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David--
Yes, a sealed cap which includes those with the button vent that
essentially pulls in and seals when there is a vacuum in the system below
it.
Best--Michael Oritt
On Tue, Nov 15, 2016 at 11:33 AM, David Nock <healeydoc@gmail.com> wrote:
> It will only draw the coolant back and forth from the expansion tank if
> the radiator cap is a sealed cap.
>
> David Nock
> healeydoc@sbcglobal.net
> 209 948 8767
> www.britishcarspecialists.com
>
> *From:* Michael Oritt <michael.oritt@gmail.com>
> *Sent:* Tuesday, November 15, 2016 5:31 AM
> *To:* Patrick & Caroline Quinn <p_cquinn@tpg.com.au>
> *Cc:* Austin Healey <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Coolant Expansion Bottle
>
> Patrick--
>
> The system will draw coolant back into the system from the expansion tank
> only if the end of the hose is submerged in coolant, either because it
> enters the tank from the bottom or from the top in which case, as Kimo
> points out, the hose clamps must be tight so that the vacuum created with=
in
> the radiator is preserved in order to draw liquid.
>
> Best--Michael Oritt
>
> On Mon, Nov 14, 2016 at 3:37 PM, Patrick & Caroline Quinn <
> p_cquinn@tpg.com.au> wrote:
>
>> G=E2=80=99day
>>
>>
>>
>> I know the subject of fitting a coolant expansion bottle has been covere=
d
>> before, but this has a twist as it concerns a Healey and not an
>> Austin-Healey.
>>
>>
>>
>> Our Healey Duncan has its original cooling system that is unpressurised.
>> It=E2=80=99s assisted by an electric fan in front of the radiator, but w=
ith our
>> warmer climate it persists is dumping its coolant out through the overfl=
ow
>> pipe.
>>
>>
>>
>> The radiator cap is a screw on type and the overflow pipe exits the
>> radiator header tank separately in front of the cap. Being unpressurised
>> there is nothing to stop the hot and expanded coolant from exiting via t=
he
>> overflow pipe.
>>
>>
>>
>> I am thinking of fitting a coolant expansion bottle but am wondering if
>> this will work on an unpressurised system. It seems to me that it should
>> not make any difference, because if the coolant cannot escape to the
>> outside world when it expands then it should flow back into the radiator
>> once it cools.
>>
>>
>>
>> Any opinions?
>>
>>
>>
>> Thanks
>>
>>
>>
>> Patrick Quinn
>>
>> Blue Mountains, Australia
>>
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>>
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/healeys/michael.oritt@gmail.com
>>
>>
>>
>
> ------------------------------
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
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>
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>
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>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">David=
--</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div=
class=3D"gmail_default" style=3D"color:#3333ff">Yes, a sealed cap which in=
cludes those with the button vent that essentially pulls in and seals when =
there is a vacuum in the system below it.</div><div class=3D"gmail_default"=
style=3D"color:#3333ff"><br></div><div class=3D"gmail_default" style=3D"co=
lor:#3333ff">Best--Michael Oritt</div></div><div class=3D"gmail_extra"><br>=
<div class=3D"gmail_quote">On Tue, Nov 15, 2016 at 11:33 AM, David Nock <sp=
an dir=3D"ltr"><<a href=3D"mailto:healeydoc@gmail.com"; target=3D"_blank"=
>healeydoc@gmail.com</a>></span> wrote:<br><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex=
">
<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"FONT-SIZE:12pt;FONT-FAMILY:'Century';COLOR:#000000">
<div>It will only draw the coolant back and forth from the expansion tank i=
f the=20
radiator cap is a sealed cap. </div>
<div>=C2=A0</div>
<div style=3D"FONT-SIZE:12pt;FONT-FAMILY:'Century';COLOR:#000000">D=
avid=20
Nock<br><a href=3D"mailto:healeydoc@sbcglobal.net"; target=3D"_blank">healey=
doc@sbcglobal.net</a><br>209 948=20
8767<br><a href=3D"http://www.britishcarspecialists.com"; target=3D"_blank">=
www.britishcarspecialists.com</a></div>
<div style=3D"FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibr=
i";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">
<div style=3D"FONT:10pt tahoma">
<div>=C2=A0</div>
<div style=3D"BACKGROUND:#f5f5f5">
<div><b>From:</b> <a title=3D"michael.oritt@gmail.com" href=3D"mailto:micha=
el.oritt@gmail.com" target=3D"_blank">Michael Oritt</a> </div>
<div><b>Sent:</b> Tuesday, November 15, 2016 5:31 AM</div>
<div><b>To:</b> <a title=3D"p_cquinn@tpg.com.au" href=3D"mailto:p_cquinn@tp=
