> >
> > > What info is out there on inverted flight.  It looks like the

Christen

> > > or Raven inverted oil system will work.  But has someone done the
> > > homework for plumbing?
> > >
> > > What about the water cooling system?  Has someone solved that issue
too?
> > >
> > > Chris
> > >
> > >
> > > Yes there needs to be some expermenting done on sustained inverted
> flight
> > > as far as the oil drain back system is concerned.
> > >
> > > Don't know what you mean about water cooling. Usually it is
pressurized
> > > so there should be no problem.
> > >
> > > Paul Lamar
> >
> > If I set up my cooling system with a header tank and an overflow tank
> above
> > it in normal flight, then when I go negative G, or inverted, the

coolant

> > will flow into the overflow tank and then overboard.  My first thought
is
> > that all I need is a  check valve between the header tank and overflow
> tank
> > and another for the overflow tank vent.
> >
> > Chris
> >
> > Certainly fluid will flow out of the over flow bottle but not out of
> > the main cooling system into the over flow bottle because of the
pressure
> > cap. Stock cap is about 16 psi and 30 psi is recommended. A U shaped
over
> flow
> > tube from the top volume of the over flow bottle will minimise
> > the coolant loss from the over flow bottle.
> >
> > Paul Lamar
>
> The P51 was placarded against exceeding 15 sec inverted - primarily oil
> frequently our hot jocks  in Japan would expell a huge stream of white
> smoke, but
> no damage  after a full flight line inverted Buzz job (Kisarazu 1947)
> Vance
>
> Are you out of the hospital Vance? Can you make it over to SZP
> tommorrow. We are working on Alex's airplane trying to make it cool.
>
> Paul Lamar


Yes I am out of the hospital but still on a short string - The day after I
got out I had to put
Emily into the Pleasant Valley hospital with pneumonia. I did get over to
the Camarillo
airport to watch Rich's plane being loaded on its way to El Salvador See

pix

That really is me in the blue shirt
Vance

Hope everybody gets well soon.


BTW how is your mill working?
I may need some stuff milled.

Paul Lamar

I have not pushed the button in over 2 months but it should be ready and
available
Vance

OK Vance. Thanks. I'll let you know.

Paul Lamar