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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 36 motors that fit and appear to have enough thrust (775 motors didn't fit). All motors had thrust curves available and 76 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:   Madcow DX3 2.6 TWFG
Owner: John M. Butler, II
Body Diameter: 2.60in
Dry Weight: 40.0oz
MMT Diameter: 54.0mm
MMT Length: 12.44in
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 AeroTech I117 60.0oz 62ft/s 588ft/s 9.0G 3,503ft 14.3s 11s
OK Cesaroni I140 59.9oz 70ft/s 622ft/s 8.7G 3,835ft 14.7s 12s
OK AeroTech I215 58.6oz 94ft/s 697ft/s 15.2G 3,857ft 14.2s 12s
OK AeroTech I599 58.1oz 165ft/s 802ft/s 47.3G 3,890ft 13.6s 13s
OK AeroTech I170 58.6oz 81ft/s 682ft/s 11.9G 3,955ft 14.5s 12s
OK AeroTech I115 59.2oz 64ft/s 609ft/s 9.0G 3,967ft 15.1s 12s
OK AeroTech I229 58.1oz 97ft/s 738ft/s 16.2G 4,032ft 14.3s 13s
OK Cesaroni I445 60.3oz 129ft/s 873ft/s 31.3G 4,477ft 14.5s 13s
OK Cesaroni I150 60.1oz 77ft/s 704ft/s 9.6G 4,523ft 15.6s 12s
OK Cesaroni I218 60.5oz 94ft/s 804ft/s 14.9G 4,687ft 15.3s 13s
OK Cesaroni I120 62.0oz 68ft/s 679ft/s 7.5G 4,861ft 16.5s 12s
OK Cesaroni I165 61.0oz 79ft/s 763ft/s 10.2G 4,958ft 16.0s 13s
OK Cesaroni I100 68.5oz 87ft/s 627ft/s 15.0G 5,853ft 18.1s 9s
OK Cesaroni J250 69.3oz 83ft/s 978ft/s 13.5G 5,914ft 16.8s 14s
OK AeroTech J250 72.0oz 87ft/s 981ft/s 14.6G 5,999ft 16.8s 14s
OK Cesaroni J280 73.7oz 87ft/s 1,019ft/s 15.1G 6,016ft 16.8s 14s
OK Cesaroni J1055 67.2oz 194ft/s 1,292ft/s 62.0G 6,060ft 15.8s 15s
OK AeroTech J250 65.0oz 105ft/s 985ft/s 17.8G 6,164ft 16.6s 14s
OK Cesaroni J145 69.5oz 89ft/s 785ft/s 24.1G 6,221ft 17.6s 13s
OK AeroTech I65 66.5oz 75ft/s 660ft/s 9.6G 6,232ft 18.7s 10s
OK AeroTech J90 70.1oz 64ft/s 729ft/s 8.2G 6,299ft 18.5s 11s
OK AeroTech J315 70.0oz 102ft/s 1,058ft/s 18.8G 6,328ft 16.8s 14s
OK AeroTech J1299 69.4oz 204ft/s 1,439ft/s 78.4G 6,643ft 16.2s 16s
OK Cesaroni J430 68.2oz 123ft/s 1,239ft/s 26.6G 6,712ft 16.8s 15s
OK AeroTech J460 67.8oz 130ft/s 1,255ft/s 28.7G 6,755ft 16.7s 15s
OK AeroTech J180 68.5oz 100ft/s 931ft/s 16.2G 6,779ft 17.6s 13s
OK Cesaroni J240 70.9oz 87ft/s 1,055ft/s 14.0G 6,787ft 17.6s 14s
OK AeroTech J275 70.5oz 93ft/s 1,051ft/s 16.2G 6,870ft 17.5s 14s
OK Cesaroni J293 69.6oz 95ft/s 1,139ft/s 17.4G 6,912ft 17.5s 15s
OK Cesaroni J244 72.1oz 84ft/s 1,088ft/s 12.3G 7,073ft 18.0s 15s
OK Cesaroni J210 69.7oz 92ft/s 959ft/s 16.0G 7,396ft 18.9s 15s
OK Cesaroni J380 85.6oz 97ft/s 1,296ft/s 17.9G 7,673ft 18.2s 15s
OK AeroTech J540 78.2oz 133ft/s 1,485ft/s 30.9G 7,995ft 17.5s 15s
OK AeroTech J800 78.3oz 159ft/s 1,654ft/s 42.8G 8,467ft 17.7s 16s
OK AeroTech J415 81.2oz 110ft/s 1,438ft/s 23.3G 8,766ft 18.6s 15s
OK Cesaroni J295 79.5oz 104ft/s 1,249ft/s 18.9G 8,854ft 19.2s 15s

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

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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