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	Comments on: SpaceX launches NASA X-ray telescope	</title>
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		<title>
		By: Jeff Wright		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/spacex-launches-nasa-x-ray-telescope/#comment-1253994</link>

		<dc:creator><![CDATA[Jeff Wright]]></dc:creator>
		<pubDate>Fri, 10 Dec 2021 07:12:31 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=81116#comment-1253994</guid>

					<description><![CDATA[This makes me wonder how hard it would be for a five core Falcon superheavy to ease Raptor production woes. Most of the strengthening is done.]]></description>
			<content:encoded><![CDATA[<p>This makes me wonder how hard it would be for a five core Falcon superheavy to ease Raptor production woes. Most of the strengthening is done.</p>
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		<title>
		By: Ray Van Dune		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/spacex-launches-nasa-x-ray-telescope/#comment-1253711</link>

		<dc:creator><![CDATA[Ray Van Dune]]></dc:creator>
		<pubDate>Thu, 09 Dec 2021 22:26:42 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=81116#comment-1253711</guid>

					<description><![CDATA[I listened to the NASASpaceflight commentary on the launch, and during a wind shear hold, they mentioned that SpaceX has demonstrated all the possible re-use cases for the F9/FH boosters:
1. Std F9 re-flown as FH side booster
2. FH side booster re-flown as std F9
3. FH core booster re-flown as std F9

FH core booster cannot be replaced by Std F9 booster or by FH side booster, due to special strengthening used in FH core design. In other words, it takes a specially-strengthened booster to handle the center position in the FH! Still a pretty impressive demonstration of manufacturing standardization and resultant use  flexibility.]]></description>
			<content:encoded><![CDATA[<p>I listened to the NASASpaceflight commentary on the launch, and during a wind shear hold, they mentioned that SpaceX has demonstrated all the possible re-use cases for the F9/FH boosters:<br />
1. Std F9 re-flown as FH side booster<br />
2. FH side booster re-flown as std F9<br />
3. FH core booster re-flown as std F9</p>
<p>FH core booster cannot be replaced by Std F9 booster or by FH side booster, due to special strengthening used in FH core design. In other words, it takes a specially-strengthened booster to handle the center position in the FH! Still a pretty impressive demonstration of manufacturing standardization and resultant use  flexibility.</p>
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