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Go Back   SailNet Community > Out There > Cruising & Liveaboard Forum > Living Aboard > Cooling the boat
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Thread: Cooling the boat Reply to Thread
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Topic Review (Newest First)
05-27-2012 01:43 AM
Faster
Re: Cooling the boat

It should have come with a batten or a dowel that helps hold the scoop open at the bottom and fits across the hatch but under the deck.. then hoist the 'scoop' on a halyard or a pole lift and orient it to the wind, using tension to keep the dowel tight to the deck.
05-27-2012 12:47 AM
needsanap
Re: Cooling the boat

Quote:
Originally Posted by jackdale View Post
There are commercially made air scoops that can force air down a hatch. They work really well AT ANCHOR.
My Pearson 34 has a West Marine through the hatch ventillation (a wind scoop) but I can't figure out how to put it up. How do I attach it to the forward hatch? Thanks!
05-06-2012 01:31 PM
zeehag
Re: Cooling the boat

i use green plastic tarps, and i have a screen in green which needs refit, as was from a 47 ft sloop and i have a 41 ft ketch. usually i use 3 layers of these green plastic tarps and the boat stays cool.
dont leave any of the surface uncovered as sun bake sit badly. tarps prevent oxidation by sun baking, and keeps air flow good -- even act as a wind scoop if you figure your wind direction and coverage. for rain i use a huge silver over brown tarp--those shed silver stuff and only last one season here.
i also have canvas and screen finally finished...i just need window/port screens for bugs now.
\i dont have pix as my transfer mechanism died and i need to find a new universal card reader for that function. those items are difficult to find in mexico, for some reason....i love the lowlife look i achieve with these plastic things covering my boat...LOL
05-06-2012 10:51 AM
Faster
Re: Cooling the boat

We use a hatch cover as you described out of sunbrella to help avoid the early morning light as well as keep the sun off the hatch. It also allows us to leave a hatch cracked for ventilation in the rain.

Single centerline batten, corner grommets and shockcords, suspended from the pole lift or a halyard.

05-06-2012 09:47 AM
mdi
Re: Cooling the boat

Quote:
Originally Posted by zeehag View Post
i use plastic tarps in a layered fashion so as to bring into the boat air and prevent su n from baking inside and decking. works great and has worked great for many many years. no , isnt gorgeous, but keeps boat interior 10 degrees cooler than other boats. when it hits 110 in daylight i turn on air conditioner. i only use the lower settingson my 5000 btu window model, and works well with a fan.
btw--my plastic tarps do not rattle. tie em so the plastic is tight and no rattle. rattle means the high winds will tear it. torn tarps allow sun and rain inside boat. that is not an option.
No chance of a photo of this setup?
05-06-2012 12:15 AM
jackdale
Re: Cooling the boat

There are commercially made air scoops that can force air down a hatch. They work really well AT ANCHOR.
05-05-2012 08:28 PM
travlineasy
Re: Cooling the boat

Silver tarps--best thing since sliced bread!

Gary
04-30-2012 10:16 PM
Frogwatch
Re: Cooling the boat

The effect was very pronounced and was def air flow. I could stand in the doorway to the V-berth and feel a serious draft up the hatch.
04-30-2012 09:42 PM
TQA
Re: Cooling the boat

Silver tarps work better than blue and they seem last longer in a high UV zone.
04-30-2012 01:47 PM
LauderBoy
Re: Cooling the boat

Try keeping the sun off the boat first. Just go to Walmart and pick up a couple tarps of various size. Also pick up some of these to secure the tarps down. Run lines where needed to create "structure" for the tarps.

It'll dramatically cool down the boat. The cheap tarps probably won't last more than 1 season, but if they work then you can look into a more long term solution like some proper canvas.
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