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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 75 motors that fit and appear to have enough thrust (694 motors didn't fit, 22 motors failed safety checks). 95 motor had thrust curves available and 184 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:   Shadowhawk 29mm
Owner: Jim Lane
Body Diameter: 3.00in
Dry Weight: 32.0oz
MMT Diameter: 29.0mm
MMT Length: 12.00in
CD: 0.60

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 F62 35.8oz 51ft/s 142ft/s 5.4G 344ft 4.9s 4s
OK AeroTech F42 34.7oz 54ft/s 141ft/s 6.1G 379ft 5.2s 4s
OK Cesaroni F59 35.5oz 55ft/s 154ft/s 6.2G 387ft 5.2s 4s
OK Cesaroni F120 35.7oz 78ft/s 166ft/s 13.5G 387ft 5.0s 5s
OK AeroTech F50 35.0oz 56ft/s 182ft/s 6.5G 538ft 6.1s 5s
OK AeroTech F52 36.3oz 57ft/s 183ft/s 6.8G 562ft 6.2s 5s
OK AeroTech F40 36.5oz 52ft/s 177ft/s 5.7G 604ft 6.6s 5s
warningsW Estes F50 34.9oz 59ft/s 202ft/s 7.1G 645ft 6.6s 5s
OK AeroTech G54 36.8oz 58ft/s 201ft/s 7.0G 651ft 6.6s 5s
OK Cesaroni G88 37.4oz 62ft/s 228ft/s 10.2G 697ft 6.7s 6s
OK AeroTech G104 36.8oz 74ft/s 233ft/s 10.9G 726ft 6.7s 6s
OK AeroTech G74 35.1oz 62ft/s 239ft/s 8.3G 755ft 7.0s 6s
OK AeroTech G53 37.1oz 60ft/s 218ft/s 7.4G 781ft 7.3s 5s
OK Cesaroni G80 37.1oz 61ft/s 253ft/s 8.6G 827ft 7.2s 6s
warningsW Estes G40 36.3oz 53ft/s 227ft/s 6.2G 884ft 7.7s 5s
OK AeroTech G40 36.3oz 53ft/s 227ft/s 6.2G 884ft 7.7s 5s
OK AeroTech G77 37.8oz 56ft/s 263ft/s 7.7G 898ft 7.6s 6s
OK AeroTech G77 36.3oz 61ft/s 276ft/s 8.8G 941ft 7.7s 6s
OK AeroTech G79 37.5oz 64ft/s 275ft/s 8.5G 974ft 7.8s 6s
OK Cesaroni G68 37.5oz 55ft/s 267ft/s 7.8G 977ft 7.9s 6s
OK Cesaroni G83 37.1oz 65ft/s 279ft/s 8.7G 981ft 7.8s 6s
OK AeroTech G79 36.4oz 55ft/s 270ft/s 7.1G 985ft 8.0s 6s
OK Cesaroni G57 37.1oz 58ft/s 256ft/s 7.5G 987ft 8.0s 6s
OK Cesaroni G250 37.0oz 108ft/s 328ft/s 27.2G 1,043ft 7.6s 7s
OK AeroTech G76 37.2oz 80ft/s 279ft/s 13.6G 1,084ft 8.0s 6s
OK Cesaroni G126 37.1oz 81ft/s 321ft/s 14.4G 1,104ft 8.0s 7s
OK AeroTech G64 37.3oz 67ft/s 275ft/s 9.4G 1,114ft 8.3s 6s
OK AeroTech G75 36.6oz 62ft/s 301ft/s 8.9G 1,150ft 8.4s 6s
OK Cesaroni G131 39.1oz 76ft/s 334ft/s 12.7G 1,169ft 8.2s 7s
OK AeroTech G78 36.4oz 63ft/s 315ft/s 9.1G 1,183ft 8.4s 7s
OK AeroTech G125 36.4oz 79ft/s 354ft/s 14.0G 1,232ft 8.3s 7s
OK AeroTech G80 36.5oz 68ft/s 328ft/s 9.3G 1,266ft 8.6s 7s
OK Cesaroni G106 38.6oz 65ft/s 357ft/s 11.2G 1,317ft 8.7s 7s
OK KBA G82 40.1oz 56ft/s 336ft/s 8.0G 1,339ft 9.0s 7s
OK KBA G135 40.0oz 70ft/s 376ft/s 13.2G 1,361ft 8.8s 8s
OK AeroTech G75 40.2oz 53ft/s 338ft/s 6.2G 1,424ft 9.5s 7s
OK Cesaroni G125 38.9oz 80ft/s 410ft/s 14.0G 1,558ft 9.2s 8s
OK Cesaroni G118 38.6oz 73ft/s 407ft/s 13.5G 1,561ft 9.3s 8s
OK AeroTech H165 39.1oz 88ft/s 427ft/s 16.6G 1,566ft 9.1s 8s
OK Cesaroni G54 38.8oz 70ft/s 320ft/s 10.2G 1,576ft 9.8s 7s
OK Cesaroni H175 40.7oz 87ft/s 436ft/s 19.4G 1,589ft 9.2s 8s
OK Cesaroni H133 38.7oz 84ft/s 420ft/s 16.8G 1,603ft 9.3s 8s
