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Rocket Name: | Polecat Aerospace Goblin 5.5 (38mm) | Owner: | K Sonesen |
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Body Diameter: | 5.50in | |
Dry Weight: | 97.0oz | |
MMT Diameter: | 38.0mm | |
MMT Length: | 15.00in | |
CD: | 0.55 |
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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AeroTech H283 | 105.7oz | 62ft/s | 191ft/s | 10.4G | 519ft | 5.7s | 5s |
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AeroTech H130 | 105.4oz | 53ft/s | 172ft/s | 7.8G | 550ft | 6.1s | 4s |
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AeroTech H669 | 105.9oz | 97ft/s | 230ft/s | 36.6G | 622ft | 6.0s | 6s |
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Loki H144 | 108.9oz | 52ft/s | 194ft/s | 7.2G | 646ft | 6.6s | 5s |
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AeroTech H219 | 106.2oz | 56ft/s | 217ft/s | 8.9G | 661ft | 6.5s | 5s |
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AeroTech H242 | 106.3oz | 51ft/s | 216ft/s | 7.0G | 693ft | 6.8s | 5s |
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Loki H160 | 108.8oz | 57ft/s | 213ft/s | 8.5G | 720ft | 6.8s | 5s |
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Cesaroni H400 | 107.0oz | 70ft/s | 254ft/s | 13.8G | 753ft | 6.7s | 6s |
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Cesaroni H225 | 103.8oz | 54ft/s | 257ft/s | 7.9G | 840ft | 7.2s | 6s |
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AeroTech I218 | 110.1oz | 56ft/s | 272ft/s | 8.3G | 973ft | 7.8s | 6s |
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AeroTech H550 | 108.4oz | 87ft/s | 312ft/s | 20.5G | 990ft | 7.4s | 7s |
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AeroTech H550 | 108.1oz | 87ft/s | 314ft/s | 20.6G | 994ft | 7.4s | 7s |
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Cesaroni H565 | 109.8oz | 85ft/s | 318ft/s | 19.6G | 1,005ft | 7.5s | 7s |
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AeroTech I180 | 110.6oz | 64ft/s | 258ft/s | 10.8G | 1,008ft | 7.9s | 6s |
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AeroTech H999 | 108.7oz | 117ft/s | 331ft/s | 52.2G | 1,019ft | 7.4s | 7s |
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AeroTech I245 | 109.9oz | 68ft/s | 299ft/s | 12.5G | 1,116ft | 8.1s | 7s |
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AeroTech I357 | 109.1oz | 65ft/s | 311ft/s | 11.5G | 1,124ft | 8.1s | 7s |
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Cesaroni I566 | 110.6oz | 82ft/s | 364ft/s | 19.0G | 1,198ft | 8.1s | 7s |
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Cesaroni I195 | 111.7oz | 49ft/s | 316ft/s | 6.6G | 1,267ft | 8.9s | 7s |
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Cesaroni I345 | 110.9oz | 63ft/s | 362ft/s | 11.6G | 1,301ft | 8.6s | 7s |
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AeroTech I285 | 114.4oz | 62ft/s | 350ft/s | 10.8G | 1,326ft | 8.7s | 7s |
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Cesaroni I800 | 113.1oz | 95ft/s | 410ft/s | 26.7G | 1,349ft | 8.4s | 8s |
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Cesaroni I236 | 111.1oz | 54ft/s | 344ft/s | 9.1G | 1,354ft | 8.9s | 7s |
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AeroTech I1299 | 111.9oz | 130ft/s | 430ft/s | 47.6G | 1,385ft | 8.3s | 8s |
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Cesaroni I223 | 114.4oz | 49ft/s | 350ft/s | 7.0G | 1,400ft | 9.2s | 7s |
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AeroTech I211 | 113.0oz | 56ft/s | 335ft/s | 9.2G | 1,403ft | 9.1s | 7s |
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AeroTech I305 | 117.5oz | 64ft/s | 362ft/s | 11.5G | 1,410ft | 8.9s | 7s |
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AeroTech I195 | 117.2oz | 59ft/s | 336ft/s | 10.1G | 1,422ft | 9.2s | 7s |
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AeroTech I300 | 112.6oz | 68ft/s | 368ft/s | 13.9G | 1,425ft | 8.9s | 7s |
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Loki I316 | 116.0oz | 75ft/s | 386ft/s | 14.5G | 1,533ft | 9.1s | 8s |
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Cesaroni I287 | 118.3oz | 55ft/s | 398ft/s | 9.2G | 1,573ft | 9.5s | 8s |
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Loki I210 | 116.0oz | 64ft/s | 364ft/s | 12.7G | 1,604ft | 9.5s | 7s |
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Loki I405 | 116.2oz | 90ft/s | 422ft/s | 23.9G | 1,618ft | 9.1s | 8s |
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Cesaroni I285 | 114.8oz | 60ft/s | 410ft/s | 10.0G | 1,670ft | 9.7s | 8s |
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Cesaroni I255 | 115.2oz | 57ft/s | 406ft/s | 8.8G | 1,695ft | 9.8s | 8s |
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Loki I430 | 116.0oz | 74ft/s | 456ft/s | 15.5G | 1,704ft | 9.5s | 8s |
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Loki I377 | 116.8oz | 81ft/s | 428ft/s | 19.3G | 1,705ft | 9.4s | 8s |
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AeroTech I327 | 119.2oz | 66ft/s | 438ft/s | 12.0G | 1,746ft | 9.7s | 8s |
