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Found the answer after several phone calls On some types of sikaflex such as the laid deck filler as opposed to the sikaflex adhesive/sealant one that I tested the sikaflex neutralises the hardener...

I just coated my new timber deck with sikkens cetol natural teak and its has dried nicely on the timber if a bit dark but I don't mind that. Unfortunately on the sikaflex 291 filled joints it hasn't...

My centreboard is aluminium with a visible wood top edge and has to go in from the bottom. It has a L shaped slot so with the board with the leading edge vertical it clips in and over the fixed...

Looks fantastic. Enjoy sailing the boat. I am still sailing mine after 4 years and they are just easy fun boats to sail. Quick to rig and fast. Just take it easy as if you swamp them full of...

A frame bolted/glued etc securely fixed is nice and the preferred method, but that said you can stiffen a strong back significantly by increasing the depth of sections. Consider a strong back with...

one big difference betwen mahogany and amoora is shrinkage so you will need to encapsulate if water ingress is likely.

From my understanding the fijian mahogany is exactly the same species as honduran mahogany or south american mahogany. It was planted by the british and they have 70 sq kms of it. It can be sourced...

Ian and Mike
Thanks for the kind words. Les and I thoroughly enjoyed the raid and so did our partners who halffollowed the raid and half bushwalked elsewhere. 10.1kts down waves under reefed main...

Hi. I have just finished the tawe nunnugah raid and the hobart wooden boat show in my Coquina "Wizened". I can give you details of bouyancy I fitted that allows self recovery if interested. A...

Not sure if this helps but if I try to put normal varnish over two part glue the interface goes black. By normal varnish I mean single pack spar varnish etc. By two part glue I mean the standard...

I am not at home at the moment but the sole beams provide the stiffness by connecting across to the centreboard case. This triangulates the keel frame and sole beam with the case as a brace between...

It's looking good and you are well under way. I remember when I started doing the floors, frames etc it seemed like I was still miles away but then it just seemed to finish by itself and the next...

The good news is that another Coquina was launched at Port Stephens yesterday so we now have 3 boats that I know of in the water and yours is getting closer by the day.

Maybe a Nationals at the...

The photo of the centreboard doesn't look to bad. No need to suggest moving the pin a bit as I assume you have already tried that.

I am not keen on sanding fibreglass which was also part of my...

Looks fantastic. I just used an old prims camp stove for the steamer and it had plenty of heat input. It wasn't flash just a piece of an old aluminium mast I had lying under the house bashed over...

What I would do if I was you. So this is just my personal opinion is go sailing. If the leak gets too large then repair. Or if you get an opportunity to dry the boat do a small temporary repair...

An OK dinghy is another that can be purchased second hand very cheap. The class has changed to carbon masts so the older fibreglass boats with aluminium masts are cheap secondhand. And are built...

certainly captures the imagination. Its certainly radical, certainly a prototype. More of a experiment than a design. Good on him or her for putting in the effort.

PAR is absolutely right. This is a fun boat that a master skipper built for himself to sail as a fun after work boat or to take away on holidays to the Carribean. And dont forget he and his brother...

Yes, Definately leave the holes to last as you need to peen both ends of the copper tubes and the control line needs to clear the mizzen mast partner, the centre thwart knees and if I had built mine...

Mike

I used jarrah veeneered ply on the back compartment and trimmed with about 20 by 5mm mahogany. this means you have to cover the side deck to rear deck join along with another at the rowlock...

Mike

I believe you need to think of the rudder as more of a trim tab than a dinghy rudder like we know now which has significant control and is light to use. There is very little actual rudder...

Hi

After doing the various sided thing with the plane all I did was use the various sized PVC pipes and I am more than happy with the result. I think I could have done better but you would need...

Hi

I just scaled the rough dimensions off the spars plan showing the little wooden cleats and the sail plan I think from memory. Nothing is too critical I dont think and a bit more or less of an...

Hi

I didn't bother with the end rivets and haven't had any problems. I have sailed the boat for the last two seasons, many times in over 20kts. I think you are right about the splitting across...

I may be confused here and have misunderstood, but I was always taught that all corners were done facing forward and turned aft and then around was not how to go to the other side in gybes or tacks...

Yes thats another factor. Weight aft helps when sharp bowed, fat sterned, flat bottom especially chined hulls are in that uncontrolled round up position with the rudder losing traction. On a lot of...

IMHO all unballasted boats have a propensity for swimming because they all eventually fall over unless the skipper is able to balance the wind and wave forces. The only difference is in the...

Grey iron bark not the red iron bark was used many years ago for keel, frames and stems etc. It was also used for planking and decking on very large boats The advantage of grey iron bark is...

Yes, I think it is a very attractive boat and the swing keel with shalower draft appeals to me. Of course many people think the same as there are many replicas both traditional and modified...

Not quite sure that we call oregon out here is port orford cedar. What we call orgeon or sometimes douglas fir is PSEUDOTSUGA MENZIESII while port orford cedar is I understand CHAMAECYPARIS...

I may have accidentally caused a bit of confusion. Herreshoff specified white oak for all the structural components like stem keel frames etc but either 13/16th white cedar or what is a bit hard to...

Thanks for your comment. I am sure you are right and I should just make room and just get a band saw for resawing. It had been in the back of my mind, but I had just not convinced myself yet.
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Yes, thats my little boat at Hobart. Not presented very well as a nice harbour furl for the sails would look better. Diane and I sailed everyday. We just stepped the masts and rowed out under the...

Sorry I didn't correctly read your words first up. The boards I have are 142 by 32 mm so I am cutting them with a table saw that can cut to 93mm depth and then thicknessing. So 71 deep cut both...

I went to Hobart and there were no other Coquina's there apart from mine. I did speak to Ned Trewartha and he has built one. I thought he had built two but only one, for a person in NSW. I hope...

I am just using my thicknesser. It will get down to 3mm but can break the boards if there are defects as they are 142mm wide. 4mm is fine. The timber is select grade so is quite clear of...

I guess I would prefer to build traditional carvel planking for convenience and traditional look reasons but considering the time the boat will spend out of the water on my slip, in a container in...

Hi

I am about to start cold moulding the hull of a 26ft sailing boat with south american mahogany plantation grown from Fiji. The original design is 3/4 inch traditional carvel planking with...

Of course a nice aerofoil is better in performance. You will find exactly what PAR says about pointing is right. A Coquina with its gaff rig and flate plate swing board suffers on the beats and...

The slot is still the normal width. I have just glued and screwed timber to the top edge of the board that is left in the case when the board is down. So the board is still the normal width at the...

Hi

I used 10mm aluminium cut out with a normal electric cut off saw using metho as a lubricant. Goes through aluminium as easy as chip board. Then the edges were rounded with firstly an...

Hi

I dont have a lot of photos as I seem to get absorbed in building or sailing rather than photographing. Attached is a photo a friend took on launching day. Since then I have tidied a few...

Hi

I built a lapstrake Coquina following Doug Hylan's plans and using Reineck parts and it turned out to by a very nice boat to sail.

With the sheerstake I cut it out directly from Doug's...