OK Cesaroni H410 38.4oz 140ft/s 488ft/s 48.1G 1,637ft 9.0s 9s
OK Cesaroni H163 38.6oz 91ft/s 446ft/s 19.2G 1,643ft 9.3s 8s
OK Cesaroni H90 37.7oz 73ft/s 402ft/s 13.8G 1,647ft 9.6s 8s
OK Cesaroni H54 39.4oz 60ft/s 331ft/s 8.2G 1,651ft 10.1s 7s
OK Cesaroni H87 39.2oz 65ft/s 396ft/s 10.8G 1,653ft 9.7s 8s
OK AeroTech G138 37.2oz 75ft/s 462ft/s 16.1G 1,675ft 9.4s 8s
OK AeroTech H128 39.3oz 84ft/s 440ft/s 15.7G 1,675ft 9.4s 8s
OK AeroTech H238 38.9oz 99ft/s 464ft/s 21.0G 1,697ft 9.3s 8s
OK Cesaroni H123 40.0oz 72ft/s 437ft/s 11.5G 1,705ft 9.6s 8s
OK AeroTech H115 39.2oz 73ft/s 439ft/s 10.4G 1,748ft 9.7s 8s
OK AeroTech H97 41.8oz 64ft/s 423ft/s 8.5G 1,787ft 10.1s 8s
OK Cesaroni H118 40.2oz 80ft/s 446ft/s 14.2G 1,815ft 9.8s 8s
OK Cesaroni H237 42.4oz 99ft/s 531ft/s 23.4G 1,941ft 9.8s 9s
OK KBA H130 57.0oz 74ft/s 415ft/s 12.9G 1,963ft 10.6s 9s
OK AeroTech H220 40.8oz 106ft/s 531ft/s 26.0G 1,969ft 9.8s 9s
OK Cesaroni H151 40.4oz 87ft/s 505ft/s 17.1G 2,002ft 10.0s 9s
OK AeroTech H210 40.7oz 99ft/s 540ft/s 21.9G 2,007ft 9.9s 9s
OK Cesaroni H170 40.2oz 97ft/s 535ft/s 20.3G 2,090ft 10.1s 9s
OK Cesaroni H160 41.6oz 85ft/s 534ft/s 15.0G 2,093ft 10.3s 9s
OK Cesaroni H135 40.9oz 82ft/s 512ft/s 13.6G 2,094ft 10.4s 9s
OK AeroTech H182 39.3oz 89ft/s 564ft/s 16.5G 2,106ft 10.2s 9s
OK AeroTech H180 40.9oz 95ft/s 561ft/s 21.5G 2,155ft 10.2s 9s
OK AeroTech H250 41.0oz 117ft/s 592ft/s 27.4G 2,181ft 10.2s 9s
OK AeroTech H135 39.5oz 77ft/s 520ft/s 13.0G 2,245ft 10.7s 9s
OK KBA H225 43.1oz 89ft/s 596ft/s 21.5G 2,248ft 10.5s 9s
OK Cesaroni H53 42.1oz 53ft/s 403ft/s 7.0G 2,273ft 11.8s 7s
OK AeroTech H195 38.9oz 103ft/s 613ft/s 22.5G 2,274ft 10.3s 9s
OK Cesaroni H194 42.0oz 98ft/s 607ft/s 23.2G 2,384ft 10.6s 9s
OK Cesaroni H200 41.7oz 101ft/s 616ft/s 24.1G 2,426ft 10.6s 9s
OK Cesaroni H255 40.2oz 121ft/s 683ft/s 32.7G 2,514ft 10.6s 10s
OK Cesaroni H140 41.8oz 97ft/s 581ft/s 20.1G 2,518ft 11.0s 9s
OK AeroTech I205 43.1oz 99ft/s 742ft/s 29.4G 3,005ft 11.4s 10s
warningsW,D Estes G80 36.4oz 8:1 thrust/weight ratio (no data)

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

D No simulation data found for this motor.

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 Estes E16 speed at end of launch guide too slow (24ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (37ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (37ft/s)
failedG Estes F15 speed at end of launch guide too slow (21ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (40ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (37ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (35ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (32ft/s)
failedG Apogee F10 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (44ft/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.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

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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