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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 67 motors that fit and appear to have enough thrust (699 motors didn't fit, 25 motors failed safety checks). 92 motor had thrust curves available and 206 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:   Alpha Extreme
Owner: Jim Lane
Body Diameter: 5.42in
Dry Weight: 77.0oz
MMT Diameter: 38.0mm
MMT Length: 12.00in
CD: 0.80

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 G339 83.4oz 87ft/s 143ft/s 15.2G 272ft 4.1s 4s
OK Loki G94 85.5oz 48ft/s 120ft/s 4.5G 278ft 4.5s 3s
OK Cesaroni G185 83.6oz 60ft/s 151ft/s 7.7G 318ft 4.6s 4s
warningsW AeroTech H283 85.7oz 81ft/s 234ft/s 12.9G 599ft 5.9s 5s
OK AeroTech H148 87.9oz 59ft/s 214ft/s 6.9G 632ft 6.4s 5s
OK AeroTech H130 85.4oz 71ft/s 207ft/s 9.9G 642ft 6.3s 5s
OK AeroTech H669 85.9oz 123ft/s 282ft/s 45.3G 678ft 6.0s 6s
OK AeroTech H123 86.7oz 50ft/s 200ft/s 5.2G 687ft 6.8s 4s
OK Loki H90 88.8oz 49ft/s 194ft/s 4.9G 703ft 7.0s 4s
OK Cesaroni H143 89.2oz 48ft/s 238ft/s 5.3G 727ft 6.9s 5s
OK Loki H144 88.9oz 68ft/s 231ft/s 9.0G 727ft 6.6s 5s
OK AeroTech H219 86.2oz 74ft/s 261ft/s 11.2G 729ft 6.4s 5s
OK Loki H125 89.1oz 60ft/s 219ft/s 7.3G 730ft 6.8s 5s
OK AeroTech H242 86.3oz 66ft/s 259ft/s 8.8G 765ft 6.7s 5s
OK Loki H160 88.8oz 72ft/s 252ft/s 10.7G 788ft 6.7s 5s
OK Cesaroni H400 87.0oz 91ft/s 309ft/s 17.0G 795ft 6.5s 6s
OK Cesaroni H120 87.4oz 49ft/s 242ft/s 5.1G 811ft 7.3s 5s
OK Cesaroni H125 87.3oz 48ft/s 255ft/s 5.0G 833ft 7.3s 5s
OK Cesaroni H152 87.5oz 57ft/s 270ft/s 7.7G 879ft 7.3s 5s
OK Cesaroni H225 83.8oz 69ft/s 308ft/s 10.1G 880ft 7.0s 6s
OK AeroTech H178 88.4oz 54ft/s 289ft/s 7.4G 891ft 7.3s 6s
OK AeroTech H550 88.4oz 112ft/s 374ft/s 25.2G 973ft 6.9s 6s
OK AeroTech H550 88.1oz 112ft/s 377ft/s 25.4G 973ft 6.9s 6s
warningsW Cesaroni H565 89.8oz 110ft/s 382ft/s 23.7G 984ft 7.0s 6s
OK AeroTech H999 88.7oz 149ft/s 401ft/s 64.2G 985ft 6.8s 6s
OK AeroTech I218 90.1oz 72ft/s 317ft/s 10.4G 992ft 7.4s 6s
OK AeroTech H170 88.6oz 57ft/s 300ft/s 7.1G 1,006ft 7.6s 5s
OK AeroTech I180 90.6oz 84ft/s 294ft/s 13.4G 1,024ft 7.4s 5s
OK AeroTech I161 89.9oz 61ft/s 296ft/s 7.7G 1,047ft 7.8s 6s
OK Cesaroni I180 90.9oz 56ft/s 324ft/s 6.9G 1,058ft 7.8s 6s
OK AeroTech I140 89.6oz 55ft/s 284ft/s 6.1G 1,078ft 8.1s 6s
OK AeroTech I245 89.9oz 84ft/s 340ft/s 15.4G 1,092ft 7.5s 6s
OK AeroTech I357 89.1oz 82ft/s 360ft/s 14.3G 1,096ft 7.5s 6s
OK AeroTech I225 94.1oz 62ft/s 336ft/s 9.0G 1,102ft 7.8s 6s
OK Cesaroni I212 93.8oz 60ft/s 347ft/s 8.1G 1,118ft 7.9s 6s
OK Cesaroni I566 90.6oz 106ft/s 434ft/s 23.0G 1,127ft 7.3s 7s
OK AeroTech I154 94.4oz 50ft/s 284ft/s 5.4G 1,198ft 8.7s 5s
