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Hi Bob -
I assume you are using an electric pump in tandem with the mechanical pump?
Best,
Alan
On Tue, 30 Aug 2022 at 12:32 AM, <rfbegani@gmail.com> wrote:
> Guys,
>
> I have tested the temperature of the water at the hose coming to the
> radiator and at the bottom going up to the inlet. While I do not have
> exact information because I am not in Florida, I can assure you there is a
> very nice differential between the hot incoming and the much cooler out
> going of the radiator. Other on this list who are using the Davis water
> pump are considering removing the fan altogether. I have removed my Texas
> Fan as it is no longer needed. Try it you will like it. Remember modern
> automobiles have electric pump moving water to and from the radiator as
> they were designed without a fan/water pump.
>
> Summit Racing has the water pumps in stock.
>
> Bob Begani
>
> -----Original Message-----
> From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Bob Haskell
> via Healeys
> Sent: Monday, August 29, 2022 6:05 AM
> To: Alan Seigrist <healey.nut@gmail.com>
> Cc: Healey List <healeys@autox.team.net>
> Subject: Re: [Healeys] Electric water pumps
>
> Alan,
>
> I have the same concern. I sent their US rep an email asking about that.
> Seems like there ought to be a temperature sensor in the lower radiator
> hose to look at the temperature drop between radiator in/out. The
> temperature drop would be affected by (electric) fan speed and the flow
> rate.
>
> They sell different size pumps. Based on their table, the EWP115
> (115liters/minute maximum) is what they recommend for engines between
> 2.0 and 3.5 liters. Anyone know what the flow rate is for a stock water
> pump?
>
> Cheers,
>
> Bob Haskell
> Austin Healey 3000 BN7/BT7 registrar
>
> On 8/28/22 11:56 PM, Alan Seigrist wrote:
> > Hi Bob -
> >
> > Just remember that the cooling system is meant to work in balance, so
> > increasing the water flow through the system often may not actually
> > reduce temperatures, since the water must flow through the radiator
> > slowly enough to cool down. If you push water through the radiator
> > too fast, you might just end up recycling hot water back into a hot
> > engine. So if you put a pump on the car, I would put a supplementary
> > tandem pump, not one that is meant to work alone.
> >
> > Best,
> >
> > Alan
> >
> >
> > On Mon, Aug 29, 2022 at 6:43 AM Bob Haskell <rchaskell@earthlink.net>
> > wrote:
> >
> > Anyone fitted an electric water pump to replace the mechanical
> > pump? One can go whole hog with an electric fan, a temperature
> > sensor in the upper radiator hose and a controller. Takes the
> > place of the thermostat and the impeller on the mechanical pump.
> >
> > https://daviescraig.com/electric-water-pumps
> >
> > A bit beyond a Pertronix, but still reversible.
> >
> > --
> > Cheers,
> >
> > Bob Haskell
> > Austin Healey 3000 BN7/BT7 registrar
> >
> > _______________________________________________
> > Support Team.Net http://www.team.net/donate.html
> > Suggested annual donation $12.75
> >
> > Archive: http://www.team.net/pipermail/healeys
> > http://autox.team.net/archive/healeys
> >
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> > http://autox.team.net/mailman/listinfo/healeys
> >
> > Unsubscribe/Manage:
> > http://autox.team.net/mailman/options/healeys/healey.nut@gmail.com
> >
>
> _______________________________________________
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">Hi Bob -</div><div dir=3D"auto"><br></div><div dir=3D"aut=
o">I assume you are using an electric pump in tandem with the mechanical pu=
mp?</div><div dir=3D"auto"><br></div><div dir=3D"auto">Best,</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">Alan</div><div><br><div class=3D"gmai=
l_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, 30 Aug 2022 at 12:32=
AM, <<a href=3D"mailto:rfbegani@gmail.com";>rfbegani@gmail.com</a>> w=
rote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex=
;border-left:1px #ccc solid;padding-left:1ex">Guys,<br>
<br>
I have tested the temperature of the water at the hose coming to the radiat=
or and at the bottom going up to the inlet.=C2=A0 While I do not have exact=
information because I am not in Florida, I can assure you there is a very =
nice differential between the hot incoming and the much cooler out going of=
the radiator.=C2=A0 Other on this list who are using the Davis water pump =
