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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 100 motors that fit and appear to have enough thrust (681 motors didn't fit, 30 motors failed safety checks). 127 motor had thrust curves available and 221 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:   Exacta54mm
Owner: John Taylor
Body Diameter: 4.00in
Dry Weight: 8.30lb
MMT Diameter: 54.0mm
MMT Length: 20.00in
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 9.43lb 81ft/s 292ft/s 17.2G 1,083ft 8.1s 7s
OK Cesaroni I445 9.57lb 60ft/s 324ft/s 11.5G 1,337ft 9.1s 8s
OK AeroTech J250 9.86lb 49ft/s 392ft/s 6.7G 2,203ft 11.8s 9s
OK AeroTech J315 10.18lb 51ft/s 430ft/s 7.4G 2,337ft 12.0s 9s
OK Cesaroni J1055 10.00lb 95ft/s 515ft/s 24.6G 2,345ft 11.2s 10s
OK AeroTech J180 10.08lb 48ft/s 380ft/s 6.3G 2,491ft 12.8s 8s
OK Cesaroni J430 10.06lb 61ft/s 505ft/s 10.7G 2,623ft 12.3s 10s
OK AeroTech J460 10.04lb 64ft/s 515ft/s 11.4G 2,713ft 12.3s 10s
OK AeroTech J1299 10.14lb 104ft/s 588ft/s 31.8G 2,723ft 11.8s 11s
OK AMW J1365 10.77lb 104ft/s 610ft/s 31.7G 2,903ft 12.2s 12s
OK AMW J400 11.35lb 49ft/s 527ft/s 8.5G 2,944ft 13.2s 11s
OK Loki J350 11.08lb 49ft/s 525ft/s 8.2G 2,973ft 13.3s 11s
OK AMW J475 11.41lb 55ft/s 570ft/s 11.3G 3,137ft 13.3s 11s
OK Cesaroni J380 11.15lb 48ft/s 569ft/s 7.7G 3,236ft 13.7s 11s
OK Gorilla J395 10.86lb 51ft/s 570ft/s 8.6G 3,242ft 13.7s 11s
OK Gorilla J465 10.91lb 53ft/s 590ft/s 12.6G 3,249ft 13.4s 11s
OK AeroTech J450 11.00lb 53ft/s 590ft/s 10.1G 3,305ft 13.6s 11s
OK AeroTech J1799 10.75lb 121ft/s 716ft/s 43.9G 3,345ft 12.7s 12s
OK AMW J395 11.10lb 55ft/s 569ft/s 8.6G 3,357ft 13.9s 11s
OK Gorilla J485 10.92lb 57ft/s 613ft/s 10.9G 3,377ft 13.6s 11s
OK Cesaroni J1520 10.56lb 110ft/s 721ft/s 35.2G 3,381ft 12.8s 12s
OK Gorilla J450 11.51lb 52ft/s 595ft/s 10.9G 3,402ft 13.9s 11s
OK AMW J325 11.01lb 59ft/s 532ft/s 10.0G 3,414ft 14.1s 11s
OK AMW J440 11.01lb 77ft/s 610ft/s 15.4G 3,467ft 13.5s 11s
OK Gorilla J535 11.00lb 68ft/s 635ft/s 12.9G 3,467ft 13.5s 11s
OK Loki J525 11.03lb 66ft/s 643ft/s 12.3G 3,490ft 13.6s 12s
OK Loki J820 10.97lb 88ft/s 679ft/s 20.3G 3,541ft 13.3s 12s
OK AeroTech J401 10.31lb 58ft/s 623ft/s 9.5G 3,593ft 14.0s 11s
OK AMW K1720 11.28lb 120ft/s 749ft/s 38.7G 3,610ft 13.2s 13s
OK AeroTech J540 10.69lb 67ft/s 656ft/s 13.2G 3,624ft 13.7s 11s
OK Loki J175 11.06lb 48ft/s 458ft/s 7.6G 3,660ft 15.3s 9s
OK AMW J745 10.99lb 77ft/s 705ft/s 16.9G 3,734ft 13.8s 12s
OK AMW J475 11.59lb 60ft/s 628ft/s 10.4G 3,749ft 14.3s 11s
