3 <engine FDiv="10" FFix="1" FStep="-1." Isp="207.6" Itot="74.919" Type="single-use" auto-calc-cg="1" auto-calc-mass="1" avgThrust="61.917" burn-time="1.21" cgDiv="10" cgFix="1" cgStep="-1." code="F72" delays="5,10,15" dia="24." exitDia="0." initWt="74.2" len="124." mDiv="10" mFix="1" mStep="-1." massFrac="49.6" mfg="Aerotech" peakThrust="98.78" propWt="36.8" tDiv="10" tFix="1" tStep="-1." throatDia="0.">
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4 <comments>Aerotech F72 RASP.ENG file made from NAR published data
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5 File produced July 4, 2000
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6 The total impulse, peak thrust, average thrust and burn time are
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7 the same as the averaged static test data on the NAR web site in
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8 the certification file. The curve drawn with these data points is as
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9 close to the certification curve as can be with such a limited
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10 number of points (32) allowed with wRASP up to v1.6.
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13 <eng-data cg="62." f="0." m="36.8" t="0."/>
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14 <eng-data cg="62." f="62.586" m="36.6155" t="0.012"/>
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15 <eng-data cg="62." f="84.986" m="36.4343" t="0.017"/>
\r
16 <eng-data cg="62." f="98.78" m="36.2989" t="0.02"/>
\r
17 <eng-data cg="62." f="94.748" m="35.8236" t="0.03"/>
\r
18 <eng-data cg="62." f="90.152" m="34.9154" t="0.05"/>
\r
19 <eng-data cg="62." f="82.688" m="34.1089" t="0.069"/>
\r
20 <eng-data cg="62." f="85.556" m="33.2825" t="0.089"/>
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21 <eng-data cg="62." f="80.39" m="32.6711" t="0.104"/>
\r
22 <eng-data cg="62." f="83.255" m="31.385" t="0.136"/>
\r
23 <eng-data cg="62." f="80.96" m="30.9817" t="0.146"/>
\r
24 <eng-data cg="62." f="82.688" m="29.776" t="0.176"/>
\r
25 <eng-data cg="62." f="78.672" m="28.9041" t="0.198"/>
\r
26 <eng-data cg="62." f="80.96" m="28.3161" t="0.213"/>
\r
27 <eng-data cg="62." f="80.39" m="26.731" t="0.253"/>
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28 <eng-data cg="62." f="80.96" m="24.2741" t="0.315"/>
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29 <eng-data cg="62." f="79.821" m="21.7074" t="0.38"/>
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30 <eng-data cg="62." f="79.241" m="19.7932" t="0.429"/>
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31 <eng-data cg="62." f="78.092" m="17.4748" t="0.489"/>
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32 <eng-data cg="62." f="78.672" m="16.1657" t="0.523"/>
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33 <eng-data cg="62." f="75.225" m="15.6744" t="0.536"/>
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34 <eng-data cg="62." f="73.496" m="10.5973" t="0.675"/>
\r
35 <eng-data cg="62." f="67.182" m="9.76815" t="0.699"/>
\r
36 <eng-data cg="62." f="68.331" m="9.10251" t="0.719"/>
\r
37 <eng-data cg="62." f="64.884" m="8.18643" t="0.747"/>
\r
38 <eng-data cg="62." f="66.033" m="7.47907" t="0.769"/>
\r
39 <eng-data cg="62." f="60.867" m="4.70527" t="0.858"/>
\r
40 <eng-data cg="62." f="52.824" m="2.89032" t="0.923"/>
\r
41 <eng-data cg="62." f="40.195" m="1.58815" t="0.98"/>
\r
42 <eng-data cg="62." f="29.864" m="1.03754" t="1.012"/>
\r
43 <eng-data cg="62." f="20.092" m="0.767624" t="1.034"/>
\r
44 <eng-data cg="62." f="11.48" m="0.341154" t="1.089"/>
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45 <eng-data cg="62." f="0." m="0." t="1.21"/>
\r