Looks like non-folding Grid Fins on BN4, guessing this is a case of Best part is no part. Is this accurate @elonmusk ? (Image via @SpacePadreIsle )
@elonmusk @SpacePadreIsle @Erdayastronaut Any payload for the Orbital attempt?
@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut Will future boosters have retractable/folding grid fins or are they going to be fixed from now on?
@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut Is this a sign Elon?
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@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut Grid fin looks like it's made from many pieces of titanium plate stock, that are cut, assembled, and welded together No more single-piece cast titanium grid fins?
@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut Is non folding the plan going forward? Or just for the first B4 orbit test?
@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut No drag on ascension?
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@elonmusk @ErcXspace @SpacePadreIsle @Erdayastronaut I'm guessing the weight/cost/complexity of folding fins is > drag penalty.