are considering removing the fan altogether. I have removed my Texas Fan as=
it is no longer needed.=C2=A0 Try it you will like it.=C2=A0 Remember mode=
rn automobiles have electric pump moving water to and from the radiator as =
they were designed without a fan/water pump.<br>
<br>
Summit Racing has the water pumps in stock.<br>
<br>
Bob Begani<br>
<br>
-----Original Message-----<br>
From: Healeys <<a href=3D"mailto:healeys-bounces@autox.team.net"; target=
=3D"_blank">healeys-bounces@autox.team.net</a>> On Behalf Of Bob Haskell=
via Healeys<br>
Sent: Monday, August 29, 2022 6:05 AM<br>
To: Alan Seigrist <<a href=3D"mailto:healey.nut@gmail.com"; target=3D"_bl=
ank">healey.nut@gmail.com</a>><br>
Cc: Healey List <<a href=3D"mailto:healeys@autox.team.net"; target=3D"_bl=
ank">healeys@autox.team.net</a>><br>
Subject: Re: [Healeys] Electric water pumps<br>
<br>
Alan,<br>
<br>
I have the same concern.=C2=A0 I sent their US rep an email asking about th=
at.=C2=A0 Seems like there ought to be a temperature sensor in the lower ra=
diator hose to look at the temperature drop between radiator in/out. The te=
mperature drop would be affected by (electric) fan speed and the flow rate.=
<br>
<br>
They sell different size pumps.=C2=A0 Based on their table, the EWP115 (115=
liters/minute maximum) is what they recommend for engines between<br>
2.0 and 3.5 liters.=C2=A0 Anyone know what the flow rate is for a stock wat=
er pump?<br>
<br>
Cheers,<br>
<br>
Bob Haskell<br>
Austin Healey 3000 BN7/BT7 registrar<br>
<br>
On 8/28/22 11:56 PM, Alan Seigrist wrote:<br>
> Hi Bob -<br>
><br>
> Just remember that the cooling system is meant to work in balance, so =
<br>
> increasing the water flow through the system often may not actually <b=
r>
> reduce temperatures, since the water must flow through the radiator <b=
r>
> slowly enough to cool down.=C2=A0 If you push water through the radiat=
or <br>
> too fast, you might just end up recycling hot water back into a hot <b=
r>
> engine.=C2=A0 So if you put a pump on the car, I would put a supplemen=
tary <br>
> tandem pump, not one that is meant to work alone.<br>
><br>
> Best,<br>
><br>
> Alan<br>
><br>
><br>
> On Mon, Aug 29, 2022 at 6:43 AM Bob Haskell <<a href=3D"mailto:rcha=
skell@earthlink.net" target=3D"_blank">rchaskell@earthlink.net</a>><br>
> wrote:<br>
><br>
>=C2=A0 =C2=A0 =C2=A0Anyone fitted an electric water pump to replace the=
mechanical<br>
>=C2=A0 =C2=A0 =C2=A0pump?=C2=A0 One can go whole hog with an electric f=
an, a temperature<br>
>=C2=A0 =C2=A0 =C2=A0sensor in the upper radiator hose and a controller.=
=C2=A0 Takes the<br>
>=C2=A0 =C2=A0 =C2=A0place of the thermostat and the impeller on the mec=
hanical pump.<br>
><br>
>=C2=A0 =C2=A0 =C2=A0<a href=3D"https://daviescraig.com/electric-water-p=
umps" rel=3D"noreferrer" target=3D"_blank">https://daviescraig.com/electric=
-water-pumps</a><br>
><br>
>=C2=A0 =C2=A0 =C2=A0A bit beyond a Pertronix, but still reversible.<br>
><br>
>=C2=A0 =C2=A0 =C2=A0-- <br>
>=C2=A0 =C2=A0 =C2=A0Cheers,<br>
><br>
>=C2=A0 =C2=A0 =C2=A0Bob Haskell<br>
>=C2=A0 =C2=A0 =C2=A0Austin Healey 3000 BN7/BT7 registrar<br>
><br>
>=C2=A0 =C2=A0 =C2=A0_______________________________________________<br>
>=C2=A0 =C2=A0 =C2=A0Support Team.Net <a href=3D"http://www.team.net/don=
ate.html" rel=3D"noreferrer" target=3D"_blank">http://www.team.net/donate.h=
tml</a><br>
>=C2=A0 =C2=A0 =C2=A0Suggested annual donation=C2=A0 $12.75<br>
><br>
>=C2=A0 =C2=A0 =C2=A0Archive: <a href=3D"http://www.team.net/pipermail/h=
ealeys" rel=3D"noreferrer" target=3D"_blank">http://www.team.net/pipermail/=
healeys</a><br>
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el=3D"noreferrer" target=3D"_blank">http://autox.team.net/archive/healeys</=
a><br>
><br>
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"_blank">Healeys@autox.team.net</a><br>
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ealeys" rel=3D"noreferrer" target=3D"_blank">http://autox.team.net/mailman/=
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><br>
<br>
_______________________________________________<br>
rer" target=3D"_blank">http://www.team.net/donate.html</a> Suggested annual=
donation=C2=A0 $12.75<br>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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<br>
<br>
</blockquote></div></div>
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