G75J Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
29 mm |
29 mm |
= |
| Length |
195 mm |
194 mm |
+1% |
| Prop. Weight |
106 g |
104 g |
+1% |
| Total Weight |
228 g |
233 g |
−2% |
| Avg. Thrust |
75.2 N |
75.0 N |
= |
| Max. Thrust |
87.3 N |
70.3 N |
+24% |
| Total Impulse |
161.4 Ns |
135.6 Ns |
+19% |
| Burn Time |
2.1 s |
2.4 s |
−12% |
File Errors
File is usable, but has some problems:
- eng-data/t value "0" not after previous point
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Data Graph
File Notes
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Raw Data
<engine-database>
<engine-list>
<engine FDiv="10" FFix="1" FStep="-1." Isp="155.88" Itot="161.429" Type="reloadable" auto-calc-cg="1" auto-calc-mass="1" avgThrust="73.377" burn-time="2.2" cgDiv="10" cgFix="1" cgStep="-1." code="G75J" delays="6,10" dia="29." exitDia="0." initWt="227.9" len="195." mDiv="10" mFix="1" mStep="-1." massFrac="46.34" mfg="Aerotech" peakThrust="87.27" propWt="105.6" tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<data>
<eng-data cg="97.5" f="0." m="105.6" t="0."/>
<eng-data cg="97.5" f="0.04" m="105.6" t="0."/>
<eng-data cg="97.5" f="82.64" m="102.896" t="0.1"/>
<eng-data cg="97.5" f="78.06" m="97.6396" t="0.2"/>
<eng-data cg="97.5" f="78.06" m="92.5332" t="0.3"/>
<eng-data cg="97.5" f="87.27" m="81.718" t="0.5"/>
<eng-data cg="97.5" f="87.27" m="24.6297" t="1.5"/>
<eng-data cg="97.5" f="82.64" m="13.5149" t="1.7"/>
<eng-data cg="97.5" f="64.27" m="3.90467" t="1.9"/>
<eng-data cg="97.5" f="18.37" m="1.20169" t="2."/>
<eng-data cg="97.5" f="0." m="0." t="2.2"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
