Re: [Shop-talk] Looking to buy a compressor

[Darrell Walker <darrellw360@mac.com>]

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HI Arvid,

I agree that between the compressor and tank is better, I=E2=80=99m just =
not willing to start re-plumbing a new compressor (though it does look =
pretty straight forward to do).  But if it isn=E2=80=99t effective where =
I=E2=80=99m putting it, I will certainly consider it.

-Darrell

> On Aug 12, 2020, at 9:16 AM, Arvid <arvidj999@gmail.com> wrote:
>=20
> I would highly recommend it be between the compressor and the tank.
>=20
> My, possibly faulty, logic.
>=20
> The air coming from the compressor is really hot. This would enhance =
the differential temperature between the radiator and the cooling air =
would be at it's largest point. It would seem to make the radiator work =
as efficiently as possible. In my case, 175 psi two stage, the input is =
over 200f and the output seems to be close to 100f. The fan is blowing =
70f room air over a 200f+ radiator.
>=20
> The air would now be cooler as it enters the tank and hopefully most =
of the condensation that is going to take place would be in the tank. =
Great for one-place-to-drain.
>=20
> No matter what the air will also cool while it is in the tank. This is =
a good thing for condensation but it also means that, if the radiator =
comes after the tank, the radiator will see considerably lower incoming =
air temperatures. On my compressor the air coming out of the tank is =
often room temperature and is seldom more than 10 degrees above room =
temperature. Therefore a radiator after the tank would not have a huge =
differential to work with. At best it would be blowing 70f air over a =
90f radiator. Plus there is now need to have a local drain for the =
condensation it might produce.
>=20
> My thought is between the compressor and the tank, a condensate =
filter\water separator and additional filters after the tank and then =
drains below coupling on the drops.
>=20
> Just my thought,
>=20
> Arvid
>=20
> On 8/12/20 10:53 AM, Darrell Walker wrote:
>>=20
>> 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:
>>=20
>> https://www.summitracing.com/parts/BMM-70274 =
<https://www.summitracing.com/parts/BMM-70274>
>>=20
>> I do plan to put a small box fan to blow through it as well.
>>=20
>> 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.
>>=20
>> =
https://www.cnccookbook.com/aftercooling-a-compressor-to-cut-down-on-moist=
ure/ =
<https://www.cnccookbook.com/aftercooling-a-compressor-to-cut-down-on-mois=
ture/>
>>=20
>>=20
>> -Darrell
>>=20
>>=20
>>> On Aug 12, 2020, at 8:35 AM, Jeff Scarbrough <fishplate@gmail.com> =
>>>=20
>>> Good point.  I hadn't thought of air flow rate.  Hook several in =
parallel?
>>>=20
>>> On Wed, Aug 12, 2020 at 11:26 AM DAVID MASSEY <dave1massey@cs.com =
>>> 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 =
through it.  But you could hook up the high volume users to bypass the =
cooler and save the dry air for the tools that need it.
>>>=20
>>> Dave=20
>>>=20
>>>=20
>>>=20
>>> -----Original Message-----
>>> From: Jeff Scarbrough <fishplate@gmail.com =
>>> Sent: Wed, Aug 12, 2020 10:12 am
>>> Subject: Re: [Shop-talk] Looking to buy a compressor
>>>=20
>>>=20
>>>=20
>>> On Wed, Aug 12, 2020 at 11:08 AM Pat Horne <patintexas@icloud.com =
>>>=20
>>> 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.
>>>=20
>>> An air conditioner condenser would probably be better.  It even has =
"condenser" in the name....=20
>>> _______________________________________________
>>>=20
>>> Donate: http://www.team.net/donate.html =
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>>> Suggested annual donation  $12.96
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>>>=20
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>>>=20
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>>> Suggested annual donation  $12.96
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>>>=20
>>=20
>>=20
>>=20
>> _______________________________________________
>>=20
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>>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><div =
class=3D""><br class=3D""></div>HI Arvid,<div class=3D""><br =
class=3D""></div><div class=3D"">I agree that between the compressor and =
tank is better, I=E2=80=99m just not willing to start re-plumbing a new =
compressor (though it does look pretty straight forward to do). =
&nbsp;But if it isn=E2=80=99t effective where I=E2=80=99m putting it, I =
