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Rocket Name: | LOC Goblin 38mm MMT | Owner: | Jonathan Ott |
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Body Diameter: | 4.00in | |
Dry Weight: | 48.0oz | |
MMT Diameter: | 38.0mm | |
MMT Length: | 14.00in | |
CD: | 0.60 |
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 | |
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Loki G80 | 57.0oz | 49ft/s | 188ft/s | 6.1G | 591ft | 6.3s | 5s |
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AeroTech G339 | 54.4oz | 97ft/s | 226ft/s | 23.9G | 595ft | 5.9s | 5s |
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Loki G94 | 56.5oz | 53ft/s | 201ft/s | 7.4G | 626ft | 6.4s | 5s |
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Cesaroni G185 | 54.6oz | 66ft/s | 245ft/s | 12.5G | 698ft | 6.5s | 6s |
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Loki G66 | 56.8oz | 49ft/s | 198ft/s | 6.3G | 700ft | 7.0s | 5s |
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Cesaroni G115 | 54.9oz | 51ft/s | 248ft/s | 7.6G | 786ft | 7.1s | 6s |
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Loki H100 | 59.8oz | 51ft/s | 297ft/s | 7.6G | 1,155ft | 8.4s | 6s |
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AeroTech H283 | 56.7oz | 84ft/s | 369ft/s | 20.2G | 1,199ft | 8.0s | 7s |
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AeroTech H148 | 58.9oz | 62ft/s | 344ft/s | 10.8G | 1,270ft | 8.5s | 7s |
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AeroTech H130 | 56.4oz | 73ft/s | 336ft/s | 15.6G | 1,285ft | 8.4s | 7s |
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AeroTech H669 | 56.9oz | 135ft/s | 436ft/s | 69.0G | 1,329ft | 8.1s | 8s |
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AeroTech H123 | 57.7oz | 54ft/s | 330ft/s | 8.3G | 1,386ft | 9.0s | 7s |
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AeroTech H100 | 57.2oz | 49ft/s | 334ft/s | 7.0G | 1,392ft | 9.1s | 7s |
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Loki H90 | 59.8oz | 53ft/s | 321ft/s | 7.8G | 1,414ft | 9.2s | 7s |
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Cesaroni H123 | 58.5oz | 49ft/s | 372ft/s | 7.9G | 1,420ft | 9.1s | 7s |
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Loki H144 | 59.9oz | 71ft/s | 366ft/s | 13.9G | 1,424ft | 8.8s | 7s |
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AeroTech H219 | 57.2oz | 79ft/s | 415ft/s | 17.5G | 1,426ft | 8.6s | 7s |
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Loki H125 | 60.1oz | 63ft/s | 351ft/s | 11.3G | 1,439ft | 9.0s | 7s |
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Cesaroni H143 | 60.2oz | 51ft/s | 383ft/s | 8.5G | 1,443ft | 9.1s | 7s |
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AeroTech H242 | 57.3oz | 71ft/s | 414ft/s | 13.9G | 1,497ft | 8.9s | 7s |
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Loki H160 | 59.8oz | 81ft/s | 396ft/s | 16.4G | 1,524ft | 8.9s | 7s |
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Cesaroni H400 | 58.0oz | 93ft/s | 480ft/s | 26.4G | 1,535ft | 8.7s | 8s |
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Cesaroni H120 | 58.4oz | 51ft/s | 394ft/s | 8.1G | 1,598ft | 9.5s | 7s |
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Cesaroni H125 | 58.3oz | 51ft/s | 412ft/s | 8.1G | 1,634ft | 9.6s | 7s |
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Cesaroni H225 | 54.8oz | 75ft/s | 494ft/s | 15.9G | 1,693ft | 9.1s | 8s |
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Cesaroni H152 | 58.5oz | 62ft/s | 434ft/s | 12.1G | 1,699ft | 9.5s | 8s |
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AeroTech H178 | 59.4oz | 59ft/s | 459ft/s | 11.6G | 1,711ft | 9.5s | 8s |
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Cesaroni H100 | 59.5oz | 49ft/s | 394ft/s | 6.1G | 1,748ft | 10.2s | 7s |
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AeroTech H550 | 59.1oz | 121ft/s | 582ft/s | 38.7G | 1,818ft | 9.1s | 8s |
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AeroTech H550 | 59.4oz | 121ft/s | 575ft/s | 38.3G | 1,823ft | 9.1s | 9s |
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AeroTech H999 | 59.7oz | 161ft/s | 611ft/s | 96.0G | 1,841ft | 9.1s | 9s |
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Cesaroni H565 | 60.8oz | 114ft/s | 585ft/s | 35.8G | 1,842ft | 9.2s | 9s |
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AeroTech I218 | 61.1oz | 76ft/s | 496ft/s | 15.8G | 1,865ft | 9.6s | 8s |
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AeroTech H170 | 59.6oz | 64ft/s | 478ft/s | 11.1G | 1,900ft | 9.9s | 8s |
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AeroTech I180 | 61.6oz | 88ft/s | 461ft/s | 20.2G | 1,913ft | 9.7s | 8s |
