H97J Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
29 mm |
29 mm |
= |
| Length |
238 mm |
238 mm |
= |
| Prop. Weight |
137 g |
137 g |
= |
| Total Weight |
278 g |
278 g |
= |
| Avg. Thrust |
89.9 N |
97.0 N |
−7% |
| Max. Thrust |
103.6 N |
111.5 N |
−7% |
| Total Impulse |
189.0 Ns |
177.3 Ns |
+7% |
| Burn Time |
2.1 s |
2.2 s |
−6% |
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Raw Data
<engine-database>
<engine-list>
<engine FDiv="10" FFix="1" FStep="-1." Isp="140.58" Itot="189.009253" Type="reloadable" auto-calc-cg="1" auto-calc-mass="1" avgThrust="80.911496" burn-time="2.336" cgDiv="10" cgFix="1" cgStep="-1." code="H97J" delays="6,10" dia="29." exitDia="0." initWt="277.76" len="238." mDiv="10" mFix="1" mStep="-1." massFrac="49.36" mfg="Aerotech" peakThrust="103.55" propWt="137.1" tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<comments>Corrected 2026-09-23; supersedes ThrustCurve.org simfile 5f4294d20002e90000000393 (user, RockSim).
Data of ThrustCurve simfile 5f4294d20002e90000000027 (RASP/cert) for this motor, converted to RockSim format; it replaces a curve that was wrong (see the audit).
</comments>
<data>
<eng-data cg="119.5" f="0" m="137.1" t="0"/>
<eng-data cg="119.5" f="89.405" m="135.640854" t="0.045"/>
<eng-data cg="119.5" f="100.289" m="129.380205" t="0.136"/>
<eng-data cg="119.5" f="100.463" m="122.681789" t="0.228"/>
<eng-data cg="119.5" f="102.019" m="115.925649" t="0.32"/>
<eng-data cg="119.5" f="102.813" m="109.165386" t="0.411"/>
<eng-data cg="119.5" f="103.55" m="102.27975" t="0.503"/>
<eng-data cg="119.5" f="101.701" m="95.431218" t="0.595"/>
<eng-data cg="119.5" f="103.056" m="88.67343" t="0.686"/>
<eng-data cg="119.5" f="103.331" m="81.786994" t="0.778"/>
<eng-data cg="119.5" f="102.613" m="74.915338" t="0.87"/>
<eng-data cg="119.5" f="103.394" m="68.116296" t="0.961"/>
<eng-data cg="119.5" f="100.963" m="61.297593" t="1.053"/>
<eng-data cg="119.5" f="101.226" m="54.55123" t="1.145"/>
<eng-data cg="119.5" f="99.864" m="47.914468" t="1.236"/>
<eng-data cg="119.5" f="98.42" m="41.298401" t="1.328"/>
<eng-data cg="119.5" f="96.827" m="34.783668" t="1.42"/>
<eng-data cg="119.5" f="95.034" m="28.451499" t="1.511"/>
<eng-data cg="119.5" f="93.241" m="22.169399" t="1.603"/>
<eng-data cg="119.5" f="93.485" m="15.938983" t="1.695"/>
<eng-data cg="119.5" f="88.068" m="9.947019" t="1.786"/>
<eng-data cg="119.5" f="64.358" m="4.861078" t="1.878"/>
<eng-data cg="119.5" f="30.264" m="1.703862" t="1.97"/>
<eng-data cg="119.5" f="8.691" m="0.418194" t="2.061"/>
<eng-data cg="119.5" f="1.399" m="0.081524" t="2.153"/>
<eng-data cg="119.5" f="0.525" m="0.017327" t="2.245"/>
<eng-data cg="119.5" f="0" m="0" t="2.336"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
