SCR-A8 Data (RockSim)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
18 mm |
18 mm |
= |
| Length |
70 mm |
70 mm |
= |
| Prop. Weight |
3 g |
3 g |
= |
| Total Weight |
12 g |
15 g |
−23% |
| Avg. Thrust |
4.1 N |
3.2 N |
+30% |
| Max. Thrust |
8.7 N |
7.2 N |
+21% |
| Total Impulse |
2.5 Ns |
2.4 Ns |
+3% |
| Burn Time |
0.6 s |
0.8 s |
−20% |
File Errors
File is usable, but has some problems:
- invalid massFrac value "0."; expected ratio
- invalid Isp value "0."; expected seconds
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File Notes
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Raw Data
<engine-database>
<engine-list>
<engine mfg="Southern Cross Rocketry" code="A8" Type="single-use" dia="18." len="70."
initWt="11.5" propWt="3." delays="3,5" auto-calc-mass="1" auto-calc-cg="1"
avgThrust="3.338" peakThrust="8.706" throatDia="0." exitDia="0." Itot="2.46"
burn-time="0.74" massFrac="0." Isp="0." tDiv="10" tStep="-1." tFix="1" FDiv="10"
FStep="-1." FFix="1" mDiv="10" mStep="-1." mFix="1" cgDiv="10" cgStep="-1."
cgFix="1">
<data>
<eng-data t="0." f="0." m="0." cg="0."/>
<eng-data t="0.0806184" f="0.403361" m="0." cg="0."/>
<eng-data t="0.13915" f="1.31092" m="0." cg="0."/>
<eng-data t="0.213694" f="3.04202" m="0." cg="0."/>
<eng-data t="0.399779" f="8.70588" m="0." cg="0."/>
<eng-data t="0.581999" f="2.30252" m="0." cg="0."/>
<eng-data t="0.631143" f="1.15966" m="0." cg="0."/>
<eng-data t="0.685257" f="0.352941" m="0." cg="0."/>
<eng-data t="0.737162" f="0.0168067" m="0." cg="0."/>
</data>
</engine>
</engine-list>
</engine-database>
You can also download the raw data points as a CSV file.
