A different kind of SBSP

Forum: Spacesettlers
Thread: A different kind of SBSP

# 13138 byhitssquad@... on July 15, 2013, 4:31 p.m.
Member since 2021-10-03

--- In spacesettlers@yahoogroups.com, "brooksn" wrote:
> --- In spacesettlers@yahoogroups.com, "hitssquad" wrote:
> > --- In spacesettlers@yahoogroups.com, "brooksn" wrote:
> > > > > > The wind would still blow the sails sunward at the 6AM side of the planet, and cosmosward at the 6PM side of the planet.
> > > > > Why would the wing blow it sunward and cosmosward at those times?
> > > > ...Because the earth spins
> > > you were describing a non orbiting satellite stationary to the Sun-Earth system
> > Yes. That's why the average speed of the wind hitting the sail-mirror is 538 m/s at an altitude of 1,000 km above the equator. The sail-mirror is stationary, but the earth is spinning.
> I don't think there is enough force from the limited air molecules to provide enough lift to counter the gravity of the Earth.

It's a solar sail. The force-stream it rides to stay in position comes from the sun. The 538 m/s average-speed wind blowing on it is unhelpful.