will certainly consider it.</div><div class=3D""><br class=3D""></div><div=
 class=3D"">-Darrell<br class=3D""><div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Aug 12, 2020, at 9:16 AM, =
Arvid &lt;<a href=3D"mailto:arvidj999@gmail.com"; =
class=3D"">arvidj999@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D"">
 =20
    <meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3DUTF-8" class=3D"">
 =20
  <div class=3D""><p class=3D"">I would highly recommend it be between =
the compressor and the
      tank.</p><p class=3D"">My, possibly faulty, logic.</p><p =
class=3D"">The air coming from the compressor is really hot. This would
      enhance the differential temperature between the radiator and the
      cooling air would be at it's largest point. It would seem to make
      the radiator work as efficiently as possible. In my case, 175 psi
      two stage, the input is over 200f and the output seems to be close
      to 100f. The fan is blowing 70f room air over a 200f+ radiator.<br =
class=3D"">
    </p><p class=3D"">The air would now be cooler as it enters the tank =
and hopefully
      most of the condensation that is going to take place would be in
      the tank. Great for one-place-to-drain.</p><p class=3D"">No matter =
what the air will also cool while it is in the tank.
      This is a good thing for condensation but it also means that, if
      the radiator comes after the tank, the radiator will see
      considerably lower incoming air temperatures. On my compressor the
      air coming out of the tank is often room temperature and is seldom
      more than 10 degrees above room temperature. Therefore a radiator
      after the tank would not have a huge differential to work with. At
      best it would be blowing 70f air over a 90f radiator. Plus there
      is now need to have a local drain for the condensation it might
      produce.</p><p class=3D"">My thought is between the compressor and =
the tank, a condensate
      filter\water separator and additional filters after the tank and
      then drains below coupling on the drops.</p><p class=3D"">Just my =
thought,</p><p class=3D"">Arvid<br class=3D"">
    </p>
    <div class=3D"moz-cite-prefix">On 8/12/20 10:53 AM, Darrell Walker
      wrote:<br class=3D"">
    </div>
    <blockquote type=3D"cite" =
cite=3D"mid:EEFEB8E3-4D9E-44C9-B68A-F8078F6E1907@mac.com" class=3D"">
      <meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3DUTF-8" class=3D"">
      <div class=3D""><br class=3D"">
      </div>
      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. &nbsp;It says it has
      a&nbsp;29,200 BTU rating:
      <div class=3D""><br class=3D"">
      </div>
      <div class=3D""><a =
href=3D"https://www.summitracing.com/parts/BMM-70274"; class=3D"" =
moz-do-not-send=3D"true">https://www.summitracing.com/parts/BMM-70274</a><=
br class=3D"">
        <div class=3D""><br class=3D"">
        </div>
        <div class=3D"">I do plan to put a small box fan to blow through
          it as well.</div>
        <div class=3D""><br class=3D"">
        </div>
        <div class=3D"">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.</div>
        <div class=3D""><br class=3D"">
        </div>
        <div class=3D""><a =
href=3D"https://www.cnccookbook.com/aftercooling-a-compressor-to-cut-down-=
on-moisture/" class=3D"" =
moz-do-not-send=3D"true">https://www.cnccookbook.com/aftercooling-a-compre=
ssor-to-cut-down-on-moisture/</a></div>
        <div class=3D""><br class=3D"">
        </div>
        <div class=3D""><br class=3D"">
        </div>
        <div class=3D"">-Darrell</div>
        <div class=3D""><br class=3D"">
          <div class=3D""><br class=3D"">
            <blockquote type=3D"cite" class=3D"">
              <div class=3D"">On Aug 12, 2020, at 8:35 AM, Jeff =
Scarbrough
                <a class=3D"moz-txt-link-rfc2396E" =
href=3D"mailto:fishplate@gmail.com";>&lt;fishplate@gmail.com&gt;</a> =
wrote:</div>
              <br class=3D"Apple-interchange-newline">
              <div class=3D"">
                <div dir=3D"ltr" class=3D"">Good point.&nbsp; I hadn't =
thought of
                  air flow rate.&nbsp; Hook several in parallel?</div>
                <br class=3D"">
                <div class=3D"gmail_quote">
                  <div dir=3D"ltr" class=3D"gmail_attr">On Wed, Aug 12, =
2020
                    at 11:26 AM DAVID MASSEY &lt;<a =
href=3D"mailto:dave1massey@cs.com"; class=3D"" =
moz-do-not-send=3D"true">dave1massey@cs.com</a>&gt;