g.com.au" target=3D"_blank">Patrick & Caroline Quinn</a> </div>
<div><b>Cc:</b> <a title=3D"healeys@autox.team.net" href=3D"mailto:healeys@=
autox.team.net" target=3D"_blank">Austin Healey</a> </div>
<div><b>Subject:</b> Re: [Healeys] Coolant Expansion Bottle</div></div></di=
v>
<div>=C2=A0</div></div>
<div style=3D"FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibr=
i";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">=
<div><div class=3D"h5">
<div dir=3D"ltr">
<div class=3D"gmail_default" style=3D"COLOR:#3333ff">Patrick--</div>
<div class=3D"gmail_default" style=3D"COLOR:#3333ff">=C2=A0</div>
<div class=3D"gmail_default" style=3D"COLOR:#3333ff">The system will draw c=
oolant=20
back into the system from the expansion tank only if the end of the hose is=
=20
submerged in coolant, either because it enters the tank from the bottom or =
from=20
the top in which case, as Kimo points out, the hose clamps must be tight so=
that=20
the vacuum created within the radiator is preserved in order to draw=20
liquid.</div>
<div class=3D"gmail_default" style=3D"COLOR:#3333ff">=C2=A0</div>
<div class=3D"gmail_default" style=3D"COLOR:#3333ff">Best--Michael Oritt</d=
iv></div>
<div class=3D"gmail_extra">
<div>=C2=A0</div>
<div class=3D"gmail_quote">On Mon, Nov 14, 2016 at 3:37 PM, Patrick & C=
aroline=20
Quinn <span dir=3D"ltr"><<a href=3D"mailto:p_cquinn@tpg.com.au"; target=
=3D"_blank">p_cquinn@tpg.com.au</a>></span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN:0px 0px =
0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
<div lang=3D"EN-AU" vlink=3D"purple" link=3D"blue">
<div class=3D"m_2118124728570370457m_7435241687470160984WordSection1">
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">G=E2=80=99day<u></u><u></u></span></=
p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">I know the=20
subject of fitting a coolant expansion bottle has been covered before, bu=
t=20
this has a twist as it concerns a Healey and not an=20
Austin-Healey.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">Our Healey=20
Duncan has its original cooling system that is unpressurised. It=E2=80=99=
s assisted by=20
an electric fan in front of the radiator, but with our warmer climate it=
=20
persists is dumping its coolant out through the overflow=20
pipe.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">The radiator=20
cap is a screw on type and the overflow pipe exits the radiator header ta=
nk=20
separately in front of the cap. Being unpressurised there is nothing to s=
top=20
the hot and expanded coolant from exiting via the overflow=20
pipe.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">I am thinking=20
of fitting a coolant expansion bottle but am wondering if this will work =
on an=20
unpressurised system. It seems to me that it should not make any differen=
ce,=20
because if the coolant cannot escape to the outside world when it expands=
then=20
it should flow back into the radiator once it cools.<u></u><u></u></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">Any=20
opinions?<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">Thanks<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif""><u></u><u></u></span>=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">Patrick=20
Quinn<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE:10pt;FONT-FAMILY:"Ti=
mes New Roman","serif"">Blue=20
Mountains,=20
Australia<u></u><u></u></span></p></div></div><br>_______________________=
_______<wbr>_________________<br>Support=20
Team.Net <a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer" t=
arget=3D"_blank">http://www.team.net/donate.htm<wbr>l</a><br>Suggested annu=
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donation=C2=A0 $12.75<br>Archive: <a href=3D"http://www.team.net/archive"=
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blank">http://www.team.net/forums</a><br><br><a href=3D"mailto:Healeys@auto=
x.team.net" target=3D"_blank">Healeys@autox.team.net</a><br><a href=3D"http=
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<a href=3D"http://autox.team.net/mailman/options/healeys/michael.oritt@gm=
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/<wbr>options/healeys/michael.oritt@<wbr>gmail.com</a><br><br><br></blockqu=
ote></div>
<div>=C2=A0</div></div>
</div></div><p>
</p><hr><span class=3D"">
______________________________<wbr>_________________<br>Support Team.Net=20
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</blockquote></div><br></div>
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