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That is one of the best threads on this forum and it doesn't just apply to Multihulls. It is a must read for any amateur that wants to build any type of vessel.

Yup a 25 ft tri would be pretty tiny. Not impossible to live on , particularly in the tropics. I've seen plenty of live-aboards on 30 ft tris. That's why I would point them toward a cat.

Take a look at this list Sailing Catamarans - First Choose a Design http://www.sailingcatamarans.com/index.php/designs-2/3-25ft-to-30ft-catamarans-designs

Thanks you sir. Very useful. I didn't know about the mesh/release combo either.

As a Project manager and, at times, a production manager, I have tried, through many rants on these pages, to get the reality of these numbers through to amateur builders. Build a kayak, or a dinghy first. Try to get a handle on how much difference having skills makes in the quality and speed...

A few observations: -In the case of developable surface steel boats being near CNC cutting facillity can save tons of labor. That is of course available in Halifax NS and there are qualified welders at a reasonable rates. -Keep in mind that schedules are rarely accurate and you can usually...

Javier. If your are able to use CAD to draw, try this. Draw a line horizontally through the lower point extending it out 200 Next do the same with the upper point. Now take a dimension vertically between these lines. It will be 254. I think this will help you understand where the 300 comes from.

My solution would be a combo. Some faired and painted surfaces and some furred out with velcro attachment of Coroplast panels covered with your favorite fabric. Allows for wiring and alterations later. I've used this successfully before. Reduces labor and expense without getting that cheesy...

Wow! Great looking cat. It looks like you balanced function and beauty very well.

Sorry... I assumed it was roto molded. Regardless the kayak would make the best mold. No need to fear using it. Just take the time to tape and drape and use a good mold release agent. Build a dam on the deck around the edge of the well and make an upturn to connect to top part to. If you are...

First...I have to commend you on asking a question intelligently and providing good pictures to give us an idea what you are after. This is a complex mold best left to an experienced mold builder. However you seem game, so lets try and work through this. Something in your favor is that...

And your history in designing successful catamarans is......?

Brian They have more than one name that I've heard but we always referred to them as a "thumb". A cheek, a bolster and of course the general term for the landing of a "soft eye" is "the hounds".

Word on the street is that brand is unimportant, just be sure to ground the hat well with a wire to a good ground source. Use caution when plugging into a domestic outlet ground that you have the right hole! Though we have set out to end this thread sillier than it started I fear we have failed.

I'd say your people skills and your boating skills run about neck and neck. You've got Par sussed and you've got sensible boating concepts sussed. And yes that is sarcasm...I put it there to increase my post count. It doesn't really say anything about your input here.:rolleyes:

ElGringo...Yes the answer is simple if you have the skills to figure it out and are willing to cover the liability of drawing it for someone else. A simple attachment point like that can end a life or a whole family if it fails. The designer would have to know a considerable amount about the...

wow...all very nicely done Groper. I'm particularly impressed with your systems install. Nice job on the water maker. Doing a well thought out job on systems makes life so much easier later on when it comes time to actually use and maintain this stuff.

I had typed out a similar response to ElGringo but lost it in a crash. To add to 249s response, the best designers start out with a mechanical engineering degree, follow that up with a degree in nautical design from a place like Southampton, and have done a considerable number of sea miles on...

haiqu If you had any idea how absurd you sound to people that actually know this industry, you would be embarrassed. Seeing as you clearly don't know how much you don't know, and aren't about to listen to anyone, I guess we'll just have to be embarrassed for you. Have at it, show us how it's...

It is not as if one day it came to designers that foils on monohulls could contribute to righting moment. It was in their minds long before the uptip foil came into the picture. Also the current foils being TESTED on the open 60s have not been proven. (relax a second Doug and let me finish)...