OK Cesaroni J355 10.89lb 52ft/s 602ft/s 8.0G 3,752ft 14.6s 11s
OK Loki J300 11.20lb 51ft/s 562ft/s 7.1G 3,794ft 15.0s 11s
OK Cesaroni J295 10.77lb 54ft/s 566ft/s 8.2G 3,828ft 14.8s 11s
OK AeroTech J800 10.69lb 82ft/s 738ft/s 19.0G 3,944ft 13.9s 12s
OK AeroTech J415 10.88lb 57ft/s 653ft/s 10.2G 3,984ft 14.6s 11s
OK Cesaroni J760 10.67lb 80ft/s 762ft/s 17.9G 3,985ft 14.0s 12s
OK Gorilla K222 11.82lb 50ft/s 480ft/s 7.1G 3,990ft 16.0s 9s
OK AeroTech K456 11.57lb 55ft/s 669ft/s 9.1G 3,995ft 14.7s 12s
OK Cesaroni J449 10.77lb 61ft/s 685ft/s 10.7G 3,999ft 14.6s 12s
OK AMW K665 12.13lb 63ft/s 718ft/s 14.5G 4,007ft 14.3s 12s
OK Cesaroni K360 11.02lb 50ft/s 648ft/s 7.1G 4,050ft 15.1s 12s
OK AeroTech K400 10.93lb 61ft/s 658ft/s 10.1G 4,141ft 15.0s 12s
OK Gorilla K520 11.48lb 59ft/s 720ft/s 10.7G 4,199ft 14.9s 12s
OK AeroTech K2050 11.15lb 126ft/s 890ft/s 43.0G 4,200ft 13.8s 13s
OK Gorilla K555 11.78lb 58ft/s 730ft/s 11.5G 4,206ft 14.9s 12s
OK Cesaroni K454 11.37lb 57ft/s 694ft/s 9.8G 4,212ft 15.0s 12s
OK Cesaroni K2045 11.14lb 122ft/s 914ft/s 44.7G 4,243ft 13.8s 13s
OK AMW K475 11.59lb 57ft/s 710ft/s 9.8G 4,252ft 15.0s 12s
OK Gorilla K630 11.74lb 65ft/s 752ft/s 14.4G 4,256ft 14.7s 12s
OK Cesaroni K530 11.92lb 59ft/s 737ft/s 10.0G 4,263ft 15.0s 12s
OK Gorilla K533 12.08lb 58ft/s 719ft/s 12.2G 4,266ft 14.9s 12s
OK KBA K700 11.61lb 71ft/s 798ft/s 16.4G 4,325ft 14.6s 13s
OK AMW K535 11.74lb 64ft/s 727ft/s 11.2G 4,356ft 15.1s 12s
OK AeroTech K513 11.93lb 60ft/s 749ft/s 11.3G 4,399ft 15.0s 12s
OK AeroTech K535 11.09lb 67ft/s 740ft/s 12.0G 4,418ft 15.0s 12s
OK AeroTech K695 11.58lb 70ft/s 801ft/s 16.9G 4,459ft 14.7s 12s
OK AMW K455 11.62lb 71ft/s 699ft/s 14.0G 4,521ft 15.3s 12s
OK AMW K610 12.19lb 64ft/s 760ft/s 12.8G 4,522ft 15.2s 13s
OK AMW K935 11.62lb 85ft/s 871ft/s 20.0G 4,660ft 14.8s 13s
OK AeroTech K1100 11.25lb 97ft/s 903ft/s 25.8G 4,710ft 14.6s 13s
OK AMW K700 12.90lb 68ft/s 816ft/s 13.7G 4,725ft 15.3s 13s
OK Loki K690 13.59lb 61ft/s 817ft/s 13.0G 4,731ft 15.4s 13s
OK Cesaroni K500 11.55lb 60ft/s 780ft/s 10.7G 4,822ft 15.7s 12s
OK AeroTech K540 11.11lb 73ft/s 802ft/s 16.3G 4,822ft 15.2s 12s
OK AeroTech K550 11.58lb 68ft/s 775ft/s 14.7G 4,823ft 15.4s 12s
OK Cesaroni K940 11.31lb 85ft/s 926ft/s 21.0G 4,854ft 14.9s 13s
OK AMW K855 12.98lb 73ft/s 871ft/s 17.0G 4,867ft 15.3s 13s
OK Cesaroni K400 11.72lb 56ft/s 727ft/s 8.2G 4,886ft 16.2s 12s
OK Gorilla K327 12.31lb 60ft/s 626ft/s 11.6G 4,910ft 16.4s 11s
