G12ST Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
29 mm |
29 mm |
= |
| Length |
153 mm |
156 mm |
−2% |
| Prop. Weight |
82 g |
82 g |
= |
| Total Weight |
155 g |
150 g |
+3% |
| Avg. Thrust |
10.9 N |
11.3 N |
−4% |
| Max. Thrust |
33.8 N |
30.9 N |
+10% |
| Total Impulse |
142.0 Ns |
144.0 Ns |
−1% |
| Burn Time |
13.0 s |
12.7 s |
+3% |
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Data Graph
File Notes
| old version
| John Coker
| January 31, 2021
| |
This was the original formulation, which tended to overheat. See the newer data file for reformulated motor, which became available in 2021.
|
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Raw Data
<engine-database>
<engine-list>
<engine mfg="Aerotech" code="G12ST" Type="single-use" dia="29." len="153."
initWt="154.7" propWt="82." delays="1000" auto-calc-mass="1" auto-calc-cg="1"
avgThrust="10.87" peakThrust="33.827" throatDia="0." exitDia="0." Itot="141.966"
burn-time="13.06" massFrac="53.01" Isp="176.54" tDiv="10" tStep="-1." tFix="1"
FDiv="10" FStep="-1." FFix="1" mDiv="10" mStep="-1." mFix="1" cgDiv="10"
cgStep="-1." cgFix="1">
<comments>TMT Certified 142-G11-P 8-26-18</comments>
<data>
<eng-data t="0." f="0." m="82." cg="76.5"/>
<eng-data t="0.042" f="33.827" m="81.5897" cg="76.5"/>
<eng-data t="0.104" f="30.173" m="80.4437" cg="76.5"/>
<eng-data t="0.23" f="28.009" m="78.3265" cg="76.5"/>
<eng-data t="0.543" f="22.326" m="73.7765" cg="76.5"/>
<eng-data t="0.836" f="16.102" m="70.5248" cg="76.5"/>
<eng-data t="1.024" f="12.448" m="68.9747" cg="76.5"/>
<eng-data t="1.379" f="10.96" m="66.5748" cg="76.5"/>
<eng-data t="2.006" f="10.148" m="62.7526" cg="76.5"/>
<eng-data t="4.054" f="9.742" m="50.9883" cg="76.5"/>
<eng-data t="6.269" f="10.148" m="38.2648" cg="76.5"/>
<eng-data t="6.415" f="10.148" m="37.409" cg="76.5"/>
<eng-data t="6.582" f="10.148" m="36.4302" cg="76.5"/>
<eng-data t="11.973" f="9.742" m="5.46286" cg="76.5"/>
<eng-data t="12.475" f="9.742" m="2.63811" cg="76.5"/>
<eng-data t="12.663" f="9.607" m="1.58756" cg="76.5"/>
<eng-data t="12.83" f="9.066" m="0.686963" cg="76.5"/>
<eng-data t="12.913" f="7.713" m="0.284762" cg="76.5"/>
<eng-data t="12.934" f="5.412" m="0.205161" cg="76.5"/>
<eng-data t="13.018" f="2.03" m="0.0246232" cg="76.5"/>
<eng-data t="13.06" f="0." m="0." cg="76.5"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
