H73J Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
38 mm |
38 mm |
= |
| Length |
154 mm |
152 mm |
+1% |
| Prop. Weight |
140 g |
143 g |
−2% |
| Total Weight |
308 g |
309 g |
= |
| Avg. Thrust |
52.7 N |
73.0 N |
−28% |
| Max. Thrust |
69.6 N |
97.1 N |
−28% |
| Total Impulse |
180.1 Ns |
185.6 Ns |
−3% |
| Burn Time |
3.4 s |
2.6 s |
+34% |
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="131.14" Itot="180.052" Type="reloadable" auto-calc-cg="1" auto-calc-mass="1" avgThrust="51.443" burn-time="3.5" cgDiv="10" cgFix="1" cgStep="-1." code="H73J" delays="6,10" dia="38." exitDia="0." initWt="308.3" len="154." mDiv="10" mFix="1" mStep="-1." massFrac="45.41" mfg="Aerotech" peakThrust="69.57" propWt="140." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<data>
<eng-data cg="77." f="0." m="140." t="0."/>
<eng-data cg="77." f="69.57" m="140." t="0."/>
<eng-data cg="77." f="61.43" m="114.535" t="0.5"/>
<eng-data cg="77." f="57.38" m="68.3444" t="1.5"/>
<eng-data cg="77." f="57.38" m="37.1131" t="2.2"/>
<eng-data cg="77." f="49.15" m="20.5465" t="2.6"/>
<eng-data cg="77." f="45.06" m="16.8838" t="2.7"/>
<eng-data cg="77." f="36.87" m="10.5133" t="2.9"/>
<eng-data cg="77." f="32.78" m="5.09765" t="3.1"/>
<eng-data cg="77." f="28.69" m="2.70784" t="3.2"/>
<eng-data cg="77." f="4.09" m="0.15901" t="3.4"/>
<eng-data cg="77." f="0." m="0." t="3.5"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
