Re: [Healeys] Electric water pumps

[Alan Seigrist <healey.nut@gmail.com>]

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I used to have a =E2=80=9866 Bronco with the fold down screen so Ford put v=
acuum
wipers on it.

when it rained I would have to alternate speeding up and then =E2=80=9Cjake
braking=E2=80=9D to get the wipers to go fast enough to clear the water off=
 the
windshield in a heavy downpour=E2=80=A6

On Mon, 29 Aug 2022 at 7:21 PM, Michael Oritt <michael.oritt@gmail.com>
wrote:

> The same could be said for the oil pump whose role is much more critical
> than the water pump.  Since it is driven by the cam it operates in direct
> variation to engine speed and is supplying less oil under less pressure i=
n
> top gear at highway cruising speed than when in lower gears accelerating,
> etc.  Since there is a bypass valve in the oil system perhaps there is an
> abundance of oil being pumped through the engine and this is not an issue=
,
> but at least theoretically the situation is the same.  And for those of u=
s
> old enough to remember how old vacuum-operated windshield worked you had
> the same deficiency under acceleration when you might most need a clear
> view.
>
> Just sayin....
>
> Best--Michael Oritt
>
> On Sun, Aug 28, 2022 at 11:58 PM Alan Seigrist via Healeys <
> healeys@autox.team.net> 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 redu=
ce
>> temperatures, since the water must flow through the radiator slowly enou=
gh
>> to cool down.  If you push water through the radiator too fast, you migh=
t
>> 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 i=
s
>> 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 thermosta=
t
>>> 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
>>>
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<div dir=3D"auto">I used to have a =E2=80=9866 Bronco with the fold down sc=
reen so Ford put vacuum wipers on it. =C2=A0</div><div dir=3D"auto"><br></d=
iv><div dir=3D"auto">when it rained I would have to alternate speeding up a=
nd then =E2=80=9Cjake braking=E2=80=9D to get the wipers to go fast enough =
to clear the water off the windshield in a heavy downpour=E2=80=A6</div><di=
v><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On M=
on, 29 Aug 2022 at 7:21 PM, Michael Oritt &lt;<a href=3D"mailto:michael.ori=
tt@gmail.com">michael.oritt@gmail.com</a>&gt; wrote:<br></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;=
padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"co=
lor:#3333ff">The same could be said for the oil pump whose role is much mor=
e critical than the=C2=A0water pump.=C2=A0 Since=C2=A0it is driven=C2=A0by =
the cam it operates=C2=A0in direct variation=C2=A0to engine speed and is su=
pplying less oil under less pressure in top gear at highway cruising speed =
than when in lower gears accelerating, etc.=C2=A0 Since there is a bypass v=
alve in the oil system perhaps there is an abundance of oil being pumped th=
rough the engine and this is not an issue, but at least=C2=A0theoretically =
the situation is the same.=C2=A0 And for those of us old enough to remember=
 how old vacuum-operated windshield worked you had the same deficiency unde=
r acceleration when=C2=A0you might most need a clear view.=C2=A0=C2=A0</div=
><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div class=
=3D"gmail_default" style=3D"color:#3333ff">Just sayin....</div><div class=
=3D"gmail_default" style=3D"color:#3333ff"><br></div><div class=3D"gmail_de=
fault" style=3D"color:#3333ff">Best--Michael Oritt</div></div><br><div clas=
s=3D"gmail_quote"></div><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Sun, Aug 28, 2022 at 11:58 PM Alan Seigrist via Healeys =
&lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@aut=
ox.team.net</a>&gt; wrote:<br></div></div><div class=3D"gmail_quote"><block=
quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex"></blockquote></div><div class=
=3D"gmail_quote"><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 dir=
=3D"ltr">Hi Bob -<div><br></div><div>Just remember that the cooling system =
is meant to work in balance, so increasing the water flow through the syste=
m often may not actually reduce temperatures, since the water must flow thr=
ough the radiator slowly enough to cool down.=C2=A0 If you push water throu=
gh the radiator too fast, you might just end up recycling hot water back in=
to a hot engine.=C2=A0 So if you put a pump on the car, I would put a suppl=
ementary tandem pump, not one that is meant to work alone.</div><div><br></=
div><div>Best,</div><div><br></div><div>Alan</div><div><br></div></div><br>=
<div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Au=
g 29, 2022 at 6:43 AM Bob Haskell &lt;<a href=3D"mailto:rchaskell@earthlink=
.net" target=3D"_blank">rchaskell@earthlink.net</a>&gt; wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-lef=
t:1px solid rgb(204,204,204);padding-left:1ex">
 =20

   =20
 =20
  <div>
    <font size=3D"2"><font face=3D"Courier 10 Pitch">Anyone fitted an
        electric water pump to replace the mechanical pump?=C2=A0 One can g=
o
        whole hog with an electric fan, a temperature sensor in the
        upper radiator hose and a controller.=C2=A0 Takes the place of the
        thermostat and the impeller on the mechanical pump.<br>
        <br>
        <a href=3D"https://daviescraig.com/electric-water-pumps"; target=3D"=
_blank">https://daviescraig.com/electric-water-pumps</a><br>
        <br>
        A bit beyond a Pertronix, but still reversible.<br>
      </font></font>
    <pre cols=3D"72">--=20
Cheers,

Bob Haskell
Austin Healey 3000 BN7/BT7 registrar</pre>
  </div>

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