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Old 26-02-2011, 14:33   #16
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Re: Boom Tent

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Originally Posted by Mark Johnson View Post
Ditto, that last point.

The mesh, like dark "phifertex" is great for ...
When the issue is too much sun at anchor, we use a 'readymade' shade cloth from the hardware store. ~$40, cream colour matches our deck. I use a simple 3.6m equilateral triangle as it is easy to get down the side decks.

We were surprised at how it cools the boat down. May not suffice in hottest regions ... or for liveaboards. As others said, take stuff down or rig it low when the wind helps keep the boat cool ...
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Old 03-03-2011, 13:22   #17
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Re: Boom Tent

Great ideas in this thread. I'll be making a shade to go across our boom soon so will come back to this for ideas.

Maddog, would love to see pics of the boat.
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Old 03-03-2011, 17:24   #18
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Re: Boom Tent

Doh.

For anybody planning a canvas to go above the boom - on our boat after a long time in the marina ... the tent/canvas started to chafe thru the main's cover on the top of the boom!!!

The pieces were just touching and since the boom is free to move and so is the tent .... I just moved the tent an inch up and problem solved.

b.
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Old 03-03-2011, 17:40   #19
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Re: Boom Tent

I may need to rig a line between the backstay and the mast, then?
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Old 03-03-2011, 18:08   #20
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Re: Boom Tent

The tent can go over a line (but then it will chafe on it) or it can have a line sewn in, a reinforcement strip sewn on, or just two bigger patches and some webbing (spinnaker clew style) where it is tied to the mast and to the backstay.

I like to double the canvas along every edge, so adding some reinforcement along the center line is no big deal.

All those little canvas you just do them yourself onboard - after one or two you will find that you have a sewing machine for free. A small Pfaff or Singer is all you need, polyester (NOT nylon) dupy thread, and that's it.

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Old 03-03-2011, 18:34   #21
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Re: Boom Tent

Well, yeah, unless you can get Seattle Tarp to do it for less than the cost of materials!
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Old 08-03-2011, 22:48   #22
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There are worse sins.

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My marina manager thinks that polytarps are trashy, and I don't really disagree. Thanks, boss, for pulling me out of the gutter!
The seven trashiest types of marina tenants, in reverse order:

7. People who rig poly tarps to "fix" leaks.
6. People who rig poly tarps for shade.
5. People who feed gulls from the cockpit
4. People who keep yappy dogs on board.
3. People who allow halyards to slat.
2. People who pump out their heads in the marina.
1. People who play Brittany Spears on the cockpit speakers.
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Old 08-03-2011, 22:56   #23
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Re: There are worse sins.

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The seven trashiest types of marina tenants, in reverse order:

7. People who rig poly tarps to "fix" leaks.
6. People who rig poly tarps for shade.
5. People who feed gulls from the cockpit
4. People who keep yappy dogs on board.
3. People who allow halyards to slat.
2. People who pump out their heads in the marina.
1. People who play Brittany Spears on the cockpit speakers.

So did ya finally take that tarp down then?
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Old 09-03-2011, 01:21   #24
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Re: Boom Tent

Slatting halyards don't bother me, nor do polytarps or people's music. Pumping **** into the marina does definitely bother me, though. I'm trashy, but I am not disgusting.

You forgot to put houseplants on your list of trashy marina antics.
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Old 06-05-2013, 11:39   #25
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Re: Boom Tent

thanks for the ideas.
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Old 06-05-2013, 11:48   #26
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Re: Boom Tent

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The tent can go over a line (but then it will chafe on it) or it can have a line sewn in, a reinforcement strip sewn on, or just two bigger patches and some webbing (spinnaker clew style) where it is tied to the mast and to the backstay.

I like to double the canvas along every edge, so adding some reinforcement along the center line is no big deal.

All those little canvas you just do them yourself onboard - after one or two you will find that you have a sewing machine for free. A small Pfaff or Singer is all you need, polyester (NOT nylon) dupy thread, and that's it.

b.

i was looking at the custom-made U-shaped tents neighbors have -- one forward of the mast and one aft -- and it seems to me that I could make it pretty simply as well, with canvas tarps. Sew webbing to hold tent poles. The curve makes it easier to walk the length of the boat over a tent over a ridge line, which I have also used.
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Old 10-05-2013, 21:30   #27
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Re: Boom Tent

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If the air passes under it well, and it is not trapped, a dark color is MUCH cooler than white, or toast, etc. The surface of a dark color being hotter, is not as much of a minus, as the more opaque material is a plus. The boat is more "in the shade"! I used a thermometer to compare, before buying our fabric...
Hi Mark, I would have thought the exact opposite to be true. My brother and I tested that theory on two cars that were both identical other than the color. Both in direct sun, and side by side, we tested the temperatures in both cars. The White one was ten degrees cooler than the dark Green one. Then again, they were both locked up and had no air circulation inside where the thermometers were placed.
-Bruce
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Old 10-05-2013, 23:04   #28
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Maybe ... Maybe not ... We just swapped out a dark blue shade cloth for light tan. The dark blue was hot enough on the inside to irritate ones head with the radiant heat. The tan does not. But as said above, the tab does let considerably more sunlight thru.
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Old 16-08-2015, 11:28   #29
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Re: Boom Tent

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Originally Posted by barnakiel View Post
Doh.

For anybody planning a canvas to go above the boom - on our boat after a long time in the marina ... the tent/canvas started to chafe thru the main's cover on the top of the boom!!!

The pieces were just touching and since the boom is free to move and so is the tent .... I just moved the tent an inch up and problem solved.

b.
Has anyone considered hooking the central grommet of the tarp to the main halyard and raising the main (and tarp) a few inches off the boom. I was also considering using the topping lift as another point of contact in the center (my topping lift has a shackle about 2 ft from the boom top so I can use that.

I was also considering adding a split at the end so that the tail of the tar can go around the topping lift at the end of the boom and then have grommets so that the tails can be tied to the pushpit.

Thoughts ?
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Old 16-08-2015, 19:32   #30
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Re: Boom Tent

Hi cruisingdog,

I see you've revived this thread.

The whole awning issue depends a lot on what you want it for. Like, is it for shade only? Do you want it to keep out rain as well? Do you want to be able to go forward while it is up?

Our present solution: I made a hatch dodger for the forward hatch that keeps out most rain, but not if driven by 25 knots or more, then I have to close the hatch most of the way. It can be done outside. We made a sun/rain awning that we use at anchor. The forward end zips into the aft end of the dodger, and I use bungees to the radar arch for it's aft end: it is made from WeatherMax, a coated polyester fabric, costing about 1/2 what Sunbrella, weighs about 1/2 what Sunbrella does, lasts only 1/2 as long as Sunbrella, but has better chafe resistance.

The issue has many solutions.

Ann
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