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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 116 motors that fit and appear to have enough thrust (690 motors didn't fit, 5 motors failed safety checks). 121 motor had thrust curves available and 254 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:   Mad Cow Twitch
Owner: Philip Dougan
Body Diameter: 3.00in
Dry Weight: 34.0oz
MMT Diameter: 38.0mm
MMT Length: 367.0mm
CD: 0.30

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 42.5oz 61ft/s 249ft/s 7.3G 1,034ft 8.4s 7s
OK AeroTech G61 40.8oz 56ft/s 250ft/s 6.2G 1,073ft 8.6s 7s
OK AeroTech G67 41.1oz 58ft/s 261ft/s 7.0G 1,081ft 8.6s 7s
OK Loki G70 42.5oz 61ft/s 264ft/s 7.6G 1,154ft 8.9s 7s
OK Loki G80 43.0oz 65ft/s 273ft/s 8.4G 1,176ft 8.8s 7s
OK AeroTech G339 40.4oz 128ft/s 313ft/s 32.7G 1,205ft 8.4s 8s
OK Loki G94 42.5oz 70ft/s 290ft/s 10.2G 1,255ft 9.0s 8s
OK Cesaroni G69 40.9oz 55ft/s 295ft/s 6.6G 1,355ft 9.6s 8s
OK Cesaroni G79 42.0oz 51ft/s 308ft/s 7.2G 1,367ft 9.6s 8s
OK Loki G66 42.8oz 66ft/s 293ft/s 8.8G 1,414ft 9.7s 8s
OK Cesaroni G185 40.6oz 87ft/s 344ft/s 17.5G 1,435ft 9.3s 9s
OK AeroTech G69 41.1oz 56ft/s 317ft/s 6.5G 1,492ft 10.0s 8s
OK Cesaroni G60 41.3oz 56ft/s 316ft/s 6.5G 1,528ft 10.2s 8s
OK Cesaroni G78 40.9oz 56ft/s 338ft/s 10.5G 1,620ft 10.3s 8s
OK Cesaroni G115 40.9oz 69ft/s 357ft/s 10.6G 1,627ft 10.0s 9s
OK AeroTech H73 44.9oz 51ft/s 377ft/s 6.1G 2,127ft 11.9s 9s
OK Loki H100 45.8oz 69ft/s 430ft/s 10.7G 2,366ft 11.9s 10s
warningsW AeroTech H283 42.7oz 113ft/s 517ft/s 27.5G 2,535ft 11.7s 11s
OK AeroTech H148 44.9oz 84ft/s 496ft/s 14.6G 2,650ft 12.3s 11s
OK AeroTech H130 42.4oz 100ft/s 497ft/s 21.1G 2,711ft 12.2s 11s
OK AeroTech H669 42.9oz 181ft/s 596ft/s 92.0G 2,855ft 12.1s 12s
OK AeroTech H123 43.7oz 73ft/s 496ft/s 11.3G 2,912ft 13.0s 11s
OK Loki H90 45.8oz 72ft/s 481ft/s 10.5G 2,931ft 13.2s 11s
OK AeroTech H100 43.2oz 68ft/s 506ft/s 9.9G 2,938ft 13.1s 11s
OK Loki H144 45.9oz 95ft/s 529ft/s 18.5G 2,976ft 12.8s 11s
OK Cesaroni H123 44.5oz 65ft/s 542ft/s 11.2G 2,996ft 13.1s 11s
OK Loki H125 46.1oz 84ft/s 514ft/s 15.1G 2,997ft 13.1s 11s
OK Cesaroni H143 46.2oz 70ft/s 555ft/s 12.0G 3,039ft 13.2s 11s
OK AeroTech H219 43.2oz 107ft/s 587ft/s 23.5G 3,050ft 12.7s 12s
OK AeroTech H242 43.3oz 96ft/s 597ft/s 18.9G 3,200ft 13.1s 12s
OK Loki H160 45.8oz 107ft/s 570ft/s 21.7G 3,209ft 13.1s 12s
OK AeroTech H112 47.4oz 59ft/s 517ft/s 7.5G 3,275ft 14.1s 11s
OK Cesaroni H400 44.0oz 125ft/s 666ft/s 36.1G 3,325ft 13.0s 12s
OK Cesaroni H120 44.4oz 70ft/s 588ft/s 11.1G 3,395ft 13.8s 12s
OK Cesaroni H110 45.5oz 63ft/s 579ft/s 8.9G 3,455ft 14.1s 11s
OK Cesaroni H125 44.3oz 70ft/s 609ft/s 11.4G 3,487ft 13.9s 12s