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AeroTech I161 | 60.9oz | 66ft/s | 471ft/s | 11.8G | 1,966ft | 10.0s | 8s |
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Cesaroni I180 | 61.9oz | 59ft/s | 510ft/s | 10.8G | 1,984ft | 10.1s | 8s |
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AeroTech I245 | 60.9oz | 91ft/s | 531ft/s | 23.3G | 2,021ft | 9.7s | 8s |
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AeroTech I357 | 60.1oz | 91ft/s | 561ft/s | 21.7G | 2,030ft | 9.7s | 8s |
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AeroTech I140 | 60.6oz | 59ft/s | 457ft/s | 9.6G | 2,031ft | 10.3s | 8s |
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AeroTech I225 | 65.1oz | 65ft/s | 522ft/s | 13.8G | 2,037ft | 10.0s | 8s |
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Cesaroni I212 | 64.8oz | 63ft/s | 540ft/s | 12.5G | 2,074ft | 10.2s | 9s |
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Cesaroni I566 | 61.6oz | 104ft/s | 663ft/s | 35.0G | 2,079ft | 9.6s | 9s |
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AeroTech I154 | 65.4oz | 53ft/s | 456ft/s | 8.2G | 2,230ft | 11.1s | 8s |
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Cesaroni I800 | 64.1oz | 126ft/s | 736ft/s | 47.5G | 2,238ft | 9.8s | 9s |
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Cesaroni I345 | 61.9oz | 85ft/s | 646ft/s | 21.7G | 2,243ft | 10.1s | 9s |
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AeroTech I1299 | 62.9oz | 171ft/s | 772ft/s | 86.1G | 2,259ft | 9.7s | 9s |
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Cesaroni I195 | 62.7oz | 66ft/s | 559ft/s | 12.6G | 2,273ft | 10.6s | 9s |
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AeroTech I285 | 65.4oz | 82ft/s | 610ft/s | 19.8G | 2,283ft | 10.3s | 9s |
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Cesaroni I170 | 61.8oz | 65ft/s | 573ft/s | 12.1G | 2,334ft | 10.7s | 8s |
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Cesaroni I236 | 62.1oz | 75ft/s | 605ft/s | 17.0G | 2,347ft | 10.5s | 9s |
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AeroTech I305 | 68.5oz | 84ft/s | 619ft/s | 20.5G | 2,353ft | 10.3s | 9s |
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Cesaroni I175 | 63.4oz | 61ft/s | 558ft/s | 9.8G | 2,355ft | 10.8s | 8s |
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AeroTech I300 | 63.6oz | 95ft/s | 639ft/s | 25.4G | 2,395ft | 10.3s | 9s |
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AeroTech I211 | 64.0oz | 77ft/s | 579ft/s | 17.0G | 2,406ft | 10.6s | 8s |
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Cesaroni I223 | 65.4oz | 68ft/s | 610ft/s | 13.0G | 2,407ft | 10.7s | 9s |
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AeroTech I195 | 68.2oz | 78ft/s | 571ft/s | 18.1G | 2,425ft | 10.7s | 8s |
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Loki I316 | 67.0oz | 102ft/s | 652ft/s | 25.9G | 2,515ft | 10.5s | 9s |
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Cesaroni I287 | 69.3oz | 74ft/s | 676ft/s | 16.1G | 2,577ft | 10.8s | 9s |
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Loki I405 | 67.2oz | 124ft/s | 712ft/s | 42.1G | 2,581ft | 10.4s | 9s |
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Loki I210 | 67.0oz | 84ft/s | 610ft/s | 22.7G | 2,651ft | 10.9s | 9s |
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Cesaroni I285 | 65.8oz | 80ft/s | 697ft/s | 18.3G | 2,700ft | 10.9s | 9s |
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Loki I377 | 67.8oz | 115ft/s | 713ft/s | 34.0G | 2,707ft | 10.7s | 9s |
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Loki I430 | 67.0oz | 94ft/s | 779ft/s | 27.6G | 2,708ft | 10.7s | 10s |
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Loki I110 | 68.8oz | 57ft/s | 509ft/s | 12.8G | 2,711ft | 11.8s | 8s |
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Cesaroni I470 | 65.5oz | 108ft/s | 820ft/s | 29.6G | 2,745ft | 10.6s | 10s |
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AeroTech I366 | 67.6oz | 96ft/s | 744ft/s | 25.1G | 2,747ft | 10.8s | 9s |
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Cesaroni I255 | 66.2oz | 75ft/s | 686ft/s | 16.1G | 2,748ft | 11.1s | 9s |
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AeroTech I327 | 70.2oz | 91ft/s | 735ft/s | 21.2G | 2,753ft | 10.9s | 9s |
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AeroTech I364 | 71.9oz | 82ft/s | 722ft/s | 19.5G | 2,766ft | 10.9s | 9s |
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AMW I297 | 68.8oz | 82ft/s | 724ft/s | 18.5G | 2,779ft | 11.0s | 9s |
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Cesaroni I303 | 65.6oz | 83ft/s | 735ft/s | 21.6G | 2,811ft | 11.0s | 9s |
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AeroTech I435 | 66.3oz | 120ft/s | 816ft/s | 40.1G | 2,844ft | 10.7s | 9s |