                    wrote:<br class=3D"">
                  </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"font-style: normal; font-variant-caps:
                      normal; font-weight: normal; font-stretch: normal;
                      font-size: 12pt; line-height: normal; font-family:
                      Arial, Helvetica, sans-serif;" class=3D"">
                      <div class=3D""> <font class=3D"" size=3D"3">That's =
a
                          clever idea.&nbsp; It is an excellent heat
                          exchanger and is good for the pressure.&nbsp; =
But
                          it could restrict air flow.&nbsp; Most are =
just a
                          long, serpentine tube with fins.&nbsp; It all
                          depends on what air tools you are using.&nbsp; =
It
                          is possible that you couldn't run a sand blast
                          cabinet through it.&nbsp; But you could hook =
up the
                          high volume users to bypass the cooler and
                          save the dry air for the tools that need =
it.</font><br class=3D"">
                      </div>
                      <div class=3D""> <br class=3D"">
                      </div>
                      <div style=3D"clear:both" class=3D""><font =
class=3D"" size=3D"4">Dave </font><br class=3D"">
                        <br class=3D"">
                      </div>
                      <div class=3D""> <br class=3D"">
                      </div>
                      <div class=3D""> <br class=3D"">
                      </div>
                      <div style=3D"font-family: arial, helvetica;
                        font-size: 10pt;" class=3D"">-----Original
                        Message-----<br class=3D"">
                        From: Jeff Scarbrough &lt;<a =
href=3D"mailto:fishplate@gmail.com"; target=3D"_blank" class=3D"" =
moz-do-not-send=3D"true">fishplate@gmail.com</a>&gt;<br class=3D"">
                        To: <a href=3D"mailto:shop-talk@autox.team.net"; =
target=3D"_blank" class=3D"" =
moz-do-not-send=3D"true">shop-talk@autox.team.net</a>
                        &lt;<a href=3D"mailto:Shop-talk@autox.team.net"; =
target=3D"_blank" class=3D"" =
moz-do-not-send=3D"true">Shop-talk@autox.team.net</a>&gt;<br class=3D"">
                        Sent: Wed, Aug 12, 2020 10:12 am<br class=3D"">
                        Subject: Re: [Shop-talk] Looking to buy a
                        compressor<br class=3D"">
                        <br class=3D"">
                        <div =
id=3D"gmail-m_-348531485481750326yiv2873458153" class=3D"">
                          <div class=3D"">
                            <div dir=3D"ltr" class=3D"">
                              <div dir=3D"ltr" class=3D""><br class=3D"" =
clear=3D"none">
                              </div>
                              <br class=3D"" clear=3D"none">
                              <div class=3D"">
                                <div =
id=3D"gmail-m_-348531485481750326yiv2873458153yqtfd96112" class=3D"">
                                  <div dir=3D"ltr" class=3D"">On Wed, =
Aug
                                    12, 2020 at 11:08 AM Pat Horne =
&lt;<a rel=3D"nofollow" shape=3D"rect" =
href=3D"mailto:patintexas@icloud.com"; target=3D"_blank" class=3D"" =
moz-do-not-send=3D"true">patintexas@icloud.com</a>&gt;
                                    wrote:<br class=3D"" clear=3D"none">
                                  </div>
                                  <blockquote style=3D"margin:0px 0px =
0px
                                    0.8ex;border-left:1px solid
                                    rgb(204,204,204);padding-left:1ex" =
class=3D""><br class=3D"" 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 class=3D""><br class=3D"" =
clear=3D"none">
                                </div>
                                <div class=3D"">An air conditioner
                                  condenser would probably be =
better.&nbsp;
                                  It even has "condenser" in the
                                  name....&nbsp;</div>
                              </div>
                            </div>
                          </div>
                        </div>
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      <pre class=3D"moz-quote-pre" =
wrap=3D"">_______________________________________________

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