66ft/s 372ft/s 9.8G 1,980ft 11.3s 9s
OK Cesaroni K650 31.77lb 50ft/s 343ft/s 7.7G 1,985ft 11.9s 8s
OK AMW K1250 32.00lb 70ft/s 385ft/s 10.3G 1,990ft 11.1s 9s
OK Cesaroni K570 31.71lb 51ft/s 339ft/s 5.4G 2,078ft 12.2s 8s
OK Cesaroni K1200 31.60lb 65ft/s 401ft/s 8.8G 2,106ft 11.5s 10s
OK Gorilla K980 33.42lb 58ft/s 387ft/s 7.8G 2,130ft 11.7s 10s
OK AeroTech K828 32.90lb 56ft/s 382ft/s 7.9G 2,140ft 11.9s 9s
OK AeroTech K375 32.64lb 64ft/s 301ft/s 8.3G 2,201ft 13.0s 7s
OK Cesaroni K780 31.75lb 54ft/s 383ft/s 6.1G 2,204ft 12.2s 9s
OK AeroTech K1275 32.38lb 70ft/s 410ft/s 9.8G 2,235ft 11.8s 10s
OK AMW K1075 33.82lb 58ft/s 410ft/s 7.8G 2,284ft 12.1s 10s
OK AeroTech K480 32.58lb 48ft/s 354ft/s 5.3G 2,339ft 13.0s 8s
OK AeroTech K700 32.49lb 55ft/s 382ft/s 6.3G 2,387ft 12.6s 9s
OK Cesaroni K815 32.84lb 51ft/s 408ft/s 7.2G 2,407ft 12.7s 10s
OK Cesaroni K750 32.53lb 51ft/s 399ft/s 5.6G 2,432ft 12.8s 10s
OK Cesaroni K711 32.85lb 51ft/s 394ft/s 9.4G 2,490ft 13.0s 10s
OK Gorilla K1075 33.60lb 58ft/s 440ft/s 7.3G 2,533ft 12.7s 10s
OK Gorilla K470 33.13lb 53ft/s 344ft/s 6.2G 2,535ft 13.5s 8s
OK Cesaroni K820 32.37lb 58ft/s 418ft/s 10.5G 2,567ft 12.9s 10s
OK Cesaroni K590 32.40lb 69ft/s 371ft/s 11.6G 2,600ft 13.3s 9s
OK Cesaroni K1440 32.17lb 77ft/s 469ft/s 12.2G 2,619ft 12.5s 11s
OK Cesaroni K660 32.30lb 55ft/s 403ft/s 6.5G 2,628ft 13.3s 10s
OK Gorilla K1185 33.60lb 60ft/s 463ft/s 8.3G 2,661ft 12.9s 11s
OK KBA K1750 33.65lb 75ft/s 487ft/s 13.5G 2,666ft 12.5s 11s
OK KBA K750 33.81lb 55ft/s 417ft/s 6.9G 2,670ft 13.3s 10s
OK AMW K1130 33.67lb 65ft/s 461ft/s 9.3G 2,742ft 13.0s 11s
OK AeroTech K1050 32.86lb 64ft/s 463ft/s 9.1G 2,761ft 13.1s 11s
OK AMW L1276 34.53lb 65ft/s 491ft/s 8.7G 2,905ft 13.3s 11s
OK AMW L985 33.67lb 64ft/s 467ft/s 8.8G 2,916ft 13.5s 11s
OK AeroTech L1090 33.36lb 63ft/s 473ft/s 7.9G 2,966ft 13.6s 11s
OK AeroTech L1000 32.84lb 62ft/s 481ft/s 8.1G 3,021ft 13.6s 11s
OK KBA L2300 33.80lb 89ft/s 547ft/s 18.6G 3,034ft 13.0s 12s
OK Cesaroni L730 32.95lb 59ft/s 448ft/s 7.3G 3,078ft 14.1s 10s
OK Cesaroni L640 32.95lb 68ft/s 416ft/s 9.4G 3,092ft 14.2s 9s
OK Cesaroni L990 32.93lb 62ft/s 485ft/s 10.1G 3,103ft 13.8s 11s
OK Cesaroni L1030 33.15lb 60ft/s 499ft/s 9.5G 3,125ft 13.9s 11s
OK Cesaroni L805 33.52lb 56ft/s 467ft/s 8.9G 3,166ft 14.3s 10s
OK Loki L1400 33.60lb 70ft/s 530ft/s 11.4G 3,183ft 13.6s 12s
OK Cesaroni L935 33.60lb 63ft/s 517ft/s 9.3G 3,497ft 14.6s 11s
OK Loki L1040 34.53lb 62ft/s 608ft/s 7.8G 4,282ft 15.8s 12s
warningsD Gorilla K695 31.30lb 5:1 thrust/weight ratio (no data)
warningsD Gorilla K828 32.05lb 6:1 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 (8ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (9ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (22ft/s)
failedA AeroTech I599 rocket doesn't reach a safe altitude (125ft)
failedG AeroTech I229 speed at end of launch guide too slow (24ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (10ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (17ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (13ft/s)
failedG Cesaroni I445 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (23ft/s)
failed5 Cesaroni I120 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG Cesaroni I165 speed at end of launch guide too slow (15ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (17ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (8ft/s)
failedG Contrail J245 speed at end of launch guide too slow (28ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (15ft/s)
failedG Contrail J355 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (22ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (20ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (28ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (13ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (25ft/s)
failedG Hypertek J170 speed at end of launch guide too slow (25ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (23ft/s)
failedG Contrail J292 speed at end of launch guide too slow (35ft/s)
failedG Hypertek J250 speed at end of launch guide too slow (30ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (19ft/s)
failedG AeroTech J315 speed at end of launch guide too slow (30ft/s)
failedG AeroTech J180 speed at end of launch guide too slow (27ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (26ft/s)
failedG Hypertek J270 speed at end of launch guide too slow (35ft/s)
failedG AeroTech J460 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni J430 speed at end of launch guide too slow (36ft/s)
failedG Hypertek J190 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (23ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (27ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (22ft/s)
