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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 93 motors that fit and appear to have enough thrust (689 motors didn't fit, 9 motors failed safety checks). 102 motor had thrust curves available and 189 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:   Purple Haze 2 Stage
Owner: Edward Wilk
Body Diameter: 8.00in
Dry Weight: 40.00lb
MMT Diameter: 75.0mm
MMT Length: 40.00in
CD: 0.55

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 Contrail K630 47.83lb 54ft/s 148ft/s 3.2G 490ft 6.5s 4s
OK Contrail K707 48.10lb 69ft/s 150ft/s 5.5G 497ft 6.2s 4s
OK Contrail K456 48.17lb 54ft/s 147ft/s 3.2G 601ft 7.3s 4s
OK AeroTech K1499 43.84lb 88ft/s 191ft/s 7.9G 602ft 6.4s 6s
OK Contrail K678 48.93lb 63ft/s 190ft/s 4.3G 814ft 8.0s 5s
OK Contrail K777 48.93lb 73ft/s 197ft/s 7.2G 845ft 8.0s 5s
OK Cesaroni K735 45.53lb 51ft/s 227ft/s 3.4G 1,012ft 9.1s 6s
OK Contrail K543 47.95lb 56ft/s 209ft/s 3.2G 1,017ft 9.2s 6s
OK Cesaroni K510 45.71lb 49ft/s 229ft/s 2.3G 1,376ft 11.3s 6s
OK AeroTech K780 46.47lb 59ft/s 272ft/s 3.7G 1,378ft 10.4s 7s
OK Contrail K888 49.20lb 74ft/s 268ft/s 5.2G 1,395ft 10.1s 7s
OK AeroTech K560 46.05lb 49ft/s 238ft/s 2.9G 1,417ft 11.1s 6s
OK Cesaroni K661 45.57lb 49ft/s 265ft/s 2.8G 1,433ft 11.0s 7s
OK Cesaroni K1085 45.36lb 66ft/s 306ft/s 4.9G 1,528ft 10.5s 8s
OK Cesaroni K2000 45.43lb 99ft/s 336ft/s 11.4G 1,571ft 10.0s 9s
OK AeroTech K1000 45.74lb 68ft/s 312ft/s 4.6G 1,632ft 10.8s 8s
OK Cesaroni L820 47.54lb 51ft/s 330ft/s 3.6G 1,927ft 12.3s 9s
OK Loki L780 47.72lb 49ft/s 334ft/s 3.4G 1,981ft 12.6s 9s
OK Cesaroni L910 45.77lb 62ft/s 343ft/s 4.2G 1,993ft 12.1s 9s
OK Gorilla L789 47.45lb 53ft/s 359ft/s 3.3G 2,297ft 13.4s 9s
OK Cesaroni L645 48.27lb 48ft/s 333ft/s 2.6G 2,320ft 14.0s 9s
OK Cesaroni L3200 47.20lb 119ft/s 477ft/s 17.0G 2,579ft 12.3s 11s
OK AeroTech L1150 48.10lb 71ft/s 415ft/s 5.2G 2,592ft 13.3s 10s
OK Loki L930 47.80lb 58ft/s 395ft/s 4.3G 2,600ft 13.8s 10s
OK Gorilla L985 48.01lb 56ft/s 415ft/s 4.3G 2,607ft 13.9s 10s
OK AeroTech L875 50.09lb 56ft/s 400ft/s 3.6G 2,701ft 14.2s 10s
OK Cesaroni L851 48.35lb 55ft/s 398ft/s 3.6G 2,702ft 14.3s 10s
OK Gorilla L1150 47.72lb 67ft/s 426ft/s 7.3G 2,716ft 13.5s 10s
OK Cesaroni L995 47.92lb 70ft/s 410ft/s 5.0G 2,735ft 13.8s 10s
OK AeroTech L850 48.25lb 65ft/s 395ft/s 4.6G 2,761ft 14.0s 9s
OK AeroTech L900 50.41lb 57ft/s 406ft/s 3.7G 2,779ft 14.4s 10s
