M1939W Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
98 mm |
98 mm |
= |
| Length |
751 mm |
732 mm |
+3% |
| Prop. Weight |
5,320 g |
5,719 g |
−7% |
| Total Weight |
8,845 g |
8,988 g |
−2% |
| Avg. Thrust |
1,585.6 N |
1,939.0 N |
−18% |
| Max. Thrust |
2,084.2 N |
2,429.7 N |
−14% |
| Total Impulse |
10,339.8 Ns |
10,481.5 Ns |
−1% |
| Burn Time |
6.5 s |
6.2 s |
+5% |
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="198.19" Itot="10339.8" Type="reloadable" auto-calc-cg="1" auto-calc-mass="1" avgThrust="1477.12" burn-time="7." cgDiv="10" cgFix="1" cgStep="-1." code="M1939W" delays="1000" dia="98." exitDia="0." initWt="8844.5" len="751." mDiv="10" mFix="1" mStep="-1." massFrac="60.15" mfg="Aerotech" peakThrust="2084.16" propWt="5320." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<data>
<eng-data cg="375.5" f="0." m="5320." t="0."/>
<eng-data cg="375.5" f="1.33" m="5320." t="0."/>
<eng-data cg="375.5" f="1806.56" m="5273.49" t="0.1"/>
<eng-data cg="375.5" f="1881.42" m="4799.11" t="0.6"/>
<eng-data cg="375.5" f="1982.79" m="4103.24" t="1.3"/>
<eng-data cg="375.5" f="2062.09" m="3478.89" t="1.9"/>
<eng-data cg="375.5" f="2079.71" m="3265.79" t="2.1"/>
<eng-data cg="375.5" f="2084.16" m="2730.2" t="2.6"/>
<eng-data cg="375.5" f="1982.79" m="1997.82" t="3.3"/>
<eng-data cg="375.5" f="1696.38" m="1240.62" t="4.1"/>
<eng-data cg="375.5" f="1145.58" m="436.393" t="5.2"/>
<eng-data cg="375.5" f="991.37" m="216.494" t="5.6"/>
<eng-data cg="375.5" f="176.23" m="36.2693" t="6.2"/>
<eng-data cg="375.5" f="0." m="0." t="7."/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
