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For a while, one of the chemical companies was advocating plastic radiators.=
They even had some on display at an SAE conference. Apparently they tested=
well. Their argument was that the important factor was the net water to ai=
r heat transfer, and that the limiting things were the water to radiator mat=
erial and then the radiator material to air, not the radiator material itsel=
f, as I recall. They said they could mold a radiator into unusual shapes tha=
t would enable better vehicle aerodynamics with more design freedom in the f=
ront end=E2=80=A6.
Never went anywhere to my knowledge.
Phil Gott
Sent from my iPhone
> On Jan 4, 2022, at 6:46 PM, rek46 via Fot <fot@autox.team.net> wrote:
>=20
> =EF=BB=BF
> There is no solder in the fin to tube transfer.....the tubes are a Brazed a=
lum. that is 7 to 12 percent outer layer of Silicon...depending on whether i=
t is for one side or 2....these ingots are mated together (1 or 2 side ) wit=
h the original 3000 series base ingot ...So you have a base ingot (about 20"=
) and one or 2 outer ingots(about 2' to 3' per side as spec req.required) st=
acked up to get your one or 2 side outer layers... Then they are hot rolled=
on a reversing mill to several passes to get thin er gauges...which next go=
es to some 4 stnd cold rolling mills. to get down to about .80 ...this is no=
w ready to ship to finishig mill....which then will take about 8 passes to g=
et down to about .006 to .004"....during this process ,you may need to inter=
-anneal at certain passes,to end up with H-19 to H -0 TEMPERS for forming ,=
etc. dependent on customers finish processes, and customer requierments (ma=
ny)....This is non technical info as req. by secrecy agreements....BTW...Fin=
stock is run seperate ly ,and produced to .003" ish to . 0045" ish,plus s=
pecials for other reqs........rick
> =20
> =20
> =20
> =20
>=20
> In a message dated 1/4/2022 5:24:23 PM Eastern Standard Time, fot@autox.te=
am.net writes:
> =20
> =20
> This is informative=E2=80=A6.
> =20
> =20
> What material makes the better Radiator: Aluminum or Copper?
>=20
> https://www.motormouthradio.com/blog/118-what-material-makes-the-better-ra=
diator-aluminum-or-copper
> =20
> =20
> An Aluminum or Copper Radiator for Your Car - Car Craft Magazine
>=20
> https://www.motortrend.com/how-to/ccrp-0211-aluminum-or-copper-radiator-fo=
r-your-car/
>=20
> On Jan 4, 2022, at 12:56 PM, TeriAnn J. Wakeman via Fot <fot@autox.team.ne=
t> wrote:
>=20
> On 1/4/22 11:50 AM, dustin nicholson via Fot wrote:
> I read an interesting article once that said while brass/copper out perfor=
ms aluminum, an aluminum radiator will dissipate heat better than brass radi=
ators because of all the leads solder in the seams of the brass. Lead holds t=
he heat and therefore offsets the advantage of the brass. Seems like reasona=
ble logic but I can=E2=80=99t substantiate it.
>=20
>=20
> Why aluminum radiators are better than bass:
>=20
> Thermal conductivity Btu/(hr.ft degrees F)
>=20
> brass (stock radiators) - 83 degrees
> Aluminum (radiators) - 126
> copper - 218
>=20
> cast iron - 27.7
>=20
> TeriAnn
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/4msonset@gma=
il.com
>=20
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rek46@aol.co=
m
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/vfracing@aol=
.com
>=20
>=20
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Content-Transfer-Encoding: quoted-printable
<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">For a while, one of the chemical companies w=
as advocating plastic radiators. They even had some on display at an SAE con=
ference. Apparently they tested well. Their argument was that th=
e important factor was the net water to air heat transfer, and that the limi=
ting things were the water to radiator material and then the radiator materi=
al to air, not the radiator material itself, as I recall. They said they cou=
ld mold a radiator into unusual shapes that would enable better vehicle aero=
dynamics with more design freedom in the front end=E2=80=A6.<div>Never went a=
nywhere to my knowledge.</div><div>Phil Gott<br><div><br><br><div dir=3D"ltr=
">Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On=
Jan 4, 2022, at 6:46 PM, rek46 via Fot <fot@autox.team.net> wrote:<br=
><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF=
<div>
<div class=3D"userEdit" style=3D"font-family: arial, helvetica, sans-serif; f=
ont-size: 10pt; color: #000000;"><span style=3D"color: #000000; font-style: n=
ormal; font-weight: 400;">There is no solder in the fin to tube transfer....=
.the tubes are a Brazed alum. that is 7 to 12 percent outer layer of Silicon=
...depending on whether it is for one side or 2....these ingots are mated to=
gether (1 or 2 side ) with the original 3000 series base ingot ...So you hav=
e a base ingot (about 20") and one or 2 outer ingots(about 2' to 3' per side=
as spec req.required) stacked up to get your one or 2 side outer laye=
