Pressuvessels for Space Habs

To simulate gravity on the Moon, a 100 m dia hab needs to rotate only at
around 2 rpm.

Selvaraj

On 26 June 2018 at 20:15, markus baur baur@... [spacesettlers] <
spacesettlers@yahoogroups.com> wrote:

>
> Am 26.06.2018 um 15:27 schrieb Joe Strout joe@... [spacesettlers]:
> > baur baur baur@... [spacesettlers] wrote:
> >
> > > this adds of course the joys of either having to dock on a rotating
> body
> > > (so the station will have only two docking ports) or having to build a
> > > really large dual spin structure (i can hear the howls of the
> structural
> > > engineers, as well as those of the bearing specialists and the rotating
> > > seal gurus)
> >
> > I don't think it'll be that bad. We have rotating seals on Earth (for
> > example in hydraulic machines) that hold a much greater pressure
> > differential than 1 ATM.
>
> yes - but these seals do not tend to be lossfree
>
> servus
>
> markus
>
> > Obviously it'd be nice to have some real-world experience doing this in
> > space... add this to the list of things NASA should have been doing for
> > the last 50 years. :)
> >
> > Best,
> > - Joe
>
> --
> markus baur SCA: markus von brixlegg
> schluesselgasse 3/5
>
> tel: +43 - (0)1 - 50 40 662
> a-1040 wien email: baur@...
> austria/europe icbm: 4811'39"N; 1622'06"E
>
> a portrait: http://www.abcgallery.com/A/arcimboldo/arcimboldo9.html
>
> "der Markus?? .... das ist der mit dem Buch..."
>

Selvaraj
On 26 June 2018 at 20:15, markus baur
baur@...
[spacesettlers]

spacesettlers@yahoogroups.com
>

Am 26.06.2018 um 15:27 schrieb Joe Strout
joe@...
[spacesettlers]:
> baur baur
baur@...
[spacesettlers] wrote:
>
> > this adds of course the joys of either having to dock on a rotating body
> > (so the station will have only two docking ports) or having to build a
> > really large dual spin structure (i can hear the howls of the structural
> > engineers, as well as those of the bearing specialists and the rotating
> > seal gurus)
>
> I don't think it'll be that bad. We have rotating seals on Earth (for
> example in hydraulic machines) that hold a much greater pressure
> differential than 1 ATM.
yes - but these seals do not tend to be lossfree
servus
markus
> Obviously it'd be nice to have some real-world experience doing this in
> space... add this to the list of things NASA should have been doing for
> the last 50 years. :)
>
> Best,
> - Joe
markus baur SCA: markus von brixlegg
schluesselgasse 3/5
tel: +43 - (0)1 - 50 40 662
a-1040 wien email:
baur@...
austria/europe icbm: 4811'39"N; 1622'06"E
a portrait:
http://www.abcgallery.com/A/
arcimboldo/arcimboldo9.html
"der Markus?? .... das ist der mit dem Buch..."