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Hi Darrell,
IMHO, I would recommend against your planned course of action.
1. All coolers on air compressors are placed between the pump and the
tank where the air is the hottest and the heat transfer will be the
greatest.. In your design, most of the heat will be absorbed by the tank
before it gets to the radiator. It will not be an efficient heat transfe=
r
located after the tank.
2. I also believe that putting it on the tank outlet will restrict your
flow as that is where you need the maximum flow. You can take advantage =
of
the "surge capacity" of the tank which is only limited by the size of th=
e
piping from the outlet of the tank to the air device you are using. Plac=
ing
a cooler between the tank and the air device could limit the flow of the
tank to the device.
3. If you put it between the pump and the tank, the cooler only needs to
flow at the capacity of the pump (e.g., 10CFM). You potentially could ge=
t
100X that flow out of the stored capacity of the tank if the piping is
large enough. You do not want any restriction between the tank and your =
air
devices
4. Whatever you choose to do for a heat exchanger, I sincerely believe
that it will not be effective, and it probably will diminish the overall
performance of your system, if you do not put it between the pump and th=
e
tank.
IMHO
doug
On Wed, Aug 12, 2020 at 8:53 AM Darrell Walker <darrellw360@mac.com> wrote:
>
> The transmission cooler I=E2=80=99m looking to use is a "stacked plate=E2=
=80=9D design,
> and has a pressure rating of 200 PSI. It says it has a 29,200 BTU rating=
:
>
> https://www.summitracing.com/parts/BMM-70274
>
> I do plan to put a small box fan to blow through it as well.
>
> Here are some pictures, but these all seem to be between the compressor
> and tank, mine will be mounted on the wall after the tank.
>
>
> https://www.cnccookbook.com/aftercooling-a-compressor-to-cut-down-on-mois=
ture/
>
>
> -Darrell
>
>
> On Aug 12, 2020, at 8:35 AM, Jeff Scarbrough <fishplate@gmail.com> wrote:
>
> Good point. I hadn't thought of air flow rate. Hook several in parallel=
?
>
> On Wed, Aug 12, 2020 at 11:26 AM DAVID MASSEY <dave1massey@cs.com> wrote:
>
>> That's a clever idea. It is an excellent heat exchanger and is good for
>> the pressure. But it could restrict air flow. Most are just a long,
>> serpentine tube with fins. It all depends on what air tools you are
>> using. It is possible that you couldn't run a sand blast cabinet throug=
h
>> it. But you could hook up the high volume users to bypass the cooler an=
d
>> save the dry air for the tools that need it.
>>
>> Dave
>>
>>
>>
>> -----Original Message-----
>> From: Jeff Scarbrough <fishplate@gmail.com>
>> To: shop-talk@autox.team.net <Shop-talk@autox.team.net>
>> Sent: Wed, Aug 12, 2020 10:12 am
>> Subject: Re: [Shop-talk] Looking to buy a compressor
>>
>>
>>
>> On Wed, Aug 12, 2020 at 11:08 AM Pat Horne <patintexas@icloud.com> wrote=
:
>>
>>
>> I=E2=80=99d be concerned with using a transmission cooler for an aIr coo=
ler
>> because they are not designed for pressure use. I wouldn=E2=80=99t think=
a trans
>> cooler would need to be rated at more than 10psi.
>>
>>
>> An air conditioner condenser would probably be better. It even has
>> "condenser" in the name....
>> _______________________________________________
>>
>> Shop-talk@autox.team.net
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation $12.96
>> Archive: http://www.team.net/pipermail/shop-talk
>> http://autox.team.net/archive
>>
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/shop-talk/dave1massey@cs.com
>>
>> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk
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>
> Unsubscribe/Manage:
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>
>
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk
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>
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>
>
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<div dir=3D"ltr">Hi Darrell,<div><br></div><div>IMHO, I would recommend aga=
inst your planned course of action.=C2=A0</div><div><ol><li>All coolers on =
air compressors are placed between the pump and the tank where the=C2=A0air=
is the hottest and the heat transfer will be the greatest.. In your design=
, most of the heat will be absorbed by the tank before it gets to the radia=
tor. It will not be an efficient=C2=A0heat transfer located=C2=A0after the =
tank.</li><li>I also believe that putting it on the tank outlet will restri=
ct your flow as that is where you need the maximum flow. You can take advan=
tage of the "surge capacity" of the tank which is only limited by=
the size of the piping from the outlet of the tank to the air device you a=
re using. Placing a cooler between the tank and the air device could limit =
the flow of the tank to the device.</li><li>If you put it between the pump =