OK Cesaroni L800 47.74lb 64ft/s 390ft/s 4.6G 2,811ft 14.4s 10s
OK Gorilla L1112 48.00lb 69ft/s 435ft/s 5.1G 2,813ft 13.9s 10s
OK AeroTech L1040 50.40lb 61ft/s 424ft/s 4.7G 2,840ft 14.2s 10s
OK Cesaroni L1050 47.60lb 67ft/s 433ft/s 4.7G 2,868ft 14.1s 10s
OK Cesaroni L1720 47.37lb 87ft/s 492ft/s 8.3G 2,954ft 13.6s 11s
OK AeroTech L1520 48.05lb 81ft/s 476ft/s 7.0G 2,961ft 13.7s 11s
OK Loki L840 48.26lb 62ft/s 411ft/s 4.5G 2,966ft 14.5s 10s
OK Cesaroni L1355 50.94lb 78ft/s 467ft/s 6.9G 3,069ft 14.1s 11s
OK Loki L1482 47.80lb 76ft/s 496ft/s 6.7G 3,076ft 14.0s 11s
OK AeroTech L1390 48.55lb 76ft/s 481ft/s 6.7G 3,109ft 14.2s 11s
OK AeroTech L1170 51.00lb 71ft/s 475ft/s 5.5G 3,221ft 14.7s 11s
OK AeroTech L1250 52.45lb 72ft/s 478ft/s 5.6G 3,297ft 14.8s 11s
OK Gorilla L1065 51.82lb 75ft/s 478ft/s 6.8G 3,462ft 14.9s 11s
OK Cesaroni L1350 47.87lb 77ft/s 519ft/s 6.2G 3,505ft 15.0s 12s
OK AMW L1290 51.90lb 69ft/s 520ft/s 5.4G 3,652ft 15.6s 12s
OK AeroTech L1420 50.06lb 78ft/s 548ft/s 6.5G 3,739ft 15.4s 12s
OK AeroTech L1365 50.82lb 78ft/s 545ft/s 6.2G 3,837ft 15.7s 12s
OK Cesaroni L1410 51.28lb 73ft/s 556ft/s 6.1G 3,874ft 15.8s 12s
OK Cesaroni L1685 53.34lb 93ft/s 572ft/s 8.6G 4,023ft 15.6s 12s
OK Cesaroni L1395 49.53lb 80ft/s 577ft/s 7.2G 4,060ft 15.9s 12s
OK Cesaroni L1115 49.71lb 77ft/s 531ft/s 6.4G 4,083ft 16.3s 12s
OK Cesaroni L2375 49.17lb 103ft/s 645ft/s 11.1G 4,136ft 15.4s 13s
OK Loki M1200 51.83lb 64ft/s 555ft/s 5.6G 4,148ft 16.5s 12s
OK AeroTech L2200 50.54lb 103ft/s 631ft/s 12.9G 4,221ft 15.4s 13s
OK Gorilla M745 52.39lb 74ft/s 453ft/s 5.7G 4,221ft 17.3s 10s
OK Cesaroni M1101 50.89lb 70ft/s 546ft/s 5.4G 4,254ft 16.8s 12s
OK AeroTech M1350 50.60lb 82ft/s 574ft/s 6.8G 4,265ft 16.2s 12s
OK AeroTech M1500 50.79lb 77ft/s 598ft/s 6.6G 4,302ft 16.3s 13s
OK Gorilla M1355 52.13lb 76ft/s 581ft/s 7.1G 4,329ft 16.4s 13s
OK Loki M900 52.19lb 54ft/s 523ft/s 3.5G 4,364ft 17.8s 12s
OK AeroTech M1550 52.44lb 89ft/s 618ft/s 8.0G 4,510ft 16.5s 13s
OK AeroTech M1297 50.22lb 86ft/s 592ft/s 7.9G 4,546ft 16.7s 12s
OK Cesaroni M1230 50.68lb 74ft/s 587ft/s 5.7G 4,569ft 17.1s 12s
OK AeroTech M1780 50.39lb 98ft/s 644ft/s 9.7G 4,595ft 16.3s 13s
OK Cesaroni M2250 49.73lb 104ft/s 684ft/s 11.1G 4,631ft 16.0s 14s
OK Cesaroni M1830 49.97lb 93ft/s 666ft/s 9.0G 4,733ft 16.5s 13s
OK Gorilla M1665 52.39lb 89ft/s 640ft/s 8.8G 4,756ft 16.7s 13s
