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Go Back   SailNet Community > General Interest Forums > General Discussion (sailing related)
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  #31  
Old 01-27-2012
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what material are they?
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plywood.
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well engineered jones. lofted in the nautical style. built in the aeronautical style. i love it. looks like you are thrifty fella. i am afflicted with the same disease.
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seems like the davits themselves would hold much more weight than 150. if anything the actual mounting would be the limiting factor. they look great.
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Thanks, mikie. It wasn't a difficult project, just time consuming. Beats paying $1000 for davits to hang a $200 dinghy on a $5000 boat. As much as I admire well built shiny stainless davits, i just couldn't justify the cost, and wanted to give building them a shot. I figured if it didn't work, at worst I am out $16 worth of plywood and $20 of epoxy.
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did you take any attachment pics? it would seem that is where the real problem would exist. there is incredible mechanical advantage being multiplied over the lever of those davits.
weight X arm = moment, comes to mind.
how did you reinforce the fiberglass where they are mounted?
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The mounts are basically boxed sockets made of mahogany, through bolted through the transom with mahogany backing plates. Plenty strong. to control wobble and droop, stainless tube struts tie the davits to the stern rail.
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now thats sexy. looks like it comes apart quick and easy for times when the dinghy is not needed? freakin sweet.
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1 prefer hard Dinks ... 9 ft fiberglass or aluminum John boat.... The inflatables are uncomfortable!!
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Old 01-31-2012
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I was walking through strictly sail this weekend in Chicago, and I found a couple that seemed interesting. Mercury seemed like a nice boat for the money. But then I also got to talking to the owner of big dog boats:

Big Dog Boats

They seem to also make a nice boat with thicker material than the other guys. And, I think they are just two enthusiasts that decided to spec out these boats, and have them built in China. One of the guys is an airline pilot, so he gets over there regularly to inspect the build process. In that they are trying to break into the market, they seem to offer a very loaded boat with tons of features. And, usually at the shows, you don't get to talk to the owner that is extremely knowledgeable with their entire process. I guess the risk is that they won't be around to give you the warranty service.

We bought a hard bottom west marine hypalon at the Miami Boat show probably 4 years ago. It has leaked twice, and been a big hassle to get warranty service.

The next dinghy I buy will be a pvc roll up. The air bottom and keel is a compromise, but you can add these rub strips on the bottom if you think you are going to be hard on it. They usually have one right down the center.

I would go with PVC because they will last a long time also, and if you roll it up, it wont be in the sun. We cover the hypalon one anyway because it would get all chalky in the Florida sun. And, PVC is significantly cheaper such that you can just get a new boat when it falls apart.

We use a 15hp 2 stroke on the west marine hypalon, and planes at 18mph which adds a ton of flexibility in where we can anchor and how far we go in the dinghy. So, if you could get a setup that planes, you might be very happy.

And, I suspect that your 5 hp 4 stroke weighs almost as much as our 15 hp yamaha 2 stroke. However, 4 strokes get better gas mileage which you probably want on your sailboat in the first place. Just something to think about.

When you do your Lake Michigan trip, don't miss Charlevoix and South Manitou Island. But be ready for the black biting flies. At Annapolis one year I saw these outfits made out of mesh that allowed the wind to blow through but protected from bugs. These never seemed to catch on, but you will be wishing you had something like that.
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