OK Cesaroni H152 44.5oz 79ft/s 639ft/s 16.2G 3,638ft 13.9s 12s
OK AeroTech H178 45.4oz 80ft/s 667ft/s 16.5G 3,672ft 13.9s 12s
OK Cesaroni H100 45.5oz 64ft/s 601ft/s 8.4G 3,702ft 14.6s 12s
OK Cesaroni H225 40.8oz 103ft/s 724ft/s 21.7G 3,716ft 13.6s 12s
OK AeroTech H550 45.1oz 161ft/s 808ft/s 51.9G 4,001ft 13.8s 13s
OK AeroTech H550 45.4oz 159ft/s 794ft/s 51.2G 4,003ft 13.8s 13s
OK AeroTech I218 47.1oz 101ft/s 715ft/s 21.0G 4,010ft 14.3s 13s
warningsW Cesaroni H565 46.8oz 150ft/s 801ft/s 50.9G 4,039ft 13.9s 13s
OK AeroTech H999 45.7oz 213ft/s 829ft/s 125.9G 4,068ft 13.8s 14s
OK AeroTech I180 47.6oz 115ft/s 678ft/s 26.5G 4,073ft 14.4s 12s
OK AeroTech H170 45.6oz 85ft/s 709ft/s 15.3G 4,079ft 14.5s 12s
OK AeroTech H45 46.9oz 53ft/s 506ft/s 5.6G 4,135ft 16.2s 10s
OK AeroTech I161 46.9oz 87ft/s 702ft/s 15.9G 4,205ft 14.7s 12s
OK Cesaroni I180 47.9oz 79ft/s 741ft/s 15.3G 4,260ft 14.8s 13s
OK AeroTech I175 46.3oz 96ft/s 693ft/s 18.6G 4,291ft 15.0s 13s
OK AeroTech I140 46.6oz 79ft/s 699ft/s 13.0G 4,346ft 15.1s 13s
OK AeroTech I225 51.1oz 84ft/s 751ft/s 19.1G 4,352ft 14.9s 13s
OK AeroTech I245 46.9oz 120ft/s 776ft/s 31.1G 4,384ft 14.6s 13s
OK AeroTech I357 46.1oz 120ft/s 808ft/s 28.7G 4,425ft 14.6s 13s
OK Cesaroni I212 50.8oz 82ft/s 780ft/s 17.7G 4,454ft 15.1s 13s
OK Cesaroni I566 47.6oz 146ft/s 913ft/s 48.1G 4,609ft 14.6s 14s
OK AeroTech I154 51.4oz 70ft/s 698ft/s 10.9G 4,683ft 16.0s 13s
OK Cesaroni I195 48.7oz 87ft/s 832ft/s 16.7G 4,917ft 15.6s 14s
OK Cesaroni I345 47.9oz 120ft/s 921ft/s 28.3G 4,937ft 15.2s 14s
OK AeroTech I285 51.4oz 106ft/s 871ft/s 25.8G 4,957ft 15.4s 14s
OK Cesaroni I800 50.1oz 173ft/s 996ft/s 67.9G 4,990ft 15.0s 15s
OK Cesaroni I170 47.8oz 87ft/s 851ft/s 16.1G 5,059ft 15.8s 13s
OK Cesaroni I175 49.4oz 80ft/s 835ft/s 13.3G 5,067ft 15.9s 13s
OK AeroTech I305 54.5oz 107ft/s 879ft/s 26.9G 5,070ft 15.5s 14s
OK AeroTech I1299 48.9oz 234ft/s 1,038ft/s 115.3G 5,079ft 14.9s 15s
OK Cesaroni I236 48.1oz 98ft/s 893ft/s 22.3G 5,120ft 15.6s 14s
OK AeroTech I195 54.2oz 102ft/s 834ft/s 23.3G 5,176ft 15.9s 14s
OK AeroTech I211 50.0oz 102ft/s 860ft/s 22.2G 5,188ft 15.7s 13s
OK Cesaroni I223 51.4oz 89ft/s 892ft/s 17.3G 5,211ft 15.9s 14s
OK AeroTech I300 49.6oz 123ft/s 926ft/s 32.8G 5,229ft 15.5s 14s
OK Loki I316 53.0oz 130ft/s 934ft/s 33.5G 5,485ft 15.9s 14s
OK Cesaroni I287 55.3oz 97ft/s 971ft/s 22.3G 5,594ft 16.2s 14s
OK Loki I405 53.2oz 158ft/s 1,009ft/s 53.6G 5,684ft 15.9s 15s
warningsW Loki I110 54.8oz 74ft/s 775ft/s 16.3G 5,695ft 17.1s 13s
OK Loki I210 53.0oz 116ft/s 897ft/s 29.0G 5,722ft 16.3s 14s
OK Cesaroni I285 51.8oz 103ft/s 1,027ft/s 23.6G 5,916ft 16.4s 15s
OK Loki I377 53.8oz 146ft/s 1,026ft/s 43.1G 5,953ft 16.3s 15s
