J245-BG Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
54 mm |
54 mm |
= |
| Length |
711 mm |
719 mm |
−1% |
| Prop. Weight |
100 g |
450 g |
−78% |
| Total Weight |
1,550 g |
1,550 g |
= |
| Avg. Thrust |
256.4 N |
245.3 N |
+5% |
| Max. Thrust |
444.8 N |
681.1 N |
−35% |
| Total Impulse |
643.7 Ns |
643.5 Ns |
= |
| Burn Time |
2.5 s |
2.6 s |
−4% |
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="656.4" Itot="643.706" Type="hybrid" auto-calc-cg="1" auto-calc-mass="1" avgThrust="245.689" burn-time="2.62" cgDiv="10" cgFix="1" cgStep="-1." code="J245" delays="1000" dia="54." exitDia="0." initWt="1550." len="711.2" mDiv="10" mFix="1" mStep="-1." massFrac="6.45" mfg="Contrail" peakThrust="444.822" propWt="100." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<comments>J-245-BG Reload
Slow Nozzle
54mm/28 Inch Hardware
</comments>
<data>
<eng-data cg="355.6" f="0." m="100." t="0."/>
<eng-data cg="355.6" f="444.822" m="100." t="0."/>
<eng-data cg="355.6" f="355.858" m="91.3041" t="0.139821"/>
<eng-data cg="355.6" f="307.954" m="44.2989" t="1.05145"/>
<eng-data cg="355.6" f="184.772" m="5.55514" t="2.06376"/>
<eng-data cg="355.6" f="102.651" m="3.43242" t="2.15884"/>
<eng-data cg="355.6" f="68.4342" m="1.79733" t="2.28188"/>
<eng-data cg="355.6" f="0." m="0." t="2.62"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
