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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 35 motors that fit and appear to have enough thrust (723 motors didn't fit, 33 motors failed safety checks). 68 motor had thrust curves available and 141 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:   Polecat Nike Smoke 4-inch 38mm
Owner: Rick Baldridge
Body Diameter: 4.50in
Dry Weight: 2,170g
MMT Diameter: 38.0mm
MMT Length: 240.0mm
CD: 0.45

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 2,351g 82ft/s 145ft/s 15.3G 319ft 4.5s 4s
OK Cesaroni G185 2,358g 56ft/s 155ft/s 7.9G 378ft 5.1s 4s
warningsW AeroTech H283 2,417g 75ft/s 245ft/s 13.1G 804ft 7.0s 6s
OK AeroTech H148 2,479g 55ft/s 231ft/s 7.0G 837ft 7.5s 6s
OK AeroTech H130 2,407g 65ft/s 226ft/s 10.0G 858ft 7.5s 6s
OK AeroTech H669 2,422g 118ft/s 289ft/s 45.6G 954ft 7.4s 7s
OK Loki H125 2,512g 56ft/s 241ft/s 7.3G 988ft 8.1s 6s
OK Loki H144 2,506g 63ft/s 252ft/s 9.1G 994ft 8.0s 6s
OK AeroTech H219 2,431g 68ft/s 279ft/s 11.3G 1,021ft 7.9s 7s
OK AeroTech H242 2,434g 62ft/s 280ft/s 9.0G 1,073ft 8.2s 7s
OK Loki H160 2,505g 69ft/s 275ft/s 10.7G 1,103ft 8.3s 7s
OK Cesaroni H400 2,454g 84ft/s 322ft/s 17.5G 1,154ft 8.2s 8s
OK Cesaroni H152 2,468g 54ft/s 299ft/s 7.8G 1,256ft 9.0s 7s
OK AeroTech H178 2,494g 51ft/s 315ft/s 7.8G 1,289ft 9.1s 7s
OK Cesaroni H225 2,363g 66ft/s 333ft/s 10.1G 1,298ft 8.8s 8s
OK AeroTech I218 2,542g 67ft/s 350ft/s 10.5G 1,479ft 9.4s 8s
OK AeroTech H170 2,500g 56ft/s 337ft/s 7.3G 1,487ft 9.7s 8s
OK AeroTech H550 2,493g 108ft/s 393ft/s 25.6G 1,499ft 9.1s 8s
OK AeroTech H550 2,486g 104ft/s 396ft/s 25.7G 1,506ft 9.1s 8s
warningsW Cesaroni H565 2,532g 102ft/s 399ft/s 24.9G 1,521ft 9.1s 9s
OK AeroTech I180 2,555g 76ft/s 333ft/s 13.5G 1,524ft 9.5s 8s
OK AeroTech H999 2,501g 141ft/s 414ft/s 64.6G 1,541ft 9.1s 9s
OK AeroTech I161 2,536g 58ft/s 338ft/s 7.8G 1,557ft 9.9s 8s
OK Cesaroni I180 2,564g 53ft/s 360ft/s 7.4G 1,585ft 9.9s 8s
OK AeroTech I140 2,526g 52ft/s 331ft/s 6.3G 1,596ft 10.2s 8s
OK AeroTech I225 2,656g 57ft/s 376ft/s 9.6G 1,675ft 10.0s 8s
OK AeroTech I245 2,535g 80ft/s 384ft/s 15.6G 1,685ft 9.8s 8s
OK AeroTech I357 2,513g 79ft/s 397ft/s 14.4G 1,699ft 9.8s 8s
OK Cesaroni I212 2,645g 55ft/s 387ft/s 8.8G 1,705ft 10.2s 8s
OK Cesaroni I566 2,554g 97ft/s 458ft/s 23.8G 1,805ft 9.8s 9s
OK Cesaroni I195 2,587g 59ft/s 409ft/s 8.3G 1,915ft 10.7s 9s
OK Cesaroni I345 2,565g 78ft/s 460ft/s 14.5G 1,957ft 10.4s 9s
OK Cesaroni I170 2,562g 57ft/s 418ft/s 8.0G 1,981ft 10.9s 8s
OK Cesaroni I175 2,608g 54ft/s 410ft/s 6.5G 1,987ft 11.0s 9s
OK Cesaroni I236 2,570g 65ft/s 442ft/s 11.3G 2,037ft 10.8s 9s

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 (35ft/s)
failedG Loki G69 speed at end of launch guide too slow (37ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (33ft/s)
failedG Loki G70 speed at end of launch guide too slow (38ft/s)
failedG Loki G94 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (32ft/s)
failedG Loki G80 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (32ft/s)
failedG Loki G66 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (34ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (24ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (32ft/s)
failedG Loki H100 speed at end of launch guide too slow (45ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (43ft/s)
failedG Loki H90 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (33ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (27ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (46ft/s)

G These simulations were run with a launch guide length of 7ft (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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