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  #31  
Old 06-23-2010, 01:57 AM
ned ned is offline
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i was looking at getting an old eighteen footer and building a cabin on top and giving it a keel. for you you could use the small rig, take off the racks, and add a keel
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  #32  
Old 06-23-2010, 03:48 PM
Cheesy Cheesy is online now
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Quote:
Originally Posted by ned View Post
i was looking at getting an old eighteen footer and building a cabin on top and giving it a keel. for you you could use the small rig, take off the racks, and add a keel
No, the small rig is still too big for that, you still need racks and or traps. The other problem is that adding a keel puts a lot of load on the rest of the boat that it wasnt designed for. I can sell you one if you want!
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  #33  
Old 06-24-2010, 11:28 PM
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stubby stubby is offline
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Quote:
Originally Posted by ned View Post
i was looking at getting an old eighteen footer and building a cabin on top and giving it a keel. for you you could use the small rig, take off the racks, and add a keel
Thats not really what I want. I want the challenge of designing the thing and if I ever have the cash maybe building one.
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  #34  
Old 06-25-2010, 02:45 AM
Sail IC Sail IC is offline
 
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Evolution vs. clean sheet approach.

I think very few even professional designs out there are a complete clean sheet design but rather an evolution of an existing design.

Given above, here is what I would do.

1, Do a detailed specificaion of your boat. This should include not only measurements but also what objectives your boat should fulfill, budget and material choices.

2, Search for exisiting designs/boats that come as close as possible to your target specifications.

3, Modify/combine the designs to get your final design closer to your target specifications.

As an example, this is how I got about for my last boat. Objectives:

- High performance sportsboat
- Be able to sail and race on club level single handed up to 20 knots wind
- Sail mostly single handed but also be able to take on a friend/child.

There is no exisiting boat that fulfills above objectives. I didn't want to build something (different from you), so I search for existing boats which I could do as small modifications as possible. In so, I listed some target measurements on the boat.

- Around 18 feet long
- Easily driven hull with as small sails as possible
- Self taking jib
- Gennaker with a chute (aka tunnel)
- Raced in original way with as few people as possible preferable two
- Self righting after potential capsize

After searching the market I found that the RS K6 came closest to above. I did following changes:

- Fitted a trapeze to equal original RM of two people hiking.
- Changed gennaker halyard and pole control lines to the bak of the cockpit

The result is a boat that is faster than the original and I can race it in tight manouvers including using the gennaker in wind speeds up to 20 knots.

Cheers and have fun
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  #35  
Old 07-01-2010, 10:29 AM
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goprisko goprisko is offline
 
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Use an aluminum plate for the CB...

INDY
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