Curt Sprenger Re: Engine Compartment Hot Air Exhaust Fan

[bumpersbird]

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

[Scott Forman]

I'm not the guy you asked for, but I did install a fan on my Bird.
Your set-up and Curts are both far more elaborate than mine...I just
bought a cheap fan at AutoZone, attached it to the grill with zip
ties, and wired it up. Low-tech to say the least, but is has served
me well for a year now.

As for my wiring, this is my recollection of how I did it:

1) Removed existing thermostat from compartment ceiling. Discinnect
original wires. You can test th thermostat by connecting a multi
meter to the leads and heating it with a lighter. It current starts
flowing when you heat it up, it works.
2) Run new wires above metal heat shield hanging from ceiling over to
thermostat and connect.
3) Install relay (Radio Shack) in charger comparment...on my coach,
it is right next to the grill. Ran wires through same holes battery
cables go through. Found suitable 12v source in charger compartment.
4) Run wires to fan. Enclose all wires in plastic conduit.

Works like a charm. I installed male-female connectors in-line on
the wires going to the fan, so if I want to change direction, I
simply unhook those and reverse the connection. I find it seems to
work best blowing in rather than sucking out.

The whole project took about 1.5 hours and may have cost me 70
bucks. Certainly not going to be mistaken for a "factory"
installation like y'alls could, but functional nonetheless.

Scott Forman
86 PT38
Memphis

--- In WanderlodgeForum@yahoogroups.com, "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]

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 <"bumpersbird@yahoo.com"> 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

[Gregory OConnor]

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
>

[Scott Forman]

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
> >
>

[bumpersbird]

Guys,

I agree, but I'm hoping they will help to keep the bedroom cooler
while underway. It's a problem in my coach during the the summer
months. Even with the A/C runnung full blast thr rear room gets
hot/too warm.

But I do aspire to Gregg's way of thinking, do whatever takes, if
this doesn't work maybe 4 fans will.

Kurt Horvath
95 PT-42
10AC





--- In WanderlodgeForum@yahoogroups.com, "Scott Forman"
<scottforman75@...> 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
> > >
> >
>

[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
> >
>

[Scott Forman]

I put some of that cheap insulation you can buy from JC Whitney under
the matresses (I have twin beds) with the aluminum side down.
Simple, cheap idea that did seem to help a little bit.

Scott

--- In WanderlodgeForum@yahoogroups.com, "bumpersbird"
wrote:
>
> Guys,
>
> I agree, but I'm hoping they will help to keep the bedroom cooler
> while underway. It's a problem in my coach during the the summer
> months. Even with the A/C runnung full blast thr rear room gets
> hot/too warm.
>
> But I do aspire to Gregg's way of thinking, do whatever takes, if
> this doesn't work maybe 4 fans will.
>
> Kurt Horvath
> 95 PT-42
> 10AC
>
>
>
>
>
> --- In WanderlodgeForum@yahoogroups.com, "Scott Forman"
> <scottforman75@> 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
> > > >
> > >
> >
>

[Pete Masterson]

Makes me wonder what's different in my coach. The closet gets _really_ warm, but the bedroom stays fairly livable while going over the road. I have the 'side island' bed. Is yours a rear-bed model?

The hot rear closet isn't that big a deal to me as we don't open it that often. I'm sure the bedroom picks up a little heat from it, but the AC seems to take pretty good care of that.

Note that I replaced my front and rear ACs about 2 years ago.

So, instead of a heat problem, perhaps you have an AC problem?

I'm not sure how easy it would be to install more insulation between the engine compartment and the closet from the engine side. It's pretty tight and the walls are crowded with wires and grounding strips on the curb side.

The closet could get more insulation, but it would cut the space for the stuff in the closet.

Pete Masterson

'95 Blue Bird Wanderlodge WBDA 42

El Sobrante CA

"aeonix1@mac.com"

On Jun 28, 2008, at 2:40 PM, Scott Forman wrote:

I put some of that cheap insulation you can buy from JC Whitney under 

the matresses (I have twin beds) with the aluminum side down.  

Simple, cheap idea that did seem to help a little bit.

Scott

--- In "WanderlodgeForum@yahoogroups.com", "bumpersbird" 

wrote:

Guys,

I agree, but I'm hoping they will help to keep the bedroom cooler 

while underway. It's a problem in my coach during the the summer 

months. Even with the A/C runnung full blast thr rear room gets 

hot/too warm.

But I do aspire to Gregg's way of thinking, do whatever takes, if 

this doesn't work maybe 4 fans will.

Kurt Horvath

95 PT-42

10AC

[David Brady]

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%40yahoogroups.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%40yahoogroups.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