[Public-list] Solar Vent

[Amy & David Swanson]

Jim -

Could you provide some details (or pics) of how you set up the fans with the 
vents?  I have thought of doing something like this as my boat has terrible 
condensation problems.  Also, are you at a dock with a charger to keep you 
batteries topped up?  Even those low-draw fans would runt them down running 
24-7 on a mooring.

David Swanson
Strayaway Child
Alberg 30 #229

----- Original Message ----- 
From: "Jim Davis" <a30240 at earthlink.net>
To: "A30 Public List" <public-list at alberg30.org>
Sent: Wednesday, April 13, 2005 10:51 PM
Subject: [Public-list] Solar Vent


With air flow through the bilge area and other minor openings you are going 
to get mixing of cabin and engine room air.  the trick is to try and 
maintain fore to aft air flow as much as is reasonably practical and not 
sweat the small stuff.  On a boat with a gasoline engine you have to have 
two vents to create air flow through the engine space and bilge.  For heat 
dissipation reasons you should have this same air flow on a diesel boat.

A simple suggestion  3 and 4 inch computer fans are cheap and move a lot of 
air.  They also draw very little current and run on 12 volt DC.  They are 
also brushless so sparking isn't a factor.  On Isa Lei I have two that are 
running 24/7 feeding a pair of cowl vent aft.  This creates a positive air 
flow at all times.

Enjoy

Jim Davis
S/V Isa Lei
CT 35


If man does find the solution for world peace it will be the most 
revolutionary reversal of his record we have ever known.
George C. Marshall
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