From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oo1-xc2c.google.com (mail-oo1-xc2c.google.com [IPv6:2607:f8b0:4864:20::c2c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id DD19A3CB37 for ; Mon, 24 Apr 2023 12:02:22 -0400 (EDT) Received: by mail-oo1-xc2c.google.com with SMTP id 006d021491bc7-541f4ee6f89so1689154eaf.2 for ; Mon, 24 Apr 2023 09:02:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682352142; x=1684944142; h=content-transfer-encoding:to:subject:message-id:date:from :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=sakFMPyMoTvHJ0MNEF2I53K3F+jw3P9RSThMGphWrhM=; b=OPdfkl2RwwyR1BTnUB18/U9xFeXErOOnBpS7mZ4eJtUV13c3ya2LWecajKYSSCdxaF JQ+Zcwoke0s58iKTRoESEZpWD8yQAAQvP/8jthKRSJJ/bNmn3tmUPgDzznKUuhSw0dgm Z4ylkABHp46uxPmuqFjRLd73eiEwGf5sfk54831fPI0JFny0bHJRtYxHmfSM42HgLan9 6d49dLOD4zX8d2RqK/mYFFv/exRZeD8rh0pYQfdKhFPwxAbGad1pgxS8pHNWOqrfcJ50 /sjQjDWvnwukMDO9n6VQW6dF6c53YN2bNiyn93YPUonVD+4JadtgDhT0mO6uDdkUxSql RWsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682352142; x=1684944142; h=content-transfer-encoding:to:subject:message-id:date:from :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=sakFMPyMoTvHJ0MNEF2I53K3F+jw3P9RSThMGphWrhM=; b=WdXO5dSPr/LV8thO/4QoBNsa+b2hXWSpn8vI7Dun0kRRw064B8YhSIgsOkDENvVRh8 +NzI1DLmPWwVx9E986Qmbb8fvtuVwjoa8BNRp/g9NztmWQBHoctsWANFgj2/EwVWU9iU Mn4ZpIt53Artft77YJYsmHH0NwRgjF66mlw2GG5/gr3Xx9Jkkcl1MHTcW5MScBzgy2OL QIdhMeyOl5bDL0u2KITEVawUN5KuS0D/zg0xZ7xecP5aYDS7zM4Eclf7dNHpkbTrer4g PEKoksrtHtIlrDhrPBzJPNy/RMeHmVXnQ8CboGsE2QN4BMnZU4jfp8XlgzxLRfQm3Fk1 EvjA== X-Gm-Message-State: AAQBX9eIe5OISCpWlTBUM4Y1VazYNBUmnhXd1gWbljo+fRkQgdLhoClI Od5BdvC7Yke4LQnLBlCrCsP2nd2SoJLgpEpWiljlFHFNwFZzXg== X-Google-Smtp-Source: AKy350ax8U7QV9Lcq43hzW6yPpZ1FLqrfiR6Tr1Fd0DWstulr3WaaemfdumcHBTUyihp5ZOgx4NjWMI/4dDmVVP4+eg= X-Received: by 2002:a05:6820:410:b0:547:7a04:fca with SMTP id o16-20020a056820041000b005477a040fcamr2886064oou.3.1682352141743; Mon, 24 Apr 2023 09:02:21 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a05:6358:3e93:b0:118:4a30:b981 with HTTP; Mon, 24 Apr 2023 09:02:21 -0700 (PDT) From: =?UTF-8?Q?David_Fern=C3=A1ndez?= Date: Mon, 24 Apr 2023 18:02:21 +0200 Message-ID: To: starlink@lists.bufferbloat.net Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Starlink] some post Starship launch thoughts X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Apr 2023 16:02:23 -0000 > Probably the best summary of the problems encountered is here: > https://www.youtube.com/watch?v=3Dw8q24QLXixo courtesy Scott Manley. In Spanish, probably here: https://www.youtube.com/watch?v=3DrfB0moaiax4 Regards, David > Date: Mon, 24 Apr 2023 07:12:24 -0700 > From: Dave Taht > To: Dave Taht via Starlink > Subject: [Starlink] some post Starship launch thoughts > Message-ID: > > Content-Type: text/plain; charset=3D"UTF-8" > > I was down in starbase, tx for the week of the launch. It was a great > time, 10s of thousands of people there, my hotel had some of the musk > family staying, and had a party on the roof... I was there packing > guitar photobombing "this machine kills vogons" everywhere I could. > > Probably the best summary of the problems encountered is here: > https://www.youtube.com/watch?v=3Dw8q24QLXixo courtesy Scott Manley. > The best video describing the reactions of everybody, is here: > https://twitter.com/Erdayastronaut/status/1649141793508716583 > > Also, I met a young lady that paints watercolors of rockets, her work > is here: https://www.jadeboudreaux.com/ > (she gifted me a holographic raptor for my guitar, I gifted her a > scarf from in return https://www.natashasilkart.com/# ) > (support your local artists! Hilariously none of my pictures from dusk > came out on my camera, while jade painted away like mad) > > I was most impressed by losing 6 engines over the course of the > flight... and none exploding. Modern sensor technology is amazing. > > Anyway, like most of the monday morning quarterbacks, thinking about > the destruction of the pad, I had had two ideas that I would like to > run by folk here: > > Everyone wants a water deluge system and flame diverter, but I was > thinking perhaps liquid nitrogen, as a natural byproduct of LOX > liquification, might be used rather than water? It starts off quite a > bit cooler... but as for its ability to cushion shock waves vs a vs > its vapor point, no idea. ? Anyone? > > Secondly tuning the shockwaves against the pad (somehow), might limit > the vibrative (is that a word) force? A slower start of the motors > might damage the pad less, also. > > Landing and then taking off from the moon or mars look rather > problematic at the moment! > > It looks to me as though everything can be repaired in a matter of > months, and there is a watercooled plate designed for the pad that > will go in next time. The nextgen rocket has replaced some hydraulics > with electric motors. That said, it seems like the day where the > starlink v2 sats can launch on starship is at least a year, maybe 2-3 > off, and that means we will see more of the v2 minis being flown on > falcon. Does anyone have a good summary of the capabilities of the v2 > minis vs a vs 1.5? Any updated numbers on userbase? > > -- > AMA March 31: https://www.broadband.io/c/broadband-grant-events/dave-taht > Dave T=C3=A4ht CEO, TekLibre, LLC > >