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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 42 motors that fit and appear to have enough thrust (737 motors didn't fit, 12 motors failed safety checks). 54 motor had thrust curves available and 114 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:   Chameleon
Owner: Michael Boecher
Body Diameter: 4.02in
Dry Weight: 49.9oz
MMT Diameter: 38.0mm
MMT Length: 7.95in
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 Loki G69 58.3oz 51ft/s 160ft/s 5.0G 461ft 5.7s 4s
OK AeroTech G67 57.0oz 48ft/s 167ft/s 4.7G 470ft 5.9s 4s
OK Loki G70 58.4oz 52ft/s 169ft/s 5.2G 509ft 6.0s 4s
OK AeroTech G339 56.3oz 109ft/s 217ft/s 23.1G 524ft 5.5s 5s
OK Loki G80 58.9oz 55ft/s 178ft/s 5.9G 524ft 5.9s 4s
OK Loki G94 58.3oz 60ft/s 191ft/s 7.1G 553ft 6.0s 5s
OK Cesaroni G185 56.5oz 73ft/s 234ft/s 11.9G 611ft 6.0s 5s
OK Loki G66 58.7oz 55ft/s 186ft/s 6.1G 617ft 6.6s 4s
OK Cesaroni G115 56.8oz 58ft/s 234ft/s 7.3G 686ft 6.6s 5s
OK Loki H100 61.7oz 58ft/s 279ft/s 7.2G 998ft 7.7s 6s
warningsW AeroTech H283 58.6oz 99ft/s 351ft/s 19.4G 1,023ft 7.3s 7s
OK AeroTech H148 60.8oz 72ft/s 323ft/s 10.4G 1,089ft 7.8s 6s
OK AeroTech H130 58.2oz 85ft/s 314ft/s 15.0G 1,099ft 7.7s 6s
OK AeroTech H669 58.8oz 154ft/s 418ft/s 66.8G 1,123ft 7.4s 7s
OK AeroTech H123 59.6oz 61ft/s 307ft/s 8.0G 1,187ft 8.3s 6s
OK AeroTech H100 59.1oz 56ft/s 309ft/s 6.7G 1,191ft 8.4s 6s
OK AeroTech H219 59.1oz 92ft/s 391ft/s 16.9G 1,209ft 7.8s 7s
OK Cesaroni H123 60.4oz 56ft/s 348ft/s 7.6G 1,213ft 8.3s 6s
OK Loki H90 61.7oz 60ft/s 297ft/s 7.5G 1,215ft 8.5s 6s
OK Loki H144 61.7oz 82ft/s 343ft/s 13.5G 1,216ft 8.0s 6s
OK Loki H125 61.9oz 74ft/s 328ft/s 10.9G 1,231ft 8.3s 6s
OK Cesaroni H143 62.1oz 59ft/s 359ft/s 8.0G 1,231ft 8.4s 7s
OK AeroTech H242 59.2oz 80ft/s 388ft/s 13.4G 1,269ft 8.1s 7s
OK Cesaroni H400 59.9oz 105ft/s 458ft/s 25.3G 1,292ft 7.9s 7s
OK Loki H160 61.7oz 88ft/s 372ft/s 15.8G 1,295ft 8.1s 7s
OK AeroTech H112 63.3oz 50ft/s 312ft/s 5.3G 1,351ft 9.2s 6s
OK Cesaroni H120 60.3oz 59ft/s 366ft/s 7.8G 1,359ft 8.8s 7s
OK Cesaroni H125 60.2oz 58ft/s 384ft/s 7.7G 1,387ft 8.8s 7s
OK Cesaroni H110 61.4oz 54ft/s 358ft/s 6.0G 1,395ft 9.0s 6s
OK Cesaroni H225 56.7oz 87ft/s 463ft/s 15.4G 1,421ft 8.3s 7s
OK Cesaroni H152 60.4oz 69ft/s 404ft/s 11.7G 1,438ft 8.7s 7s
OK AeroTech H178 61.3oz 66ft/s 430ft/s 11.0G 1,445ft 8.7s 7s
OK Cesaroni H100 61.4oz 55ft/s 362ft/s 5.9G 1,488ft 9.4s 7s
OK AeroTech H550 61.0oz 138ft/s 553ft/s 37.3G 1,515ft 8.2s 8s
OK AeroTech H999 61.6oz 183ft/s 585ft/s 93.1G 1,530ft 8.1s 8s
OK AeroTech I218 63.0oz 87ft/s 463ft/s 15.3G 1,569ft 8.7s 7s
OK AeroTech H170 61.5oz 71ft/s 443ft/s 10.7G 1,603ft 9.0s 7s
OK AeroTech I180 63.5oz 98ft/s 428ft/s 19.5G 1,613ft 8.8s 7s
OK AeroTech I161 62.8oz 74ft/s 435ft/s 11.4G 1,658ft 9.1s 7s
OK AeroTech I245 62.8oz 103ft/s 493ft/s 22.5G 1,692ft 8.8s 7s
OK AeroTech I357 62.0oz 101ft/s 524ft/s 21.0G 1,698ft 8.8s 7s
OK AeroTech I140 62.4oz 66ft/s 418ft/s 9.2G 1,715ft 9.4s 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 G61 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (35ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (45ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (33ft/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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