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AeroTech I366 | 116.6oz | 73ft/s | 444ft/s | 14.1G | 1,747ft | 9.6s | 8s |
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AMW I297 | 117.8oz | 61ft/s | 431ft/s | 10.4G | 1,751ft | 9.8s | 8s |
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AeroTech I364 | 120.9oz | 64ft/s | 435ft/s | 11.2G | 1,761ft | 9.7s | 8s |
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Cesaroni I470 | 114.5oz | 75ft/s | 478ft/s | 16.5G | 1,764ft | 9.5s | 8s |
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Cesaroni I303 | 114.6oz | 61ft/s | 435ft/s | 12.0G | 1,776ft | 9.8s | 8s |
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Cesaroni I242 | 116.4oz | 54ft/s | 417ft/s | 7.8G | 1,805ft | 10.2s | 8s |
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AeroTech I280 | 118.7oz | 58ft/s | 435ft/s | 9.2G | 1,808ft | 10.0s | 8s |
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KBA I550 | 122.1oz | 79ft/s | 534ft/s | 18.8G | 1,851ft | 9.5s | 8s |
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AeroTech I435 | 115.3oz | 89ft/s | 486ft/s | 22.6G | 1,861ft | 9.6s | 8s |
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KBA I301 | 122.6oz | 57ft/s | 463ft/s | 11.0G | 1,864ft | 9.9s | 8s |
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Cesaroni I350 | 124.6oz | 63ft/s | 466ft/s | 10.6G | 1,893ft | 10.1s | 8s |
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AeroTech I284 | 116.6oz | 71ft/s | 461ft/s | 13.9G | 1,912ft | 10.0s | 8s |
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AeroTech I500 | 117.3oz | 78ft/s | 526ft/s | 16.7G | 2,001ft | 9.9s | 9s |
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Cesaroni I540 | 118.1oz | 85ft/s | 547ft/s | 18.2G | 2,028ft | 9.9s | 9s |
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AeroTech I600 | 118.2oz | 96ft/s | 545ft/s | 23.9G | 2,037ft | 9.9s | 9s |
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KBA J520 | 122.5oz | 79ft/s | 533ft/s | 19.9G | 2,037ft | 10.1s | 9s |
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AeroTech I350 | 118.7oz | 68ft/s | 522ft/s | 13.6G | 2,068ft | 10.2s | 9s |
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AeroTech J420 | 119.9oz | 75ft/s | 519ft/s | 15.7G | 2,070ft | 10.2s | 9s |
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KBA J740 | 122.5oz | 97ft/s | 582ft/s | 26.1G | 2,074ft | 9.9s | 9s |
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Cesaroni J335 | 119.1oz | 67ft/s | 500ft/s | 11.4G | 2,084ft | 10.4s | 8s |
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Cesaroni I216 | 118.2oz | 54ft/s | 438ft/s | 9.3G | 2,086ft | 10.8s | 8s |
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AeroTech J350 | 120.5oz | 88ft/s | 522ft/s | 23.6G | 2,088ft | 10.1s | 9s |
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AeroTech J340 | 117.4oz | 73ft/s | 509ft/s | 17.4G | 2,101ft | 10.2s | 8s |
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Cesaroni J285 | 118.0oz | 60ft/s | 485ft/s | 10.1G | 2,106ft | 10.6s | 8s |
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Cesaroni J270 | 120.1oz | 53ft/s | 478ft/s | 7.8G | 2,114ft | 10.7s | 8s |
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Cesaroni J357 | 118.2oz | 68ft/s | 519ft/s | 14.7G | 2,119ft | 10.4s | 9s |
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Cesaroni J316 | 118.4oz | 65ft/s | 491ft/s | 12.3G | 2,122ft | 10.5s | 8s |
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AeroTech J425 | 119.3oz | 64ft/s | 553ft/s | 12.3G | 2,166ft | 10.4s | 9s |
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Cesaroni J290 | 120.3oz | 63ft/s | 498ft/s | 10.7G | 2,204ft | 10.8s | 8s |
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AeroTech J270 | 119.6oz | 60ft/s | 499ft/s | 9.8G | 2,262ft | 10.9s | 8s |
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AeroTech J500 | 120.1oz | 88ft/s | 579ft/s | 22.7G | 2,269ft | 10.4s | 9s |
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AeroTech J435 | 119.0oz | 81ft/s | 600ft/s | 19.8G | 2,419ft | 10.7s | 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 G339 | rocket doesn't reach a safe altitude (202ft) |
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AeroTech G67 | speed at end of launch guide too slow (28ft/s) |
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Loki G69 | speed at end of launch guide too slow (29ft/s) |
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AeroTech G61 | speed at end of launch guide too slow (26ft/s) |
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Loki G70 | speed at end of launch guide too slow (31ft/s) |
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Loki G94 | speed at end of launch guide too slow (37ft/s) |
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Cesaroni G69 | speed at end of launch guide too slow (25ft/s) |
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Loki G80 | speed at end of launch guide too slow (33ft/s) |