OK Cesaroni K515 11.95lb 62ft/s 787ft/s 11.7G 4,925ft 15.8s 12s
OK Gorilla K700 12.08lb 66ft/s 862ft/s 13.9G 4,946ft 15.6s 13s
OK Gorilla K763 12.25lb 69ft/s 890ft/s 15.3G 5,004ft 15.5s 13s
OK Cesaroni K445 11.38lb 67ft/s 757ft/s 12.2G 5,006ft 15.9s 12s
OK Cesaroni K630 11.41lb 71ft/s 868ft/s 14.6G 5,011ft 15.5s 13s
OK Cesaroni K650 12.69lb 63ft/s 869ft/s 11.8G 5,023ft 15.7s 13s
OK Gorilla K805 12.21lb 71ft/s 903ft/s 19.3G 5,085ft 15.4s 13s
OK AeroTech K805 11.70lb 74ft/s 910ft/s 16.2G 5,107ft 15.5s 13s
OK Cesaroni K520 11.77lb 64ft/s 818ft/s 10.8G 5,117ft 16.0s 13s
OK AMW K710 12.29lb 74ft/s 854ft/s 15.1G 5,160ft 15.7s 13s
OK AMW K670 12.46lb 75ft/s 868ft/s 14.0G 5,195ft 15.8s 13s
OK AeroTech K1103 11.52lb 104ft/s 1,001ft/s 30.4G 5,196ft 15.1s 13s
OK Loki K250 12.25lb 61ft/s 589ft/s 13.7G 5,217ft 17.7s 11s
OK AMW K580 12.32lb 75ft/s 833ft/s 18.7G 5,363ft 16.0s 13s
OK Cesaroni K740 11.54lb 76ft/s 950ft/s 16.1G 5,413ft 15.7s 13s
OK AMW K1250 12.30lb 102ft/s 1,027ft/s 28.5G 5,417ft 15.4s 14s
OK Loki K960 12.15lb 99ft/s 996ft/s 27.5G 5,467ft 15.6s 14s
OK Cesaroni K1200 11.90lb 93ft/s 1,089ft/s 24.9G 5,590ft 15.5s 14s
OK Cesaroni K635 12.20lb 67ft/s 923ft/s 13.2G 5,647ft 16.3s 13s
OK Cesaroni K650 12.07lb 76ft/s 933ft/s 21.9G 5,672ft 16.2s 13s
OK Loki K527 12.65lb 66ft/s 860ft/s 12.5G 5,713ft 16.8s 13s
OK Cesaroni K490 12.39lb 62ft/s 852ft/s 9.7G 5,782ft 17.0s 13s
OK Cesaroni K780 12.05lb 80ft/s 1,029ft/s 17.6G 5,883ft 16.1s 13s
OK Cesaroni K570 12.01lb 77ft/s 905ft/s 15.8G 5,928ft 16.6s 13s
OK Cesaroni K600 12.47lb 68ft/s 932ft/s 13.1G 5,980ft 16.7s 13s
warningsD AMW K590 12.09lb 11:1 thrust/weight ratio (no data)
warningsD Gorilla K695 11.60lb 13:1 thrust/weight ratio (no data)
warningsD Gorilla K828 12.35lb 15:1 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 (27ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (30ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (28ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (40ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (43ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (42ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (46ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (40ft/s)
failedG Gorilla J167 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni J360 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (34ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (44ft/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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