OK Cesaroni M1160 52.56lb 66ft/s 597ft/s 4.9G 4,825ft 17.8s 13s
OK Cesaroni M1770 53.21lb 85ft/s 676ft/s 7.5G 4,864ft 17.0s 14s
OK AeroTech M650 51.30lb 66ft/s 466ft/s 4.8G 4,955ft 19.1s 8s
OK Gorilla M1952 52.00lb 101ft/s 692ft/s 10.7G 5,009ft 16.8s 13s
OK Cesaroni M1670 51.53lb 87ft/s 668ft/s 8.6G 5,027ft 17.2s 13s
OK Cesaroni M2075 55.85lb 102ft/s 687ft/s 10.9G 5,031ft 16.9s 14s
OK Cesaroni M1810 51.94lb 88ft/s 705ft/s 8.1G 5,121ft 17.2s 14s
OK Cesaroni M3100 51.06lb 115ft/s 789ft/s 15.4G 5,173ft 16.5s 15s
OK Cesaroni M1401 52.73lb 76ft/s 656ft/s 6.1G 5,198ft 17.9s 13s
OK Cesaroni M1675 51.51lb 88ft/s 697ft/s 8.1G 5,213ft 17.3s 14s
OK Loki M1882 52.20lb 98ft/s 724ft/s 10.1G 5,250ft 17.1s 14s
OK Cesaroni M1400 51.69lb 87ft/s 652ft/s 8.6G 5,252ft 17.7s 13s
OK Cesaroni M1300 52.47lb 106ft/s 627ft/s 11.2G 5,415ft 17.9s 13s
OK Loki M1650 52.41lb 106ft/s 677ft/s 15.0G 5,464ft 17.6s 13s
OK Loki M2550 52.19lb 108ft/s 792ft/s 12.1G 5,521ft 17.1s 15s
OK AeroTech M1315 52.44lb 81ft/s 652ft/s 6.7G 5,557ft 18.3s 12s
OK Cesaroni M3700 52.74lb 131ft/s 856ft/s 16.8G 5,648ft 17.0s 15s
OK Cesaroni M1540 53.02lb 89ft/s 711ft/s 9.2G 5,695ft 18.1s 14s
OK AeroTech M1850 54.76lb 89ft/s 684ft/s 8.9G 6,047ft 18.8s 12s
OK Cesaroni M2045 53.38lb 97ft/s 809ft/s 9.8G 6,086ft 18.1s 15s
OK Cesaroni M2150 53.94lb 97ft/s 823ft/s 10.0G 6,165ft 18.3s 15s
OK AeroTech M685 55.45lb 67ft/s 508ft/s 4.6G 6,227ft 21.7s 10s
OK Cesaroni M840 55.33lb 72ft/s 567ft/s 7.0G 6,233ft 20.8s 12s
OK Cesaroni M1590 53.40lb 93ft/s 757ft/s 8.7G 6,329ft 18.8s 14s
OK Cesaroni M2020 55.50lb 99ft/s 858ft/s 9.8G 6,853ft 19.1s 15s

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 Contrail K300 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni K555 speed at end of launch guide too slow (41ft/s)
failedG Contrail K404 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni L585 speed at end of launch guide too slow (47ft/s)
failedG Gorilla L695 speed at end of launch guide too slow (44ft/s)
failedG Loki L480 speed at end of launch guide too slow (36ft/s)
failedG Gorilla L425 speed at end of launch guide too slow (47ft/s)
failedG Contrail L369 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni L395 speed at end of launch guide too slow (37ft/s)

G These simulations were run with a launch guide length of 16ft (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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