Curt Sprenger Re: Engine Compartment Hot Air Exhaust Fan

[bumpersbird]

Thats why I also need to get exhaust, manifold,and turbo blankets and
get the doghouse insulation upgraded. Maybe even go all out and get
that stuff ceramic coated.

Kurt Horvath
95 PT-42
10AC

--- In WanderlodgeForum@yahoogroups.com, David Brady
wrote:
>
> Ahh, but the heat will still radiate (electromagnetic radiation),
the
> fan should sweep away the convection currents, but won't do
> much with the conduction or radiation. Remember, heat is all
> 3: radiation, conduction, and convection. You're handling the
> convection part of it.
>
> David Brady
> '02 LXi, NC
>
> Scott Forman wrote:
> >
> > Greg,
> >
> > I can't speak for the others, but for me the installation of the
fan
> > is about circulating air through the engine compartment after shut
> > down so that all the heat doesn't radiate into the bedroom. The
> > radiator fan moves so much air through there that these little
> > plastic fans will have little effect when underway IMO.
> >
> > Scott Forman
> > 86 PT38 (Bird of the week this week!)
> > Memphis
> >
> > --- In WanderlodgeForum@yahoogroups.com
> > , "Gregory OConnor"
> > wrote:
> > >
> > > Kurt,Curt, I dont think the fan is used to cool the engine
> > > components in the compartment it is used to move hot air out
befor
> > > the hot air loses heat to the compartment. The passive dynamics
of
> > > the air movement in the compartment must trap the heat
in??????. I
> > > thought of seeing what the result is if you closed off the side
> > > vent and lifted the door slightly????? It seems as there is some
> > > dynamic that traps the air????? I used PVC to house tail light
wire
> > > loom that passes the rear hatch door from taillight to tail
light
> > > and the pipe melted and saged 6 inches
> > >
> > > One fan should do the trick. if the air pressure in the
compartment
> > > is too great at 70 mph 5 fans wont help . I wonder if blowing
out
> > is
> > > the only way to do it since the rad fan opposit blows in???? The
> > > other problem I see with just hanging a fan is ; without
shrouding,
> > > the fan has some'200% less air direction. If you add a shroud it
> > > might exhaust air more effectivly.
> > >
> > > GregoryO'Connor
> > > 94ptRomolandCa
> > > --- In WanderlodgeForum@yahoogroups.com
> > , "Curt Sprenger"
> > > wrote:
> > > >
> > > > Kurt,
> > > >
> > > > I used one fan. Dick Hayden installed two fans and that
picture
> > is
> > > his two
> > > > fan install.
> > > >
> > > > No need to double up the wiring for two fans if they are to
work
> > > at the same
> > > > time. For individual fan control add an on/off switch for one
or
> > > both fans.
> > > >
> > > > Thermostats are normally open.
> > > >
> > > >
> > > >
> > > > On Sat, Jun 28, 2008 at 7:28 AM, bumpersbird
> > > wrote:
> > > >
> > > > > Curt,
> > > > >
> > > > > I was reading your file on (Engine Compartment Hot Air
Exhaust
> > > Fan
> > > > > System).
> > > > >
> > > > > Did you set up one or two fans?
> > > > >
> > > > > In the text it describes a one fan set up but there are two
> > fans
> > > in
> > > > > the pics.
> > > > >
> > > > > Would you clarify that for me?
> > > > >
> > > > > I really like the ability to change fan direction to pull or
> > > push air
> > > > > through the compartment. I didn't think of that. Brilliant!
> > > > >
> > > > > The fans I bought are capable of rotating in either
direction
> > so
> > > I
> > > > > would like to set them up that way.
> > > > >
> > > > > I'm guessing that the diagram of the relays, breakers, and
> > > switchs,
> > > > > should be installed twice to get full capability out of a
two
> > fan
> > > > > system.
> > > > >
> > > > > I've got the fans built and mounted on the swing out grill
right
> > > > > rear, so all I need to do is set up the electrical end of
the
> > > system.
> > > > > The picts are still on the home page under new photos. Pic #
> > > 62208-4
> > > > > bumpersbird album.
> > > > >
> > > > > I have most of the parts to set it up including realy neat
> > > adjustable
> > > > > temp snap thermostats. I'm assuming that the the
thermostats are
> > > > > normally open?
> > > > >
> > > > > Any help or ideas on your experiance would be great. Thanks
in
> > > > > advance.
> > > > >
> > > > > The rest of you shade tree engineers are welcomed to throw
in
> > > your
> > > > > ideas to :}
> > > > >
> > > > > Kurt Horvath
> > > > > 95 PT-42 WLWB
> > > > > 10AC
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Curt Sprenger
> > > > 1987 PT38 8V92 "MacAttack Racing"
> > > > Anaheim Hills, CA
> > > >
> > >
> >
> >
> > ------------------------------------------------------------------
------
> >
> > No virus found in this incoming message.
> > Checked by AVG.
> > Version: 7.5.526 / Virus Database: 270.4.1/1522 - Release Date:
6/27/2008 8:27 AM
> >
>