<div dir="ltr"> It's also interesting that SpaceX has gone through all of this before... <a href="https://youtu.be/0xWRhKB3JTM?t=1340">https://youtu.be/0xWRhKB3JTM?t=1340</a></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 26, 2023 at 3:35 PM Nathan Owens <<a href="mailto:nathan@nathan.io">nathan@nathan.io</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Only some small portion of the pad was Fondag -- seen here</div><img src="cid:ii_lgy9y81x0" alt="Screenshot 2023-04-26 at 3.35.22 PM.png" width="563" height="454"><br><div><br></div><div><br></div><div>Good video: <a href="https://www.youtube.com/watch?v=zKhJwWymJWE" target="_blank">https://www.youtube.com/watch?v=zKhJwWymJWE</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 26, 2023 at 3:30 PM Bruce Perens via Starlink <<a href="mailto:starlink@lists.bufferbloat.net" target="_blank">starlink@lists.bufferbloat.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I found it interesting that the pad was constructed of Fondag. This is pure calcium aluminate cement. The cement and aggregate are both made of the same clinker, there's just a difference in size of the particles. The aggregate doesn't simply have a physical bond to the cement, there is a chemical bond as well. The aggregate and cement are non-porous. Fondag can resist thermal cycling from -395 to 2000 F. It doesn't shed lime.</div>
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