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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 55 motors that fit and appear to have enough thrust (725 motors didn't fit, 23 motors failed safety checks). 76 motor had thrust curves available and 150 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:   Mini Screech 1.6
Owner: Chris Scharrer
Body Diameter: 1.60in
Dry Weight: 654g
MMT Diameter: 29.0mm
MMT Length: 8.00in
CD: 0.75

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 763g 52ft/s 202ft/s 7.6G 655ft 6.7s 6s
OK Cesaroni F120 760g 79ft/s 228ft/s 18.5G 726ft 6.8s 6s
OK AeroTech F42 730g 54ft/s 206ft/s 8.6G 735ft 7.1s 6s
OK Cesaroni F59 753g 56ft/s 218ft/s 8.6G 738ft 7.0s 6s
OK AeroTech F67 734g 64ft/s 249ft/s 11.1G 894ft 7.6s 7s
OK AeroTech F25 744g 49ft/s 227ft/s 6.9G 1,027ft 8.5s 6s
OK AeroTech F50 739g 58ft/s 261ft/s 9.0G 1,035ft 8.2s 7s
OK AeroTech F52 776g 59ft/s 261ft/s 9.4G 1,062ft 8.4s 7s
OK AeroTech F40 780g 52ft/s 258ft/s 7.9G 1,150ft 8.8s 7s
OK AeroTech G54 790g 56ft/s 286ft/s 9.6G 1,228ft 8.9s 7s
warningsW Estes F50 738g 58ft/s 291ft/s 9.9G 1,242ft 8.9s 7s
OK Cesaroni G88 806g 64ft/s 315ft/s 13.8G 1,305ft 9.0s 8s
OK AeroTech G104 790g 75ft/s 324ft/s 14.7G 1,361ft 9.1s 8s
OK AeroTech G74 741g 62ft/s 340ft/s 11.7G 1,456ft 9.5s 8s
OK AeroTech G53 800g 61ft/s 312ft/s 10.0G 1,468ft 9.7s 8s
OK Cesaroni G80 797g 61ft/s 352ft/s 11.6G 1,559ft 9.8s 9s
warningsW Estes G40 777g 54ft/s 333ft/s 8.6G 1,686ft 10.4s 8s
OK AeroTech G40 777g 54ft/s 333ft/s 8.6G 1,686ft 10.4s 8s
OK AeroTech G77 819g 55ft/s 367ft/s 10.7G 1,690ft 10.3s 9s
OK AeroTech G77 776g 61ft/s 390ft/s 12.2G 1,800ft 10.4s 9s
OK AeroTech G79 811g 62ft/s 386ft/s 11.7G 1,834ft 10.6s 9s
OK Cesaroni G68 810g 56ft/s 378ft/s 10.6G 1,842ft 10.7s 9s
OK Cesaroni G83 799g 66ft/s 391ft/s 11.8G 1,853ft 10.6s 9s
OK Cesaroni G57 800g 58ft/s 368ft/s 10.2G 1,864ft 10.8s 9s
OK AeroTech G79 778g 54ft/s 388ft/s 9.9G 1,883ft 10.8s 9s
OK Cesaroni G250 795g 107ft/s 445ft/s 36.7G 1,973ft 10.5s 10s
OK AeroTech G76 801g 82ft/s 395ft/s 18.2G 2,036ft 10.9s 9s
OK Cesaroni G126 799g 78ft/s 443ft/s 19.3G 2,088ft 10.9s 10s
OK AeroTech G64 805g 68ft/s 393ft/s 12.7G 2,093ft 11.2s 9s
OK AeroTech G75 785g 64ft/s 429ft/s 12.1G 2,183ft 11.3s 9s
OK Cesaroni G131 854g 77ft/s 456ft/s 17.9G 2,185ft 11.2s 10s
OK AeroTech G78 779g 64ft/s 446ft/s 12.4G 2,257ft 11.4s 10s
OK AeroTech G125 779g 76ft/s 493ft/s 19.5G 2,355ft 11.4s 10s
OK AeroTech G80 782g 69ft/s 466ft/s 12.6G 2,414ft 11.7s 10s
OK Cesaroni G106 841g 65ft/s 494ft/s 14.9G 2,483ft 11.9s 11s
OK KBA G82 885g 55ft/s 467ft/s 11.0G 2,495ft 12.2s 10s
OK KBA G135 880g 70ft/s 510ft/s 17.8G 2,547ft 11.9s 11s
OK AeroTech G75 887g 54ft/s 477ft/s 8.4G 2,659ft 12.7s 10s
OK Cesaroni G125 848g 79ft/s 567ft/s 18.4G 2,945ft 12.6s 11s
OK Cesaroni G54 847g 71ft/s 467ft/s 13.6G 2,952ft 13.1s 10s
OK Cesaroni G118 842g 75ft/s 566ft/s 17.9G 2,957ft 12.7s 11s
OK AeroTech H165 856g 86ft/s 585ft/s 22.2G 2,963ft 12.5s 12s
OK Cesaroni H133 844g 83ft/s 581ft/s 22.2G 3,036ft 12.8s 12s
OK Cesaroni H54 863g 63ft/s 484ft/s 11.0G 3,087ft 13.5s 10s
OK Cesaroni H87 859g 65ft/s 561ft/s 14.2G 3,118ft 13.2s 11s
OK Cesaroni H163 841g 88ft/s 612ft/s 25.3G 3,123ft 12.8s 12s
OK Cesaroni H90 817g 72ft/s 572ft/s 18.4G 3,130ft 13.0s 11s
OK Cesaroni H410 836g 141ft/s 655ft/s 64.2G 3,132ft 12.5s 12s
OK AeroTech H128 860g 86ft/s 606ft/s 20.9G 3,170ft 12.9s 12s
OK AeroTech G138 802g 76ft/s 643ft/s 23.1G 3,218ft 12.9s 12s
OK AeroTech H238 850g 97ft/s 634ft/s 28.1G 3,224ft 12.8s 12s
OK AeroTech H115 859g 71ft/s 616ft/s 14.0G 3,309ft 13.3s 12s
OK AeroTech H182 861g 85ft/s 783ft/s 22.3G 4,032ft 14.0s 13s
OK AeroTech H195 851g 100ft/s 855ft/s 29.5G 4,369ft 14.3s 13s
warningsW,D Estes G80 779g 10:1 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 (29ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (39ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (41ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (38ft/s)
failedG Estes F15 speed at end of launch guide too slow (26ft/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 (41ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (37ft/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 (39ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG AeroTech F26 speed at end of launch guide too slow (38ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (33ft/s)
failedG Apogee F10 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (10ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (37ft/s)

G These simulations were run with a launch guide length of 6ft (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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