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<DIV><FONT size=2 face=Arial>Renzo,</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>I also have a truckster, but it has the OMC 22
hp engine, which is air cooled and has no radiator.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>DC motors with permanent magnets for fields can be
reversed by switching the power leads. For those with field coils instead of
permanent magnets it's necessary to switch the field coil connections inside the
motor to reverse them. Your link only refers to those motors with a field coil.
If you aren't certain which type you have it's usually easiest to just try
reversing the power leads and see what happens, or you can see if a paper clip
will be magnetically attracted to the case of the motor with the motor not
connected to power. If the paper clip is attracted, you have a motor
with a permanent magnet field.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Is the insulation on the inside of your motor cover
good? You might try adding some if it isn't. I've added pieces of 3/4"
thick foil covered rigid foam to the inside of my engine cover using a tube of
Permatex automotive weather-strip adhesive to attach it. Let the adhesive dry in
the sun for a few hours after you have applied the insulation and before
replacing the cover in the truck. So far this adhesive is holding very well
for me. Be careful though, as the clearances inside the cover don't allow for
the 3/4" thick insulation everywhere. You may need to use something thinner in
some places, but be sure it's foil covered because the adhesive doesn't hold
well to the non foiled insulation materials. I insulated my motor cover
more to reduce the engine noise level than to reduce the heat in the cab,
though I'm sure it will help with the heat problem too. The insulation that I
used is available from Lowes in 4' X 8' sheets. It may also be available
elsewhere. It is foil covered on one side and plastic covered on the
other.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Charley</FONT></DIV>
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style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=thesees1@gmail.com href="mailto:thesees1@gmail.com">RENZO SEES</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=silly_little_cars@lists.sillylittlecars.com
href="mailto:silly_little_cars@lists.sillylittlecars.com">silly_little_cars@lists.sillylittlecars.com</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, February 09, 2013 11:08
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Silly Little Cars] Water-cooled
Cushmans</DIV>
<DIV><BR></DIV>Anyone ever install a 'pusher' electric radiator fan? Seems
like a good idea during the hot season especially, in order to keep the cabin
a little cooler. This would push air thru the radiator to the outside(instead
of drawing air from outside into engine compartment and cabin.) I realize it
may be slightly less efficient, but infinitely more comfortable and mine never
overheats.
<DIV> BTW, just reversing polarity on fan motor doesnt change rotation.<A
href="http://www.wisc-online.com/objects/ViewObject.aspx?ID=IAU9708">http://www.wisc-online.com/objects/ViewObject.aspx?ID=IAU9708</A></DIV>
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