Ventilation

Discussions about Cape Dory, Intrepid and Robinhood sailboats and how we use them. Got questions? Have answers? Provide them here.

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Markst95
Posts: 628
Joined: Aug 5th, '08, 10:04
Location: 1972 Typhoon Weekender "SWIFT" Hull #289 Narragansett Bay, RI

Ventilation

Post by Markst95 »

I have a couple of Circular Louvered Vents I would like to mount on my companionway hatch boards. I have ventilation in the v berth area and would like to get some airflow through the cabin mostly while I'm away. For both Aesthetic and function which hatch board would you mount these on the top middle or lower board? I'm thinking lowest would draw air in from lower in the cabin but middle might look better. Does it really matter? Thanks for any input.
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Steve Laume
Posts: 4127
Joined: Feb 13th, '05, 20:40
Location: Raven1984 Cape Dory 30C Hull #309Noank, CT
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Re: Ventilation

Post by Steve Laume »

If you are drawing air in through a cowl at the front of the boat while at anchor or on a mooring then you might want the hatch board vent to be up high to allow the warm air in the cabin to more easily escape.

I made up a winter board for Raven out of 3/4" plywood and put a rectangular vent in it. The vent is mounted fairly high and is just an aluminum soffit vent with a little eye brow to keep the weather from seeping in the top.

In the summer things stay closed up when I am not on board but I did install a round fixed port in the middle board so I can see what is going on behind me, Steve.
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