overdue at Sans Souci
Join Date: Nov 2007
Location: Midland Ontario
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I have a Nicro day/night (3 inch model) in the head compartment of my C&C 27. I installed it last year as a replacement for an old Nicro that had been kicked one too many times by previous owners. The design of the new one is much more robust, although I'm considering installing a protective cage over it. It has a switch that can turn it off, and a damper you can close. It also has a noticeably larger solar panel, even though the cutout is the same. I'm not much worried about taking green water through it where I sail. My experience with solar powered vents on earlier boats is that to keep noise to a minimum, you have to make sure the mounting is fairly level. If the little motor has to operate on a tilt, sooner or later it will start chattering, sometimes alarmingly loudly. You also mention a curved mounting surface, which you'll have to overcome if you want a tight seal. The Nicro comes with a gasket for the deck (there are options for putting them through a flat hatch), but it won't overcome much camber.
While I only have the single solar vent in the current boat, it does a good job of moving air out of the cabin when I'm not there. But since I'm up on Georgian Bay and you're down in the tropics (by my standards) you may as you suggest want to have a more ambitious, multiple vent system, perhaps with larger units, to keep the humidity, mold and mildew at bay. The Nicro also allows you to reverse the fan, so that you could have one unit pulling fresh air into the cabin while another one provides exhaust from the cabin.
C&C 27 Mk 1
Midland Bay Sailing Club
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Last edited by Diva27; 11-30-2007 at 09:50 AM.