Thread: GIS Yawl

10-29-10 - a set on Flickr

We have finished the the mast locations and are ready to glue the decks down. There are additional comments with the pictures over on Flickr.

The mizzen location is on the starboard about 8.5 inches off the boat centerline and easily clears the tiller. I have added a fiberglass drain tube from the bottom of the box, thru the chine log and out the transom. This will allow the box to drain and allow a little water to slosh in/out when the transom gets submerged. This is a trade off of sorts but I can live with carrying a small amount of water around in the mast box verses having the mast base full of water when it sits on it's trailer. The mast itself will "seal" the tube pretty well when it sets in the step. The forward mast box has the same drain tube that runs into the "normal" step and then out.

I have been so busy trying to meet my deadline that I have not weighed the extra componets that have been added. My guess at this time would be less that 5 pounds, glue and wood, (2.2 Kilos). I will try to get a better figure to document those numbers.

Stay tuned for GIS yawl version #1 to get wet this weekend.

My own was to be finished in time for a Show, but a great work opportunity has come up right during the time I was to be finishing my construction.

All good things come to those who are patient. Cheers,
Clint

Yawl, ready to go!

(Anybody get the southern humor?)

This first GIS Yawl has been launched and sailed. There were no surprises with 4 people aboard. She handled the gusty conditions very well with the main 2nd reefed and full mizzen and then later under full sail. It holds the boat head-to-wind during sail changes. The mizzen is very quiet and pulls gently. In the gusts the boat did not round up any more than any other dingy I have sailed. We were able to drive down in the gusts easily with the mizzen drawing strong the whole time. With the main down the mizzen pushed us back to the dock while I manned the oars for steerage.

It sails!

I am surprised that the boat didn't feel weather helmy with all the mizzen up and 2 reefs in main. Good!

Clint

Well I think I have to congratulate the builder and also Clint who pushed and pushed about the yawl rig. It does look quite nice! Looking forward to some on the water shots of the rig! Well done John and family! Everyone must be pretty happy after so much family participation through the building. MIK

The first GIS Yawl has finished it's first 200 mile shake down cruise up the Texas coast. We are very happy with how the boat performed. We had no wind up to about 15knot gusts during the 5 day event.

We just rolled in and I am ready for a shower. Will post more details later.

What a great sailing boat!

Hi John

I grabbed your posts off the Texas 200 website

https://www.woodworkforums.com/f169/j...4/#post1171957

The Texas 200 forum is slowly starting to post pictures. I have to share this one because it is really pretty,

2 reefs, my 200 pounds and David's 96 pounds on the windward side of the boat, just look at that bow wake!

What a great pic. Just catching the swell there. She looks fantastic

Originally Posted by Compass Project

I am surprised that the boat didn't feel weather helmy with all the mizzen up and 2 reefs in main. Good!

Clint

The only time the boat had any significant weather helm we corrected it in 2 different ways.

1. We were having weather helm with the daggerboard about half way down, Pushing the board down all the way balanced the helm. We were sailing in very shallow water so we kept the board up as much as possible.
2. We found the following was causing what we though was weather helm because it sure felt like it. In light winds David would sit up by the mast. During the day the wind would build but David never moved aft. Someone on another boat said we looked "bow down" as we sailed by. The increased wind would drive the bow deeper into the water making it harder to steer. It felt like weather helm, but we were really just dragging the bow thru the water trying to make course corrections. After moving aft we got the bow just out of the water and GIR responded to helm changes far better.

If the bow is immersed the boat will have weather helm if heeled to leeward or lee helm if the boat is heeled to windward.

All pointy nosed boats with a transom do this to some extent ... but the goat is more sensitive to it particularly if you are crammed forward.

Also you can trim some out with the mizzen. I have noticed that ketch/yawl rigs do tend to get weather helm when reaching requiring the mizzen to be quite eased relative to the main. RAcing the Norwalk Island sharpies we always had to dump the mizzen in stronger gusts when going downwind to reduce the weather helm. I guess in smaller boats (and shorter events!!!) hte option would be to jump out and hike harder to keep the boat flat.

But you probably cannot be that active in a five day event.

MIK

There will be an article about the Texas 200 with a few paragraphs about the Goat and the set up with the mizzen, 'yawl' or ketch, whatever name you like. I like lug n' mizzen these days. The article will be in a winter issue.

When I am at Wooden Boat this week I'll be putting in some strong hints to cover some Storer boats, not just the Goat, since they know I am quite biased. Personally, I think an entire issue on Storer boats is in order.

My GIS is back in the shop, but I am out of the shop working (I need to do some blog posts about the interesting iconic places that have been the site of 'work'), so it will be an inch here and an inch there (or a few centimeters..) until the boat is done. I am still trying to find a sailmaker in Maine that impresses me as much as Stuart (a.k.a. Dabbler) does in Virginia. I want to keep business local but follow the quality where ever it is.

Cheers,
CLint

Good to have you back on line Clint! So much has been happening while you have been productively busy!