OK Cesaroni I255 52.2oz 97ft/s 1,019ft/s 21.1G 6,003ft 16.6s 15s
OK AeroTech I327 56.2oz 115ft/s 1,050ft/s 26.7G 6,006ft 16.5s 15s
OK Loki I430 53.0oz 130ft/s 1,100ft/s 35.1G 6,009ft 16.3s 15s
OK AeroTech I364 57.9oz 111ft/s 1,040ft/s 26.0G 6,020ft 16.5s 15s
OK AeroTech I366 53.6oz 126ft/s 1,081ft/s 32.0G 6,050ft 16.3s 15s
OK AMW I297 54.8oz 105ft/s 1,048ft/s 23.5G 6,058ft 16.5s 15s
OK Cesaroni I470 51.5oz 139ft/s 1,166ft/s 38.0G 6,134ft 16.3s 15s
OK Cesaroni I303 51.6oz 107ft/s 1,082ft/s 27.8G 6,180ft 16.5s 15s
OK AeroTech I280 55.7oz 98ft/s 1,066ft/s 20.8G 6,227ft 16.8s 15s
OK Cesaroni I242 53.4oz 93ft/s 1,047ft/s 18.3G 6,285ft 17.0s 15s
OK AeroTech I59 51.2oz 71ft/s 552ft/s 11.0G 6,289ft 19.3s 11s
OK AeroTech I435 52.3oz 156ft/s 1,171ft/s 51.2G 6,330ft 16.4s 15s
OK Cesaroni I350 61.6oz 106ft/s 1,082ft/s 23.0G 6,397ft 17.1s 15s
OK KBA I550 59.1oz 135ft/s 1,148ft/s 40.1G 6,424ft 16.9s 16s
OK KBA I301 59.6oz 100ft/s 1,034ft/s 23.7G 6,442ft 17.3s 15s
OK AeroTech I284 53.6oz 123ft/s 1,123ft/s 32.1G 6,458ft 16.7s 15s
OK Cesaroni I125 56.8oz 85ft/s 842ft/s 16.0G 6,548ft 18.1s 14s
OK AeroTech I500 54.3oz 131ft/s 1,256ft/s 37.5G 6,708ft 16.8s 15s
warningsW Cesaroni I540 55.1oz 138ft/s 1,299ft/s 41.6G 6,769ft 16.8s 16s
OK AeroTech I600 55.2oz 166ft/s 1,283ft/s 52.6G 6,771ft 16.8s 16s
OK KBA J520 59.5oz 127ft/s 1,222ft/s 42.1G 6,852ft 17.3s 16s
OK AeroTech J350 57.5oz 151ft/s 1,222ft/s 50.6G 6,856ft 17.0s 15s
OK AeroTech J340 54.4oz 133ft/s 1,229ft/s 38.8G 6,871ft 16.9s 15s
OK AeroTech I350 55.7oz 117ft/s 1,256ft/s 31.6G 6,890ft 17.1s 15s
OK AeroTech J420 56.9oz 126ft/s 1,231ft/s 34.7G 6,895ft 17.1s 16s
OK Cesaroni J335 56.1oz 117ft/s 1,203ft/s 25.6G 6,944ft 17.3s 15s
OK KBA J740 59.5oz 163ft/s 1,305ft/s 59.5G 6,968ft 17.2s 16s
OK Cesaroni J357 55.2oz 117ft/s 1,254ft/s 32.6G 7,028ft 17.2s 15s
OK Cesaroni I216 55.2oz 96ft/s 1,080ft/s 21.1G 7,032ft 17.7s 15s
OK Cesaroni J285 55.0oz 108ft/s 1,181ft/s 23.5G 7,055ft 17.5s 15s
OK Cesaroni J270 57.1oz 92ft/s 1,170ft/s 18.5G 7,061ft 17.7s 15s
OK Cesaroni J316 55.4oz 116ft/s 1,179ft/s 27.4G 7,157ft 17.7s 16s
OK AeroTech J425 56.3oz 111ft/s 1,333ft/s 28.9G 7,162ft 17.3s 16s
OK Cesaroni J290 57.3oz 106ft/s 1,205ft/s 23.7G 7,249ft 17.7s 15s
OK AeroTech J500 57.1oz 151ft/s 1,362ft/s 49.1G 7,373ft 17.3s 16s
OK AeroTech J270 56.6oz 100ft/s 1,216ft/s 21.7G 7,402ft 17.8s 15s
OK Cesaroni J94 57.3oz 63ft/s 828ft/s 9.2G 7,517ft 20.0s 13s
OK AeroTech J435 56.0oz 140ft/s 1,428ft/s 43.4G 7,773ft 17.6s 16s

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 Cesaroni G46 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (43ft/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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