|Topic Review (Newest First)|
|01-27-2009 10:27 AM|
Originally Posted by sailingdog View Post
|01-27-2009 10:07 AM|
|sailingdog||Be aware that if you're looking to have the awnings for UV/sun protection, ripstop nylon, especially once it gets wet, provides very little in the way of UV blocking. IMHO, you'll be much better off making the awnings of heavier UV-resistant material, as you'll have far longer between repairs or replacement.|
|01-27-2009 09:50 AM|
Rip stop will work fine if using it on a calm sunny day. I made mine out of white as it does not absorb the heat as much as color. It still lets light light through and offers plenty of protection from the sun.
I also made one out of sumbrella. Used for days of heavier wind and scattered showers. If you spend a lot of time anchored out I think you will find uses for both.
I would also suggest as STT recommended using PVC to make support battens for the sumbrella. I used 3 foot lengths with screw connectors to break them down. Use 3/4 inch for the Sumbrella for strength.
I sued collapsible tent poles for the rip stop nylon. You can also get creative by adding zippers to attach side curtains around the cockpit for heavy rains and netting at night for bugs.
Good luck, it' a fun project
|01-27-2009 06:06 AM|
Don't sweat the sun damage for awnings. If you're sewing it yourself which is a snap, just use polyester with nylon webbing for strength and call it good. All this talk about UV damage is just hype. The way this discussion is going, I'm afraid to go out in the sun wearing my nylon flats-fishing shirts. They might decompose right off my back!! Ha!!
Good luck and take all advice with a grain of salt (including this!),
|01-27-2009 01:32 AM|
I get the point about some sort of stiffener for the cockpit awning. I'll redo my plan for that one.
For the foredeck awning I am planning to curve the longer side upwards to help avoid flogging. The current plan is a smooth curve with the furthest point about 4" above a straight line drawn between the aft connection and the forward connection. All the outer edges will be reinforced with 1" nylon webbing which also allows me to attach 1" rings for the rigging.
|01-26-2009 10:55 PM|
Too true, SST
Any awning, esp one in a windy area, is going to need some sort of stabilizing battens or poles to stay in place.. it also maximizes headroom beneath the awning out towards the deck edges.
|01-26-2009 10:44 PM|
|STTnBama||My awnings were made using sunbrella. It is heavy, but I know it's gonna hold up, and it doesn't flog around in the wind nearly as much. If you sew pockets onto it, and cut PVC pipe to slide into the pockets, it will stabalize it even more and keep the edges a little higher off the deck, making it a little easier to get on and off the boat if your at the dock.|
|01-26-2009 10:35 PM|
|geraldartman||Good tents have polyester flys because it resists UV better. Canvas, if dried properly lasts a real long time as evidenced by out troop's tents that are 30 years old and still working. To me though, if your leaving them up for months that's one thing. I have to bet that your probably not and the nylon will most likely last a number of years.|
|01-26-2009 03:06 PM|
I'd agree that ripstop is not the best awning material.. but for a lightweight sunshade regular sunbrella might be a bit heavy. The [problem with a nylon awning is that it will have a lot of stretch and little stability in any kind of breeze.
Down in the Caribbean our friends use a material that resembled Sunbrella but was about half the weight.. sorry I don't know the tradename of the stuff but something like that is available I'm sure (they had theirs made by a sailmaker in Guadaloupe)
|01-26-2009 02:32 PM|
Originally Posted by patrickrea View Post
You're up in Canada (yes?), so maybe the sun is not so intense up there and you may not use your awnings quite so much either. Maybe the nylon would be fine.
Think about the circumstance when you would use the awnings. It needs to be reasonably strong, because eventually you'll leave it up while you go ashore, the wind will pipe up unexpectedly, and it will take a beating in your absence.
Sunbrella is expensive but very durable and provides good shade. I think a lot more UV gets through nylon.
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