hot rod yacht

[ned]

Hi i am thinking of getting a small 18ft(5.5m) trailor sailor and souping it up by lightning the keel putting on 1.5m wings adding a bigger rig and kitting it out with asymmetric kites. this is all for a race up the coast of New Zealand called the Cosatal Classic. Does any one have any experance or ideas in this kind of area?

[Cheesy]

Buy a sport boat instead? You might have fun fitting into a particular class and being competitive, there will also be safety rules and a minimum length as well, Im not sure what these are....

[gonzo]

Wings are not really effective for speed. They make a boat with shallower draft and may cheat some rules. That is the reason they were invented for the AC. A deeper keel of the proper profile will allow you to have a taller rig. Then you will have to re-engineer the hull and deck structure for the added stress. The top speed will not be considerably more, but you will reach it at lower wind speeds.

[Paul B]

Originally Posted by gonzo

Wings are not really effective for speed.

Incorrect. Many boats over the years have used wings to enhance speed, from skiffs like the 18s to sportboats and even catamarans.

Originally Posted by gonzo

They make a boat with shallower draft and may cheat some rules.

Adding wings has nothing to do with reducing draft.

Please tell us what rules adding wings "cheat"?

Originally Posted by gonzo

That is the reason they were invented for the AC.

Wings were not invented for the AC. Why would you make something like this up?

[gonzo]

Wings only work under a rule. They were covered throughout the trials of the AC so they wouldn't become controversial until they were unveiled later. That is all in the history of yachting.
Paul B: If you disagree with my opinions or data say so. However, please don't start with your accusations again.

[Paul B]

Originally Posted by gonzo

Wings only work under a rule. They were covered throughout the trials of the AC so they wouldn't become controversial until they were unveiled later. That is all in the history of yachting.
Paul B: If you disagree with my opinions or data say so. However, please don't start with your accusations again.

You don't understand what the poster is talking about. Even if your definition was what he meant (it isn't) your commetns would still be incorrect. Wings as you define them were not invented for the AC, nor are they only useful under rating rules.

I wonder why you continue to post things that are incorrect?

[HReeve]

One of you is talking about wings added at the sheer strake to allow the hiking crew to get their weight out further (on a dinghy). The other is talking about wings added to the bottom fo the keel to reduce tip vorticies (on a keel boat).

[CT 249]

Aren't you talking about different types of wings? Isn't Gonzo talking of winged keels while the OP and Paul are talking about wing/rack extensions to the deck above water??

Re winged keels; Gonzo, with respect are they really cheating? Yes, the Connor camp called it cheating (IIRC) because if you measured a wing-keel 12 Metre with the boat heeled, the wing would increase the draft so that the boat would no longer measure. However, exactly the same thing applies to other parts of the boat. For instance, if you measured many boats heeled, their waterline would alter so that they would no longer measure. However, not many people call that 'cheating' these days. There are many similar examples from rating rules, so why single out the winged keel?

[Paul B]

Originally Posted by HReeve

One of you is talking about wings added at the sheer strake to allow the hiking crew to get their weight out further (on a dinghy). The other is talking about wings added to the bottom fo the keel to reduce tip vorticies (on a keel boat).

Ding Ding Ding Ding.

We have a winner. Choose any gift from the bottom shelf.

[Stephen Ditmore]

What's referred to as "TURBO-ING" among California ULDB sailors is giving the boat a DEEPER bulb keel of roughly the same weight as the original, or at least heavy enough to impart the same or greater righting moment; then increasing the rig (as you suggest, Ned).

Ned - could you please clarify what sort of wings you have in mind? And why not buy a sportboat already designed with high performance in mind? What's motivating your wish to make work for yourself?

[Paul B]

Originally Posted by Stephen Ditmore

And why not buy a sportboat already designed with high performance in mind? What's motivating your wish to make work for yourself?

If you look at crew.org.nz you will find there is a group of enthusiasts called the Hot Rod Fleet who are dedicated to just this sort of thing.

[Doug Lord]

You can "hot rod" a boat in a number of ways. Here's one of the hottest 26 footers in the world:

[Paul B]

Originally Posted by Doug Lord

You can "hot rod" a boat in a number of ways. Here's one of the hottest 26 footers in the world:

Please don't hijack this thread with your foiling madness.

There is no way the OP is going to modify his trailer sailer to resemble the boat you posted. He is looking to do an offshore distance race, something no one is going to attempt in the craft you posted.

[Doug Lord]

Here is another way to go fast in a small boat: http://t780.blogspot.com/ This boat uses a canting keel for lots of power.

Heres a 21' all out sport boat-found on Shaw site and a Stealth 7 with wings and a cabin:

[Cheesy]

Originally Posted by Paul B

Ding Ding Ding Ding.

We have a winner. Choose any gift from the bottom shelf.

What is that boat?

To the original poster; you will never be able to 'hot rod' a trailer sailor that small and get the gains I think you want, although a metre bigger the Shaw 6.5 is about the fastest small sport boat around at the moment. There are two big problems you will have to deal with, the weight of a trailer sailor is way to high, for instance the Shaw is under 300kg and then the hull shape will not be ideal for speed. Also what design were you thinking of? I cant think of anything that small.

If you do try and do it though Im thinking one of the plywood water ballasted Youngs would be the boat to start with.... Although it may be a better idea to just build an I550, they look like pretty cool wee boats and it probably wouldn't take too much to get a few people into building them

http://forums.sailinganarchy.com/ind...howtopic=72987