OK Cesaroni I345 90.9oz 82ft/s 419ft/s 14.4G 1,224ft 7.8s 7s
OK Cesaroni I800 93.1oz 121ft/s 488ft/s 31.5G 1,226ft 7.5s 7s
OK Cesaroni I195 91.7oz 64ft/s 356ft/s 8.2G 1,235ft 8.2s 6s
OK AeroTech I1299 91.9oz 165ft/s 514ft/s 57.3G 1,240ft 7.4s 7s
OK AeroTech I285 94.4oz 79ft/s 397ft/s 13.3G 1,252ft 8.0s 6s
OK Cesaroni I170 90.8oz 62ft/s 364ft/s 7.9G 1,270ft 8.4s 6s
OK Cesaroni I175 92.4oz 58ft/s 354ft/s 6.3G 1,283ft 8.5s 6s
OK Cesaroni I236 91.1oz 71ft/s 387ft/s 11.3G 1,285ft 8.1s 6s
OK AeroTech I305 97.5oz 83ft/s 407ft/s 13.9G 1,308ft 8.0s 6s
OK AeroTech I300 92.6oz 86ft/s 414ft/s 17.1G 1,322ft 8.0s 6s
OK Cesaroni I223 94.4oz 63ft/s 393ft/s 8.7G 1,325ft 8.4s 6s
OK AeroTech I211 93.0oz 73ft/s 371ft/s 11.3G 1,328ft 8.3s 6s
OK AeroTech I195 97.2oz 76ft/s 371ft/s 12.3G 1,344ft 8.3s 6s
OK Loki I316 96.0oz 92ft/s 429ft/s 17.6G 1,398ft 8.1s 7s
OK Cesaroni I287 98.3oz 71ft/s 443ft/s 10.7G 1,437ft 8.5s 7s
OK Loki I405 96.2oz 118ft/s 472ft/s 29.1G 1,441ft 8.0s 7s
OK Loki I210 96.0oz 82ft/s 398ft/s 15.6G 1,477ft 8.5s 6s
warningsW Loki I110 97.8oz 52ft/s 324ft/s 8.7G 1,500ft 9.4s 5s
OK Cesaroni I285 94.8oz 74ft/s 451ft/s 12.4G 1,509ft 8.6s 7s
OK Loki I430 96.0oz 90ft/s 514ft/s 18.9G 1,510ft 8.3s 7s
OK Loki I377 96.8oz 105ft/s 470ft/s 23.5G 1,515ft 8.3s 7s
OK Cesaroni I255 95.2oz 74ft/s 443ft/s 10.8G 1,537ft 8.7s 7s
OK Cesaroni I470 94.5oz 98ft/s 538ft/s 20.2G 1,538ft 8.2s 7s
OK AeroTech I366 96.6oz 93ft/s 487ft/s 17.2G 1,544ft 8.4s 7s
OK Cesaroni I303 94.6oz 80ft/s 477ft/s 14.7G 1,580ft 8.6s 7s
OK AeroTech I435 95.3oz 114ft/s 538ft/s 27.5G 1,606ft 8.3s 7s
OK AeroTech I59 94.2oz 49ft/s 227ft/s 5.3G 1,621ft 11.7s 3s
OK Cesaroni I242 96.4oz 69ft/s 449ft/s 9.6G 1,628ft 9.0s 7s
OK AeroTech I284 96.6oz 91ft/s 497ft/s 16.8G 1,668ft 8.7s 7s
OK Cesaroni J357 98.2oz 88ft/s 556ft/s 17.8G 1,812ft 8.9s 7s

W Motor total weight unknown, lift-off Weight not accurate.

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 G67 speed at end of launch guide too slow (38ft/s)
failedG Loki G69 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (35ft/s)
failedG Loki G70 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (34ft/s)
failedG Loki G80 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (34ft/s)
failedG Loki G66 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (26ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (34ft/s)
failedG Loki H100 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (45ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (35ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (29ft/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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