H242T Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
38 mm |
38 mm |
= |
| Length |
152 mm |
152 mm |
= |
| Prop. Weight |
115 g |
115 g |
= |
| Total Weight |
264 g |
264 g |
= |
| Avg. Thrust |
204.6 N |
242.0 N |
−15% |
| Max. Thrust |
247.2 N |
276.6 N |
−11% |
| Total Impulse |
253.0 Ns |
231.7 Ns |
+9% |
| Burn Time |
1.2 s |
1.1 s |
+17% |
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Raw Data
<engine-database>
<engine-list>
<engine FDiv="10" FFix="1" FStep="-1." Isp="224.92" Itot="252.99141" Type="reloadable" auto-calc-cg="1" auto-calc-mass="1" avgThrust="188.79956" burn-time="1.34" cgDiv="10" cgFix="1" cgStep="-1." code="H242T" delays="6,10,14" dia="38." exitDia="0." initWt="264." len="152." mDiv="10" mFix="1" mStep="-1." massFrac="43.45" mfg="Aerotech" peakThrust="247.21" propWt="114.7" tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<comments>Corrected 2026-09-23; supersedes ThrustCurve.org simfile 5f4294d20002e9000000039d (user, RockSim).
Data of ThrustCurve simfile 5f4294d20002e9000000001b (RASP/cert) for this motor, converted to RockSim format; it replaces a curve that was wrong (see the audit).
</comments>
<data>
<eng-data cg="77." f="0" m="114.7" t="0"/>
<eng-data cg="77." f="207.058" m="113.526563" t="0.025"/>
<eng-data cg="77." f="237.941" m="108.281025" t="0.077"/>
<eng-data cg="77." f="240.171" m="102.64516" t="0.129"/>
<eng-data cg="77." f="241.906" m="96.962556" t="0.181"/>
<eng-data cg="77." f="246.425" m="91.095532" t="0.234"/>
<eng-data cg="77." f="245.971" m="85.17967" t="0.287"/>
<eng-data cg="77." f="247.21" m="79.254377" t="0.34"/>
<eng-data cg="77." f="246.516" m="73.434457" t="0.392"/>
<eng-data cg="77." f="245.71" m="67.520638" t="0.445"/>
<eng-data cg="77." f="244.881" m="61.626462" t="0.498"/>
<eng-data cg="77." f="242.997" m="55.875477" t="0.55"/>
<eng-data cg="77." f="240.518" m="50.175922" t="0.602"/>
<eng-data cg="77." f="235.271" m="44.459584" t="0.655"/>
<eng-data cg="77." f="229.464" m="38.876053" t="0.708"/>
<eng-data cg="77." f="222.871" m="33.544041" t="0.76"/>
<eng-data cg="77." f="216.278" m="28.267912" t="0.813"/>
<eng-data cg="77." f="206.959" m="23.182956" t="0.866"/>
<eng-data cg="77." f="195.458" m="18.348142" t="0.919"/>
<eng-data cg="77." f="184.255" m="13.872179" t="0.971"/>
<eng-data cg="77." f="174.49" m="9.643382" t="1.023"/>
<eng-data cg="77." f="170.067" m="5.503722" t="1.076"/>
<eng-data cg="77." f="99.588" m="2.263969" t="1.129"/>
<eng-data cg="77." f="25.281" m="0.792044" t="1.181"/>
<eng-data cg="77." f="12.839" m="0.342695" t="1.233"/>
<eng-data cg="77." f="7.769" m="0.095101" t="1.286"/>
<eng-data cg="77." f="0" m="0" t="1.34"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