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AeroTech I280 | 69.7oz | 77ft/s | 727ft/s | 16.4G | 2,857ft | 11.2s | 9s |
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Cesaroni I242 | 67.4oz | 73ft/s | 696ft/s | 14.2G | 2,892ft | 11.4s | 9s |
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AeroTech I284 | 67.6oz | 94ft/s | 761ft/s | 24.7G | 2,941ft | 11.0s | 9s |
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Cesaroni I350 | 75.6oz | 82ft/s | 763ft/s | 18.1G | 2,941ft | 11.3s | 10s |
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AeroTech I500 | 68.3oz | 103ft/s | 882ft/s | 29.4G | 3,002ft | 10.9s | 10s |
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AeroTech I600 | 69.2oz | 118ft/s | 906ft/s | 41.7G | 3,022ft | 10.9s | 10s |
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AeroTech I59 | 65.2oz | 54ft/s | 357ft/s | 8.2G | 3,056ft | 14.2s | 6s |
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AeroTech I350 | 69.7oz | 92ft/s | 859ft/s | 23.9G | 3,103ft | 11.2s | 10s |
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AeroTech J350 | 71.5oz | 115ft/s | 849ft/s | 40.5G | 3,104ft | 11.1s | 10s |
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AeroTech J420 | 70.9oz | 96ft/s | 848ft/s | 27.4G | 3,108ft | 11.2s | 10s |
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AeroTech J340 | 68.4oz | 105ft/s | 833ft/s | 30.6G | 3,134ft | 11.1s | 9s |
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Cesaroni J357 | 69.2oz | 92ft/s | 849ft/s | 25.8G | 3,177ft | 11.3s | 10s |
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Cesaroni J285 | 69.0oz | 80ft/s | 791ft/s | 17.8G | 3,211ft | 11.6s | 9s |
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AeroTech J425 | 70.3oz | 87ft/s | 912ft/s | 21.5G | 3,217ft | 11.3s | 10s |
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AeroTech J500 | 71.1oz | 120ft/s | 937ft/s | 39.2G | 3,298ft | 11.2s | 10s |
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AeroTech J270 | 70.6oz | 79ft/s | 806ft/s | 17.2G | 3,392ft | 11.8s | 9s |
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.
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 | |
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AeroTech G67 | speed at end of launch guide too slow (43ft/s) |
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Loki G69 | speed at end of launch guide too slow (45ft/s) |
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AeroTech G61 | speed at end of launch guide too slow (40ft/s) |
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Loki G70 | speed at end of launch guide too slow (45ft/s) |
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Cesaroni G69 | speed at end of launch guide too slow (40ft/s) |
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Cesaroni G46 | speed at end of launch guide too slow (33ft/s) |
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Cesaroni G79 | speed at end of launch guide too slow (37ft/s) |
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Cesaroni G60 | speed at end of launch guide too slow (41ft/s) |
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AeroTech G69 | speed at end of launch guide too slow (40ft/s) |
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Cesaroni G58 | speed at end of launch guide too slow (33ft/s) |
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Cesaroni G78 | speed at end of launch guide too slow (41ft/s) |
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Cesaroni G50 | speed at end of launch guide too slow (30ft/s) |
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AeroTech H73 | speed at end of launch guide too slow (38ft/s) |
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AeroTech H112 | speed at end of launch guide too slow (44ft/s) |
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Cesaroni H110 | speed at end of launch guide too slow (46ft/s) |
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AeroTech H45 | speed at end of launch guide too slow (39ft/s) |
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AeroTech I49 | speed at end of launch guide too slow (29ft/s) |
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Cesaroni I55 | speed at end of launch guide too slow (32ft/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.)
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.
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  |
Download full details of the simulation runs with the various motors:
that worked, that failed, or all of them. |
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  | 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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