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Cesaroni G46 | speed at end of launch guide too slow (20ft/s) |
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Cesaroni G185 | speed at end of launch guide too slow (45ft/s) |
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Cesaroni G79 | speed at end of launch guide too slow (26ft/s) |
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Loki G66 | speed at end of launch guide too slow (33ft/s) |
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Cesaroni G60 | speed at end of launch guide too slow (27ft/s) |
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AeroTech G69 | speed at end of launch guide too slow (26ft/s) |
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Cesaroni G58 | speed at end of launch guide too slow (21ft/s) |
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Cesaroni G115 | speed at end of launch guide too slow (35ft/s) |
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Cesaroni G78 | speed at end of launch guide too slow (28ft/s) |
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Cesaroni G50 | speed at end of launch guide too slow (18ft/s) |
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AeroTech H73 | speed at end of launch guide too slow (25ft/s) |
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Loki H100 | speed at end of launch guide too slow (36ft/s) |
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AeroTech H148 | speed at end of launch guide too slow (45ft/s) |
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AeroTech H123 | speed at end of launch guide too slow (38ft/s) |
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AeroTech H100 | speed at end of launch guide too slow (35ft/s) |
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Cesaroni H123 | speed at end of launch guide too slow (35ft/s) |
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Loki H90 | speed at end of launch guide too slow (37ft/s) |
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Loki H125 | speed at end of launch guide too slow (45ft/s) |
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Cesaroni H143 | speed at end of launch guide too slow (37ft/s) |
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Cesaroni H120 | speed at end of launch guide too slow (38ft/s) |
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AeroTech H112 | speed at end of launch guide too slow (30ft/s) |
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Cesaroni H110 | speed at end of launch guide too slow (32ft/s) |
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Cesaroni H152 | speed at end of launch guide too slow (43ft/s) |
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AeroTech H178 | speed at end of launch guide too slow (41ft/s) |
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Cesaroni H125 | speed at end of launch guide too slow (37ft/s) |
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Cesaroni H100 | speed at end of launch guide too slow (33ft/s) |
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AeroTech H170 | speed at end of launch guide too slow (45ft/s) |
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AeroTech H45 | speed at end of launch guide too slow (26ft/s) |
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AeroTech I161 | speed at end of launch guide too slow (47ft/s) |
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AeroTech I140 | speed at end of launch guide too slow (42ft/s) |
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Cesaroni I180 | speed at end of launch guide too slow (43ft/s) |
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Cesaroni I212 | speed at end of launch guide too slow (46ft/s) |
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AeroTech I225 | speed at end of launch guide too slow (48ft/s) |
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AeroTech I154 | speed at end of launch guide too slow (38ft/s) |
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Cesaroni I170 | speed at end of launch guide too slow (47ft/s) |
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AeroTech I49 | speed at end of launch guide too slow (19ft/s) |
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Cesaroni I55 | speed at end of launch guide too slow (21ft/s) |
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Cesaroni I175 | speed at end of launch guide too slow (44ft/s) |
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AeroTech I59 | speed at end of launch guide too slow (39ft/s) |
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Loki I110 | speed at end of launch guide too slow (41ft/s) |
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Cesaroni I125 | speed at end of launch guide too slow (46ft/s) |
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Cesaroni J94 | speed at end of launch guide too slow (35ft/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.)
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).
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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