failedG Loki J350 speed at end of launch guide too slow (30ft/s)
failedG Gorilla J167 speed at end of launch guide too slow (25ft/s)
failedG AMW J400 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni J360 speed at end of launch guide too slow (29ft/s)
failedG Gorilla J465 speed at end of launch guide too slow (35ft/s)
failedG AMW J475 speed at end of launch guide too slow (37ft/s)
failedG Gorilla J395 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni J380 speed at end of launch guide too slow (29ft/s)
failedG AeroTech J450 speed at end of launch guide too slow (35ft/s)
failedG Gorilla J485 speed at end of launch guide too slow (37ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (20ft/s)
failedG AMW J395 speed at end of launch guide too slow (35ft/s)
failedG AMW J325 speed at end of launch guide too slow (35ft/s)
failedG Loki J525 speed at end of launch guide too slow (41ft/s)
failedG Gorilla J535 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J401 speed at end of launch guide too slow (35ft/s)
failedG Gorilla J450 speed at end of launch guide too slow (36ft/s)
failedG Loki J175 speed at end of launch guide too slow (28ft/s)
failedG AeroTech J540 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J355 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni J295 speed at end of launch guide too slow (33ft/s)
failedG Loki J300 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (17ft/s)
failedG AeroTech J415 speed at end of launch guide too slow (36ft/s)
failedG AMW J475 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni J449 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni K360 speed at end of launch guide too slow (31ft/s)
failedG AeroTech K456 speed at end of launch guide too slow (35ft/s)
failedG AeroTech K400 speed at end of launch guide too slow (38ft/s)
failedG Gorilla K222 speed at end of launch guide too slow (30ft/s)
failed5 AMW K590 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG Gorilla K520 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni K454 speed at end of launch guide too slow (37ft/s)
failedG AMW K665 speed at end of launch guide too slow (44ft/s)
failedG Gorilla K555 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni K530 speed at end of launch guide too slow (37ft/s)
failedG Gorilla K630 speed at end of launch guide too slow (45ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (26ft/s)
failedG Gorilla K533 speed at end of launch guide too slow (39ft/s)
failedG AeroTech K535 speed at end of launch guide too slow (43ft/s)
failedG AMW K535 speed at end of launch guide too slow (42ft/s)
failedG AMW K455 speed at end of launch guide too slow (45ft/s)
failedG AeroTech K513 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (21ft/s)
failedG AMW K610 speed at end of launch guide too slow (44ft/s)
failedG AeroTech K550 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni K500 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni K400 speed at end of launch guide too slow (35ft/s)
failedG Loki K250 speed at end of launch guide too slow (32ft/s)
failedG Gorilla K327 speed at end of launch guide too slow (41ft/s)
failedG Loki K690 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni K445 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni K515 speed at end of launch guide too slow (40ft/s)
failedG AMW K700 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni K630 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni K520 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni K650 speed at end of launch guide too slow (42ft/s)
failedG AeroTech K270 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni K490 speed at end of launch guide too slow (40ft/s)
failedG Loki K527 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni K635 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni K675 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni K600 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni K260 speed at end of launch guide too slow (31ft/s)
failedG Loki K830 speed at end of launch guide too slow (45ft/s)
failedG AeroTech K250 speed at end of launch guide too slow (29ft/s)
failedG Loki K350 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni K300 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni L265 speed at end of launch guide too slow (30ft/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.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

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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