and the tank, the cooler only needs to flow at the capacity of the pump (e.=
g., 10CFM). You potentially could get 100X that flow out of the stored capa=
city of the tank if the piping is large enough. You do not=C2=A0want any re=
striction between the tank and your air devices</li><li>Whatever you choose=
to do for a heat exchanger, I sincerely believe that it will not be effect=
ive, and it probably will diminish the overall performance of your system, =
if you do not put it between the pump and the tank.</li></ol><div>IMHO</div=
></div><div><br></div><div>doug</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Wed, Aug 12, 2020 at 8:53 AM Darrel=
l Walker <<a href=3D"mailto:darrellw360@mac.com";>darrellw360@mac.com</a>=
> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div=
style=3D"overflow-wrap: break-word;"><div><br></div>The transmission coole=
r I=E2=80=99m looking to use is a "stacked plate=E2=80=9D design, and =
has a pressure rating of 200 PSI.=C2=A0 It says it has a=C2=A029,200 BTU ra=
ting:<div><br></div><div><a href=3D"https://www.summitracing.com/parts/BMM-=
70274" target=3D"_blank">https://www.summitracing.com/parts/BMM-70274</a><b=
r><div><br></div><div>I do plan to put a small box fan to blow through it a=
s well.</div><div><br></div><div>Here are some pictures, but these all seem=
to be between the compressor and tank, mine will be mounted on the wall af=
ter the tank.</div><div><br></div><div><a href=3D"https://www.cnccookbook.c=
om/aftercooling-a-compressor-to-cut-down-on-moisture/" target=3D"_blank">ht=
tps://www.cnccookbook.com/aftercooling-a-compressor-to-cut-down-on-moisture=
/</a></div><div><br></div><div><br></div><div>-Darrell</div><div><br><div><=
br><blockquote type=3D"cite"><div>On Aug 12, 2020, at 8:35 AM, Jeff Scarbro=
ugh <<a href=3D"mailto:fishplate@gmail.com"; target=3D"_blank">fishplate@=
gmail.com</a>> wrote:</div><br><div><div dir=3D"ltr">Good point.=C2=A0 I=
hadn't thought of air flow rate.=C2=A0 Hook several in parallel?</div>=
<br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed=
, Aug 12, 2020 at 11:26 AM DAVID MASSEY <<a href=3D"mailto:dave1massey@c=
s.com" target=3D"_blank">dave1massey@cs.com</a>> wrote:<br></div><blockq=
uote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1p=
x solid rgb(204,204,204);padding-left:1ex">
<div style=3D"font-style:normal;font-variant-caps:normal;font-weight:normal=
;font-stretch:normal;font-size:12pt;line-height:normal;font-family:Arial,He=
lvetica,sans-serif">
<div> <font size=3D"3">That's a clever idea.=C2=A0 It is an excellent h=
eat exchanger and is good for the pressure.=C2=A0 But it could restrict air=
flow.=C2=A0 Most are just a long, serpentine tube with fins.=C2=A0 It all =
depends on what air tools you are using.=C2=A0 It is possible that you coul=
dn't run a sand blast cabinet through it.=C2=A0 But you could hook up t=
he high volume users to bypass the cooler and save the dry air for the tool=
s that need it.</font><br>
</div>
<div> <br>
</div>
<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div style=3D"font-family:arial,helvetica;font-size:10pt">-----Original Mes=
sage-----<br>
From: Jeff Scarbrough <<a href=3D"mailto:fishplate@gmail.com"; target=3D"=
_blank">fishplate@gmail.com</a>><br>
To: <a href=3D"mailto:shop-talk@autox.team.net"; target=3D"_blank">shop-talk=
@autox.team.net</a> <<a href=3D"mailto:Shop-talk@autox.team.net"; target=
=3D"_blank">Shop-talk@autox.team.net</a>><br>
Sent: Wed, Aug 12, 2020 10:12 am<br>
Subject: Re: [Shop-talk] Looking to buy a compressor<br>
<br>
<div id=3D"gmail-m_8351221383748646696gmail-m_-348531485481750326yiv2873458=
153">
<div>
<div dir=3D"ltr">
<div dir=3D"ltr"><br clear=3D"none"></div>
<br clear=3D"none">
<div>
<div id=3D"gmail-m_8351221383748646696gmail-m_-348531485481750326yiv2873458=
153yqtfd96112">
<div dir=3D"ltr">On Wed, Aug 12, 2020 at 11:08 AM Pat Horne <<a rel=3D"n=
ofollow" shape=3D"rect" href=3D"mailto:patintexas@icloud.com"; target=3D"_bl=
ank">patintexas@icloud.com</a>> wrote:<br clear=3D"none"></div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex"><br clear=3D"none">
I=E2=80=99d be concerned with using a transmission cooler for an aIr cooler=
because they are not designed for pressure use. I wouldn=E2=80=99t think a=
trans cooler would need to be rated at more than 10psi. </blockquote></div=
>
<div><br clear=3D"none"></div>
<div>An air conditioner condenser would probably be better.=C2=A0 It even h=
as "condenser" in the name....=C2=A0</div>
</div>
</div>
</div>
</div>
<div id=3D"gmail-m_8351221383748646696gmail-m_-348531485481750326yqtfd59824=
">_______________________________________________<br clear=3D"none"><br cle=
ar=3D"none"><a shape=3D"rect" href=3D"mailto:Shop-talk@autox.team.net"; targ=
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</blockquote></div>
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