3 <engine FDiv="10" FFix="1" FStep="-1." Isp="72.91" Itot="4.29" Type="single-use" auto-calc-cg="1" auto-calc-mass="1" avgThrust="4.165" burn-time="1.03" cgDiv="10" cgFix="1" cgStep="-1." code="B4" delays="2,4" dia="18." exitDia="0." initWt="18.9" len="70." mDiv="10" mFix="1" mStep="-1." massFrac="31.75" mfg="Estes" peakThrust="12.75" propWt="6." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
\r
4 <comments>Estes B4 RASP.ENG file made from NAR published data
\r
5 File produced October 3, 2000
\r
6 The total impulse, peak thrust, average thrust and burn time are
\r
7 the same as the averaged static test data on the NAR web site in
\r
8 the certification file. The curve drawn with these data points is as
\r
9 close to the certification curve as can be with such a limited
\r
10 number of points (32) allowed with wRASP up to v1.6.
\r
13 <eng-data cg="35." f="0." m="6." t="0."/>
\r
14 <eng-data cg="35." f="0.418" m="5.99415" t="0.02"/>
\r
15 <eng-data cg="35." f="1.673" m="5.96491" t="0.04"/>
\r
16 <eng-data cg="35." f="4.076" m="5.8644" t="0.065"/>
\r
17 <eng-data cg="35." f="6.69" m="5.71383" t="0.085"/>
\r
18 <eng-data cg="35." f="9.304" m="5.49014" t="0.105"/>
\r
19 <eng-data cg="35." f="11.496" m="5.2865" t="0.119"/>
\r
20 <eng-data cg="35." f="12.75" m="4.99826" t="0.136"/>
\r
21 <eng-data cg="35." f="11.916" m="4.70503" t="0.153"/>
\r
22 <eng-data cg="35." f="10.666" m="4.38919" t="0.173"/>
\r
23 <eng-data cg="35." f="9.304" m="4.19368" t="0.187"/>
\r
24 <eng-data cg="35." f="7.214" m="4.06662" t="0.198"/>
\r
25 <eng-data cg="35." f="5.645" m="3.98569" t="0.207"/>
\r
26 <eng-data cg="35." f="4.809" m="3.84679" t="0.226"/>
\r
27 <eng-data cg="35." f="4.182" m="3.64559" t="0.258"/>
\r
28 <eng-data cg="35." f="3.763" m="3.26779" t="0.326"/>
\r
29 <eng-data cg="35." f="3.554" m="2.77658" t="0.422"/>
\r
30 <eng-data cg="35." f="3.345" m="2.16387" t="0.549"/>
\r
31 <eng-data cg="35." f="3.345" m="1.62118" t="0.665"/>
\r
32 <eng-data cg="35." f="3.345" m="1.10189" t="0.776"/>
\r
33 <eng-data cg="35." f="3.345" m="0.694871" t="0.863"/>
\r
34 <eng-data cg="35." f="3.449" m="0.329039" t="0.94"/>
\r
35 <eng-data cg="35." f="3.449" m="0.083026" t="0.991"/>
\r
36 <eng-data cg="35." f="2.404" m="0.0380029" t="1.002"/>
\r
37 <eng-data cg="35." f="1.254" m="0.0175385" t="1.01"/>
\r
38 <eng-data cg="35." f="0." m="0." t="1.03"/>
\r