Heeling Angles for Small Trimarans Under 20’ 0” LOA

[joz]

Would designers/builders (or anyone else knows) list their trimarans heeling angle for up to 30 knot wind speed for their boats from 12’ 0” to 20’ 0” (for all points of sailing excluding down wind run and pointing into the wind when the trimaran will be upright position) so potential clients can choose the type of boat that meets their heeling tendencies.

Here are some boats that come to mind

Scarab 350 (12’ 0”)
Asus 14.1
Gnat (14’ 0”)
Sea Strike 15
Weta
Asus 16.1
Kurt Hughes 16' Trimaran
Scarab 16
Sea Strike 16
W-17 (17’ 0”)
A18T
Asus 18.1
Cross 18
Magnum 18
Sailbird 18
Scarab 18
Tri-Star 18
Access 6
Searail 19
Trikala 19
Asus 20.1
Europa 20
Seaclipper 20


Here are some attachments to get an idea on what I mean

 

[Doug Lord]

Heeling angles

Here is a thread that might go along with this thread. The problem is that few if any tri's under 20' are designed to fly the main hull so this is just for reference:
http://www.boatdesign.net/forums/multihulls/trimarans-angle-heel-main-hull-takeoff-39553.html
My 18' "Dream Flyer"(not built) was designed to fly the main hull in 5-6 knots of wind at a 13 degree angle of heel. That would be her angle of heel thruout the wind range.

 

[Richard Woods]

On most multihulls under 35ft, and especially the ones that interest you, crew weight and placement makes a huge difference.

So if you hike hard with a full crew you can heel to windward in many conditions. It's a good idea to have the outriggers kissing the surface to minimise drag. Probably windward heel is better than heeling to lee

That doesn't answer your question though, because it "all depends" but maybe you can say why you asked it?

Richard Woods of Woods Designs

www.sailingcatamarans.com

 

[ThomD]

I agree with what RW said, we can sail our 23 dead level in some situation, just by running a person out into the wind, or as he says actually heeled into the wind. Kinda like having one's own Ocean Surfer.

My sense on smaller boats, is they tend to be narrow, have high placed amas, and heel a lot. If you are against that kind of thing, look at a Hughes. Also, you could play with it on a Hughes by just extending the tubes. Some of his boats are square. I am not necessaries advocating this, just saying he tends in that direction.

I remember when it first hit me that mutis did not always heel much, I was disappointed, wanted to heel as bikes do, vs trikes.

 

[joz]

but maybe you can say why you asked it?

Richard, Thanks for your reply sorry for the long delay in replying.

At the sailing club that I am at there are some members that are looking into the concept of owning and sailing their own trimaran, possibly me included. However some of us are not young men anymore or skinny lol and is looking at boats that heel less than the monohulls that is currently being sailed (5 to 10 degrees on all points of sail and preferably to stay inside the main hull rather than going to the outside hulls) and also to either build or buy (preferably build and maintain and easy to sail)

The wind conditions that we get is from 5 to 25 knots and rare occasions 30 knots but our main conditions that we sail in is between 5 to 20 knots and that’s up to each individual sailor.

Q. Also does by having a longer outer hulls provide more stability overall (less heeling) as apposed to shorter hulls?

Q. Does it pay to have some sort of curved daggerboard or some sort of curved fixed keel like you see on some other boat to be able to reduce the heeling or not on the outer hulls, or does the outer hulls have to be angled to make it more stable?

 

[Corley]

You might like to add the Warren Ultralight 20 to your list. Ted's design has little dihedral so low levels of initial heel and is very light but moderately priced.

http://www.boatdesign.net/forums/multihulls/ted-warren-new-ultralight-20-trimaran-44502.html