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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 70 motors that fit and appear to have enough thrust (678 motors didn't fit, 43 motors failed safety checks). 111 motor had thrust curves available and 220 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:   Astrobee-D 29mm v2
Owner: Jim Lane
Body Diameter: 3.10in
Dry Weight: 52.0oz
MMT Diameter: 29.0mm
MMT Length: 28.00in
CD: 0.68

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 Cesaroni G88 57.4oz 50ft/s 139ft/s 6.3G 337ft 5.0s 4s
OK AeroTech G104 56.8oz 57ft/s 144ft/s 6.7G 358ft 5.0s 4s
OK AeroTech G74 55.1oz 48ft/s 143ft/s 5.0G 358ft 5.2s 4s
OK AeroTech G77 56.3oz 48ft/s 168ft/s 5.4G 479ft 5.9s 5s
OK AeroTech G79 57.5oz 50ft/s 170ft/s 5.2G 508ft 6.1s 5s
OK Cesaroni G83 57.1oz 51ft/s 172ft/s 5.3G 513ft 6.1s 5s
OK Cesaroni G250 57.0oz 87ft/s 209ft/s 17.3G 585ft 6.0s 6s
OK AeroTech G76 57.2oz 61ft/s 174ft/s 8.5G 588ft 6.4s 4s
OK AeroTech G64 57.3oz 53ft/s 171ft/s 5.8G 599ft 6.6s 4s
OK Cesaroni G126 57.1oz 63ft/s 203ft/s 9.0G 614ft 6.4s 5s
OK AeroTech G75 56.6oz 50ft/s 186ft/s 5.4G 624ft 6.7s 5s
OK AeroTech G78 56.4oz 50ft/s 195ft/s 5.5G 652ft 6.8s 5s
OK Cesaroni G131 59.1oz 59ft/s 214ft/s 8.4G 669ft 6.7s 6s
OK AeroTech G125 56.4oz 61ft/s 223ft/s 8.8G 708ft 6.8s 6s
OK AeroTech G80 56.5oz 52ft/s 205ft/s 5.6G 715ft 7.0s 5s
OK Cesaroni G106 58.6oz 52ft/s 228ft/s 7.0G 767ft 7.2s 6s
OK KBA G135 60.0oz 58ft/s 244ft/s 8.5G 816ft 7.3s 6s
OK Cesaroni G54 58.8oz 53ft/s 205ft/s 6.4G 930ft 8.3s 5s
OK Cesaroni G118 58.6oz 59ft/s 264ft/s 8.6G 970ft 8.0s 7s
OK Cesaroni G125 58.9oz 64ft/s 267ft/s 8.9G 975ft 7.9s 7s
OK AeroTech H165 59.1oz 72ft/s 278ft/s 10.7G 995ft 7.9s 7s
OK Cesaroni H133 58.7oz 67ft/s 274ft/s 10.7G 1,015ft 8.0s 7s
OK RATT H70 64.4oz 56ft/s 233ft/s 6.6G 1,015ft 8.4s 6s
OK Cesaroni H87 59.2oz 52ft/s 257ft/s 6.8G 1,023ft 8.4s 6s
OK Cesaroni H175 60.7oz 72ft/s 287ft/s 13.0G 1,024ft 7.9s 7s
OK Cesaroni H90 57.7oz 58ft/s 260ft/s 8.7G 1,026ft 8.3s 6s
OK Cesaroni H163 58.6oz 70ft/s 291ft/s 12.3G 1,060ft 8.1s 7s
OK AeroTech G138 57.2oz 62ft/s 297ft/s 10.8G 1,078ft 8.2s 7s
OK AeroTech H128 59.3oz 69ft/s 289ft/s 10.1G 1,086ft 8.2s 7s
OK Cesaroni H410 58.4oz 117ft/s 318ft/s 31.2G 1,089ft 7.9s 7s
OK Cesaroni H123 60.0oz 58ft/s 287ft/s 7.4G 1,099ft 8.4s 7s
OK AeroTech H238 58.9oz 81ft/s 305ft/s 13.6G 1,121ft 8.2s 7s
OK AeroTech H115 59.2oz 56ft/s 287ft/s 6.5G 1,130ft 8.5s 7s
OK AeroTech H97 61.8oz 51ft/s 280ft/s 5.4G 1,152ft 8.8s 7s
OK Cesaroni H118 60.2oz 62ft/s 297ft/s 9.1G 1,201ft 8.6s 7s
OK KBA H130 77.0oz 62ft/s 302ft/s 9.3G 1,351ft 9.3s 7s
OK Cesaroni H237 62.4oz 81ft/s 356ft/s 16.0G 1,360ft 8.9s 8s
OK AeroTech H220 60.8oz 85ft/s 357ft/s 17.1G 1,381ft 8.9s 8s
OK Cesaroni H151 60.4oz 73ft/s 340ft/s 11.1G 1,387ft 9.1s 8s
OK AeroTech H210 60.7oz 80ft/s 362ft/s 14.5G 1,410ft 9.0s 8s
OK Cesaroni H135 60.9oz 66ft/s 346ft/s 8.8G 1,459ft 9.4s 8s
OK Cesaroni H160 61.6oz 67ft/s 361ft/s 9.8G 1,473ft 9.4s 8s
OK Cesaroni H170 60.2oz 78ft/s 360ft/s 13.2G 1,479ft 9.3s 8s
OK AeroTech H182 59.3oz 70ft/s 375ft/s 10.7G 1,495ft 9.3s 8s
OK AeroTech H180 60.9oz 78ft/s 380ft/s 14.2G 1,553ft 9.4s 8s
OK AeroTech H135 59.5oz 62ft/s 353ft/s 8.3G 1,581ft 9.8s 8s
OK AeroTech H250 61.0oz 98ft/s 401ft/s 18.0G 1,591ft 9.4s 8s
OK KBA H225 63.1oz 73ft/s 405ft/s 14.5G 1,639ft 9.7s 9s
