PT Radiator Air Scoop

[Henry Jay Hannigan]

Hey BOB:
Please keep me posted on what changes u make to the radiator
airflow... thanks
Hank
90SP36


--- In WanderlodgeForum@yahoogroups.com, "crissrace"
wrote:
>
> --- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
> wrote:
> >
> > I hope you guys do the ribbon thing, kinda why I didnt post my
> > result.
> >
> > I found that there is no airflow past the grill. the ribbon would
> > not lift horiz. mounted on aprox 6 inch a piece of plastic, the
> > ribbon would spin out and back to the rear. when the fan come on
> the
> > ribbon got sucked to the grill. I wanted to open the rear gate
and
> > see if that changed air flow. But remember;is you only need the
> > engine oil to be 230 to 250 and the water 180 to 195 to make the
> bus
> > run as engineered. running cooler than that is not cool.
> >
> > I do think that the hydrolic fan could do a better job of reusing
> > the radiator passed air to more evenly cool the outside of the
> > block. If you run the bus at 1500 rpm standing still ;fan on.
most
> > of the air goes out the first 3 feet of the rear door vent and
> > verry little ever gets pathed to the battery area and manifold
over
> > the passanger side engine block. I wonder if closing off most of
> the
> > leading part of the rear door vent would shroud the air to push
> heat
> > out of the engine compartment. I would think it would path air
thru
> > the rad for those who have electric fans above the batteies.
> >
> > shrouding engines for air cooling is an engineered calc. I think
> > that is where the gas workhorse pushers are having problems.
> > GregoryO'Connor
> > 94ptRomoladCa
> >
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, "Kurt Horvath"
> > wrote:
> > >
> > > Gregg......
> > >
> > > Do I need to add Air Louvers like on the Eagle, rotate the
grill
> > 45
> > > degrees, Do I have to tie ribbons on the grill and go for a
> > drive????
> > > Come on cough it up........
> > >
> > > Kurt Horvath
> > > 95 PT-42
> > > 10AC
> > >
> > > --- In WanderlodgeForum@yahoogroups.com, "Curt Sprenger"
> > > wrote:
> > > >
> > > > Hey Greg...I'll believe anything ..until I won't... Please
fill
> > us
> > > in.
> > > >
> > > > We are hanging...
> > > >
> > > > On Wed, Sep 10, 2008 at 3:26 PM, Scott Forman
> > > <scottforman75@>wrote:
> > > >
> > > > > You can't leave us hanging like that.
> > > > >
> > > > > Scott Forman
> > > > > 86 PT38
> > > > > Memphis
> > > > >
> > > > > --- In WanderlodgeForum@yahoogroups.com > > > 40yahoogroups.com>,
> > > > > "Gregory OConnor"
> > > > > wrote:
> > > > > >
> > > > > >
> > > > > > I tied ribbons in my grill last week and taped a piece of
> > erect
> > > > > flat
> > > > > > plastic pointed outward at drivers window and grill to
get
> a
> > > clue on
> > > > > > air flow. wont comment because you guys wont believe it.
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Curt Sprenger
> > > > 1987 PT38 8V92 "MacAttack Racing"
> > > > Anaheim Hills, CA
> > > >
> > >I have followed with great interest the ribbon test string??. I
> too have constructed scoops to direct air into and through the
> radiator in my '90 SP36. They stick out the sides 4 inches and are
> painted to match. Look pretty but were of little help. I did not
> use the ribbon test as I have a guage that measures inches of water
> in both directions. When I attached a long hose to it and placed
it
> in various positions in the rear and side grills I found NO
> measureable pressure. If anything the rear of the coach seems to
be
> a calm area with very little air movement/pressure. I have yet to
> do the measure thing since the scoops were added.
> Another thought worth considering is to install 12 volt cooling
fans
> on the side grills to suck air into and out through the radiator.
As
> you can tell I am trying to limit the amount the fan runs. I did
> install a 180 deg. diverter (thermostat) in my 3208 but have not
> taken it out with that change yet. Here's hoping!
> Bob Criss
> '90 SP36
> Bethel Park, PA
> >
>