On Jan 30, 5:32*am, Jeff Findley wrote:
In article 88cd94a3-ee17-467b-8ac2-b2b489452627
@u1g2000yql.googlegroups.com, says...



On Jan 29, 4:55*pm, Brad Guth wrote:

Body heat of 450 watts plus full sunlight always on half of the craft
in addition to the secondary influx of moon IR as well as the
unavoidable planetshine IR, is simply not going to provide any
freezing cold cabin environment unless their HVAC system was blasting
away with cold air.

You're quite wrong. *"Space is cold", especially when you're beyond LEO
and don't have the heat of the earth aimed at half your ship.

the side of the vehicle in darness radiates the body heat fast. the
LMs walls were paper thin and not well insulated due to weight
constraints

Thermal design of the LEM is far more complicated than your gross
oversimplification.

Jeff
--
"the perennial claim that hypersonic airbreathing propulsion would
magically make space launch cheaper is nonsense -- LOX is much cheaper
than advanced airbreathing engines, and so are the tanks to put it in
and the extra thrust to carry it." - Henry Spencer

At 1 AU the solar influx is the same, and the matter of getting rid of
surplus heat from any spacecraft that's not specifically configured
for such, is downright difficult. It's worse when there's 1220 w/m2
coming off the illuminated surface of our physically dark moon, in
addition to the planetshine influx contributing a bit more IR. All
three influx sources of energy added to the internal 450+ watts of
heat from three humans is going to make their cabin interior anything
but cold.