[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Water pump....questions
This is a multi-part message in MIME format.
------=_NextPart_000_000F_01C2DF6E.27B89500
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MessageThis is a subject that was VERY recently debated, and this is the =
last I have to say on it;
You have to be careful when you are considering specialized products =
like this, Brian.
Every electric water pump in the Summit catalog is listed under =
"Hardcore Racing Parts".
Look at the advertising for electric water pumps:
A Moroso ad says "for drag race use only"
Dedenbear's ad says "for drag race use only"
One CSI ad says "just for dragsters"
A Meziere ad says "oval track, off road, and pulling applications"
Those are situations where the electric pump can be powered by an =
isolated battery.
There's no doubt that replacing the standard water pump with an electric =
pump will save horsepower IF (big if) you run that pump off a battery =
that isn't being charged by an alternator powered by the same engine. =
That's what the sellers base their claims on.
Where do you think the energy to power an electric water pump comes =
from?=20
Answer: a battery. Where does the energy that's in the street car =
battery come from?
Answer: the alternator. And where does the energy to spin the alternator =
come from?
Use of an electric water pump puts three additional devices into the =
energy 'loop'; the alternator, wiring, and the battery, none of which is =
100% efficient, so it will not save power, ultimately it can only =
consume additional power.
In a street car, there is only one source of power. One. The engine.
In a street car, the engine supplies power for the water pump, either =
directly or indirectly.
Just stop and think about it for a minute....that's all I ask.
No matter who on this list disagrees with me, it won't change the facts. =
Larry
----- Original Message -----=20
From: Brian Honnold=20
To: '_Scirocco Mailing List'=20
Sent: Friday, February 28, 2003 5:33 PM
Subject: RE: Water pump....questions
So tell us Larry, exactly why do companies like Moroso, Meizere and =
Weiand (sp) waste the time and $$ to produce electric water pumps, and =
then go to the trouble of dyno testing cars both with and without those =
pumps, in order to advertise that 10+hp is freed up on an chevy motor =
due to the reduced drag on the pulley system?
=20
=20
------=_NextPart_000_000F_01C2DF6E.27B89500
Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Message</TITLE>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.3504.2500" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>This is a subject that was VERY =
recently debated,=20
and this is the last I have to say on it;</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>You have to be careful when you are =
considering=20
specialized products like this, Brian.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2><FONT face=3DArial size=3D2>Every =
electric water pump=20
in the Summit catalog is listed under "Hardcore Racing=20
Parts".</FONT></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Look at the advertising for electric =
water=20
pumps:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>A Moroso ad says "for drag race use=20
only"</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Dedenbear's ad says "for drag race use=20
only"</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>One CSI ad says "just for =
dragsters"</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>A Meziere ad says "oval track, off =
road, and=20
pulling applications"</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Those are situations where the electric =
pump can be=20
powered by an isolated battery.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>There's no doubt that replacing the =
standard water=20
pump with an electric pump will save horsepower IF (big if) you run that =
pump=20
off a battery that isn't being charged by an alternator powered by =
the same=20
engine. That's what the sellers base their claims on.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Where do you think the energy to power =
an electric=20
water pump comes from? </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Answer: a battery. Where =
does the energy=20
that's in the street car battery come from?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Answer: the alternator. And where does =
the energy=20
to spin the alternator come from?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Use of an electric water pump puts =
three additional=20
devices into the energy 'loop'; the alternator, wiring, and the battery, =
none of=20
which is 100% efficient, so it will not save power, ultimately it can =
only=20
consume additional power.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>In a street car, there is only one =
source of power.=20
One. The engine.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>In a street car, the engine=20
supplies power for the water pump, either directly or=20
indirectly.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Just stop and think about it for a =
minute....that's=20
all I ask.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>No matter who on this list =
disagrees with me,=20
it won't change the facts. </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Larry</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A href=3D"mailto:bhonnold@pac-cap.com"; =
title=3Dbhonnold@pac-cap.com>Brian=20
Honnold</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
href=3D"mailto:scirocco-l@scirocco.org"; =
title=3Dscirocco-l@scirocco.org>'_Scirocco=20
Mailing List'</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, February 28, 2003 =
5:33=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: Water=20
pump....questions</DIV>
<DIV><BR></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D159062501-01032003>So=20
tell us Larry, exactly why do companies like Moroso, Meizere and =
Weiand (sp)=20
waste the time and $$ to produce electric water pumps, and then go to =
the=20
trouble of dyno testing cars both with and without those pumps, in =
order to=20
advertise that 10+hp is freed up on an chevy motor due to the =
reduced=20
drag on the pulley system?</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN=20
class=3D159062501-01032003></SPAN></FONT> </DIV>
<DIV><FONT face=3DTahoma><FONT size=3D2><SPAN =
class=3D159062501-01032003><FONT=20
color=3D#0000ff=20
face=3DArial> </FONT></SPAN></FONT></FONT></DIV></BLOCKQUOTE></BODY>=
</HTML>
------=_NextPart_000_000F_01C2DF6E.27B89500--