OK AeroTech H195 58.9oz 84ft/s 412ft/s 14.5G 1,680ft 9.7s 9s
OK Cesaroni H295 64.1oz 92ft/s 429ft/s 19.8G 1,711ft 9.7s 9s
OK Cesaroni H180 63.1oz 80ft/s 409ft/s 14.4G 1,765ft 10.0s 8s
OK Cesaroni H194 62.0oz 81ft/s 418ft/s 15.4G 1,777ft 9.9s 9s
OK Cesaroni H200 61.7oz 83ft/s 424ft/s 15.9G 1,820ft 10.0s 9s
OK Cesaroni H140 61.8oz 77ft/s 404ft/s 13.3G 1,876ft 10.4s 8s
OK Cesaroni H255 60.2oz 95ft/s 467ft/s 21.5G 1,934ft 10.1s 9s
OK Cesaroni H340 65.8oz 103ft/s 479ft/s 23.3G 1,946ft 10.1s 9s
OK Cesaroni H399 62.4oz 116ft/s 496ft/s 30.5G 1,975ft 10.1s 9s
OK Cesaroni H159 64.1oz 70ft/s 450ft/s 9.5G 2,073ft 10.9s 9s
OK Cesaroni H226 64.7oz 90ft/s 476ft/s 18.5G 2,106ft 10.6s 9s
OK AeroTech H268 64.6oz 91ft/s 497ft/s 17.4G 2,131ft 10.6s 9s
OK Cesaroni H233 63.6oz 90ft/s 494ft/s 18.2G 2,174ft 10.7s 9s
OK Cesaroni H160 63.3oz 85ft/s 455ft/s 17.0G 2,194ft 10.9s 9s
OK Cesaroni H255 63.2oz 96ft/s 513ft/s 22.5G 2,218ft 10.8s 10s
OK AeroTech I200 64.6oz 85ft/s 488ft/s 15.9G 2,257ft 11.0s 9s
OK Cesaroni I204 64.3oz 90ft/s 520ft/s 19.0G 2,417ft 11.2s 10s
OK AeroTech I205 63.1oz 83ft/s 528ft/s 19.7G 2,434ft 11.2s 9s
OK Cesaroni I224 65.1oz 101ft/s 561ft/s 23.0G 2,628ft 11.5s 10s
OK Cesaroni I243 66.1oz 92ft/s 567ft/s 22.8G 2,634ft 11.5s 10s
OK KBA J520 77.5oz 112ft/s 882ft/s 32.1G 3,897ft 13.2s 12s
warningsW,D Estes G80 56.4oz 5:1 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 (11ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (25ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (17ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (29ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (26ft/s)
failedG Estes F15 speed at end of launch guide too slow (4ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (31ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (26ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (27ft/s)
failedA Cesaroni F120 rocket doesn't reach a safe altitude (170ft)
failedG Cesaroni F59 speed at end of launch guide too slow (41ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (2:1)
failedG AeroTech F26 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (22ft/s)
failedG AeroTech F52 speed at end of launch guide too slow (44ft/s)
failedG Apogee F10 speed at end of launch guide too slow (10ft/s)
failedG AeroTech F50 speed at end of launch guide too slow (42ft/s)
failedG Estes F50 speed at end of launch guide too slow (45ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (35ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G54 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (32ft/s)
failedG AeroTech G53 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G80 speed at end of launch guide too slow (47ft/s)
failedG Estes G40 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G57 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (28ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (42ft/s)
failedG KBA G82 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni H54 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni H53 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.)

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.

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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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