From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lang.hm (unknown [66.167.227.145]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 7137F3CB37 for ; Mon, 24 Apr 2023 15:03:36 -0400 (EDT) Received: from dlang-mobile (unknown [10.2.2.69]) by mail.lang.hm (Postfix) with ESMTP id 29031188E87; Mon, 24 Apr 2023 12:03:35 -0700 (PDT) Date: Mon, 24 Apr 2023 12:03:35 -0700 (PDT) From: David Lang To: Michael Richardson cc: Dave Taht via Starlink In-Reply-To: <26657.1682349381@localhost> Message-ID: <7q84s6oo-6q4n-55so-r5p9-519nqs1os8o3@ynat.uz> References: <26657.1682349381@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed 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 19:03:36 -0000 On Mon, 24 Apr 2023, Michael Richardson via Starlink wrote: > Dave Taht via Starlink wrote: > > Everyone wants a water deluge system and flame diverter, but I was > > thinking perhaps liquid nitrogen, as a natural byproduct of LOX > > Yeah, but how do you put one on the moon or mars? > Lower gravity helps, sure, ... lower gravity helps so much that you don't need 33 engines, the 6 engines on the starship will make it from mars to earth, let alone from the moon. > > Landing and then taking off from the moon or mars look rather > > problematic at the moment! > > Do the rockets do the swoop and flip on mars and the moon? on mars, yes, it will do aero-braking and then flip and land. On the mood it will just use engines (and possibly lower powered engines mounted higher in the craft for the final touchdown and initial liftoff to avoid this sort of problem. David Lang