3 <engine FDiv="10" FFix="1" FStep="-1." Isp="760.96" Itot="171.637" Type="hybrid" auto-calc-cg="1" auto-calc-mass="1" avgThrust="286.061" burn-time="0.6" cgDiv="10" cgFix="1" cgStep="-1." code="H303" delays="1000" dia="38." exitDia="0." initWt="589." len="508." mDiv="10" mFix="1" mStep="-1." massFrac="3.9" mfg="Contrail" peakThrust="780.15" propWt="23." tDiv="10" tFix="1" tStep="-1." throatDia="0.">
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4 <comments>H-303-PVC Hybrid Motor
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6 38mm/20 Inch Hardware
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7 Uses 185cc Nitrous Oxide
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10 <eng-data cg="254." f="0." m="23." t="0."/>
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11 <eng-data cg="254." f="663.812" m="23." t="0."/>
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12 <eng-data cg="254." f="780.15" m="18.6712" t="0.0447427"/>
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13 <eng-data cg="254." f="704.872" m="12.3273" t="0.108501"/>
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14 <eng-data cg="254." f="342.171" m="12.0919" t="0.111857"/>
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15 <eng-data cg="254." f="328.484" m="9.1766" t="0.176734"/>
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16 <eng-data cg="254." f="307.954" m="8.31804" t="0.196868"/>
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17 <eng-data cg="254." f="0." m="0." t="0.6"/>
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