K234-BG Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
54 mm |
54 mm |
= |
| Length |
1,219 mm |
1,263 mm |
−3% |
| Prop. Weight |
385 g |
450 g |
−14% |
| Total Weight |
2,063 g |
2,063 g |
= |
| Avg. Thrust |
235.5 N |
235.0 N |
= |
| Max. Thrust |
400.0 N |
477.5 N |
−16% |
| Total Impulse |
1,597.1 Ns |
1,657.0 Ns |
−4% |
| Burn Time |
6.8 s |
7.0 s |
−4% |
Add this file to my outbox.
Data Graph
File Notes
Do you have a comment on this file?
Please add a note.
Raw Data
<engine-database>
<engine-list>
<engine FDiv="10" FFix="1" FStep="-1." Isp="423.01" Itot="1597.098771" Type="hybrid" auto-calc-cg="1" auto-calc-mass="1" avgThrust="226.538833" burn-time="7.05" cgDiv="10" cgFix="1" cgStep="-1." code="K234" delays="1000" dia="54." exitDia="0." initWt="2063." len="1219.2" mDiv="10" mFix="1" mStep="-1." massFrac="18.66" mfg="Contrail" peakThrust="400" propWt="385." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
<comments>Corrected 2026-09-23; supersedes ThrustCurve.org simfile 5f4294d20002e90000000324 (user, RockSim).
Slow ~0.6 s rise per the Contrail K234BG cert letter (the file reached 397 N at 0.23 s).
K-234-BG Reload
Slow Nozzle
54mm/48 Inch Hardware
</comments>
<data>
<eng-data cg="609.6" f="0" m="385" t="0"/>
<eng-data cg="609.6" f="180" m="380.660882" t="0.2"/>
<eng-data cg="609.6" f="270" m="369.813087" t="0.4"/>
<eng-data cg="609.6" f="400" m="353.661926" t="0.6"/>
<eng-data cg="609.6" f="338.749" m="320.435474" t="0.973154"/>
<eng-data cg="609.6" f="171.085" m="13.18157" t="5.97315"/>
<eng-data cg="609.6" f="106.073" m="10.565869" t="6.05145"/>
<eng-data cg="609.6" f="78.6993" m="7.327249" t="6.19687"/>
<eng-data cg="609.6" f="54.7473" m="4.448613" t="6.37584"/>
<eng-data cg="609.6" f="0" m="0" t="7.05"/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