rs... Then they are hot rolled on a reversing mill to several passes to get t=
hin er gauges...which next goes to some 4 stnd cold rolling mills. to get do=
wn to about .80 ...this is now ready to ship to finishig mill....which then w=
ill take about 8 passes to get down to about .006 to .004"....during this pr=
ocess ,you may need to inter-anneal at certain passes,to end up with H-19&nb=
sp; to H -0 TEMPERS for forming ,etc. dependent on customers finish pr=
ocesses, and customer requierments (many)....This is non technical info as r=
eq. by secrecy agreements....BTW...Fin stock is run seperate ly ,and produce=
d to .003" ish to . 0045" ish,plus specials for other reqs......=
..rick<br></span></div>
<div class=3D"userEdit" style=3D"font-family: arial, helvetica, sans-serif; f=
ont-size: 10pt; color: #000000;"> </div>
<div class=3D"userEdit" style=3D"font-family: arial, helvetica, sans-serif; f=
ont-size: 10pt; color: #000000;"> </div>
<div class=3D"userEdit" style=3D"font-family: arial, helvetica, sans-serif; f=
ont-size: 10pt; color: #000000;"> </div>
<div class=3D"userEdit" style=3D"font-family: arial, helvetica, sans-serif; f=
ont-size: 10pt; color: #000000;"> </div>
<br>In a message dated 1/4/2022 5:24:23 PM Eastern Standard Time, fot@autox.=
team.net writes:
<div> </div>
<div class=3D"quotedReply">
<blockquote style=3D"padding-left: 5px; margin-left: 5px; border-left: blue 2=
px solid;">
<div id=3D"yiv1040277252">
<div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr">This is informative=E2=80=A6.</div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr">
<div dir=3D"ltr"><strong>What material makes the better Radiator: Aluminum o=
r Copper?</strong></div>
<div dir=3D"ltr"><br clear=3D"none"><a href=3D"https://www.motormouthradio.c=
om/blog/118-what-material-makes-the-better-radiator-aluminum-or-copper" targ=
et=3D"_blank" rel=3D"noopener noreferrer">https://www.motormouthradio.com/bl=
og/118-what-material-makes-the-better-radiator-aluminum-or-copper</a></div>
<div dir=3D"ltr"> </div>
<div dir=3D"ltr"> </div>
</div>
<div dir=3D"ltr">
<div dir=3D"ltr"><strong>An Aluminum or Copper Radiator for Your Car - Car C=
raft Magazine</strong></div>
<div dir=3D"ltr"><br clear=3D"none"><a href=3D"https://www.motortrend.com/ho=
w-to/ccrp-0211-aluminum-or-copper-radiator-for-your-car/" target=3D"_blank" r=
el=3D"noopener noreferrer">https://www.motortrend.com/how-to/ccrp-0211-alumi=
num-or-copper-radiator-for-your-car/</a></div>
</div>
<div dir=3D"ltr">
<div id=3D"yiv1040277252yqtfd73893" class=3D"yiv1040277252yqt0241680626"><br=
clear=3D"none">
<blockquote>On Jan 4, 2022, at 12:56 PM, TeriAnn J. Wakeman via Fot <fot@=
autox.team.net> wrote:<br clear=3D"none"><br clear=3D"none"></blockquote>=
</div>
</div>
<blockquote>
<div dir=3D"ltr">
<div id=3D"yiv1040277252yqtfd57369" class=3D"yiv1040277252yqt0241680626">On 1=
/4/22 11:50 AM, dustin nicholson via Fot wrote:<br clear=3D"none">
<blockquote>I read an interesting article once that said while brass/copper o=
ut performs aluminum, an aluminum radiator will dissipate heat better than b=
rass radiators because of all the leads solder in the seams of the brass. Le=
ad holds the heat and therefore offsets the advantage of the brass. Seems li=
ke reasonable logic but I can=E2=80=99t substantiate it.</blockquote>
<br clear=3D"none"><br clear=3D"none">Why aluminum radiators are better than=
bass:<br clear=3D"none"><br clear=3D"none">Thermal conductivity Btu/(hr.ft&=
nbsp; degrees F)<br clear=3D"none"><br clear=3D"none">brass (stock radiators=
) - 83 degrees<br clear=3D"none">Aluminum (radiators) - 126<br clear=3D=
"none">copper - 218<br clear=3D"none"><br clear=3D"none">cast iron - 27.7<br=
clear=3D"none"><br clear=3D"none">TeriAnn<br clear=3D"none"><br clear=3D"no=
ne">_______________________________________________<br clear=3D"none"><a hre=
f=3D"mailto:fot@autox.team.net"; target=3D"_blank" rel=3D"noopener noreferrer=
">fot@autox.team.net</a><br clear=3D"none"><br clear=3D"none"><a href=3D"htt=
p://www.fot-racing.com" target=3D"_blank" rel=3D"noopener noreferrer">http:/=
/www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none">Donate: <a href=
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errer">http://www.team.net/donate.html</a><br clear=3D"none">Archive: <a hre=
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</div>
</blockquote>
</div>
</div>
<div id=3D"yqtfd32995" class=3D"yqt0241680626">_____________________________=
__________________<br clear=3D"none"><a href=3D"mailto:fot@autox.team.net"; s=
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ear=3D"none"></div>
</blockquote>
</div>
</div><span>_______________________________________________</span><br><span>=
fot@autox.team.net</span><br><span></span><br><span>http://www.fot-racing.co=
m</span><br><span></span><br><span>Donate: http://www.team.net/donate.html</=
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_______________________________________________
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