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Author Topic:   Seeking advice re attaching Bimini to 13' (wood diagram question)
Highwater posted 10-16-2001 05:33 PM ET (US)   Profile for Highwater  
I am interested in attaching a Bimini top to my 13'. I have been studying the diagram at but—unless I am missing something—I do not see any wood in the top of the sides of the boat where a Bimini would attach. Please advise. Thanks.
JBCornwell posted 10-16-2001 06:53 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
Ahoy, Highwater. For a horizontal mount, use the wood strip "C" located under the lip about 6 to 8" below the gunnel. That is where BW installed the mounts. That is where the Bimini on my 13 was mounted.

For a vertical surface mount you could use plywood insert "H".

Good Luck,

Red sky at night. . .
JB :)

Highwater posted 10-16-2001 07:41 PM ET (US)     Profile for Highwater    
Thanks, JB. I looked through the pages of Cetacea to see if there was a 13 with a Bimini mounted to the wood in "C" or "H" but no luck. The only Bimini I saw on a 13 (page 42) seemed to be a horizontal gunnel mount where I assume there is no wood.

It is not a good idea for me to look at those pictures in Cetacea because every time I get stuck on page 28 staring at Clark Robert's 15' center console and I start thinking about what Big Shot said (15 is the woo) and I begin thinking of selling my Sourpuss.

Do you—by chance—have a photo of your 13 that you could send me which would help me better understand how I should mount my Bimini?


lhg posted 10-16-2001 08:11 PM ET (US)     Profile for lhg    
You should consider ordering an "official" WM Mills Co sun top for your boat. It will come with factory designed and located mounting instructions and fittings. All your questions will be answered.
Highwater posted 10-16-2001 08:31 PM ET (US)     Profile for Highwater    
Thanks, lhg. I checked out their site ( but did not see a price list so I will call them tomorrow. So far I have gotten prices of $160 for a generic Bimini with aluminum tubing or $800 for a custom-made Bimini with Stainless tubing.
Dr T posted 10-16-2001 09:48 PM ET (US)     Profile for Dr T  Send Email to Dr T     
My 13' whaler had a Bimini when I purchased it. The Boat (82) has a sport interior with a seat back for the rear seat and two mahongony side rails on the interior. The Base of the bimini was attached to the sides of the siderails near about 2 in. from the front. When mounted in this manner, when folded, the top of the bimini fit nicely into the curve in the interior around the anchor locker.

I removed the bimini when I refinished the wood in the boat in a not-very-pretty-but-very-practical-in-a-high-UV-environment paint. Some severe cracks had developed in the wood near the mounting points which I filled. Also, I never really needed to use the bimini in Texas, and always seemed to be stumbling over it.

Since I am interested in some other mounting strategies, please post what you find out. One thing about being up so high in Colorado is that you can really sunburn if you are not careful.

Samars posted 10-17-2001 08:08 AM ET (US)     Profile for Samars  Send Email to Samars     

I have a came with the Bimini...but there are no holes or attachment guess is it was never used....Now it's all dry rotted and well...looks like a new one is in order. I am also guessing that the diagram is not representative of the wood for a 67...any thoughts. The plan is to have it attached directly to the top of the sides (gunnels). Somewhere I read that it is possible I think it was a Jim article.

Anyway, I am also interested in any helpful hints fo this project (in addtion to what I already pulled off past threads and believe me as of now I have a library of 2 large binders of info...just ask Whaler Whalernut)

Highwater posted 10-17-2001 09:18 AM ET (US)     Profile for Highwater    
Samars, could you post the links to pertinent past threads & articles on this subject? Thanks.
Samars posted 10-17-2001 03:31 PM ET (US)     Profile for Samars  Send Email to Samars     

In looking is in the Maintenace topics on the front pages of this site...

where2 posted 10-18-2001 05:33 PM ET (US)     Profile for where2  Send Email to where2     
I would highly suggest the use of sliding tracks for the bimini rather than single mounting points. With sliding tracks, you gain the following advantages: several screw holes per side, rather than just 2, and adjustability. With multiple screw holes, you distribute the load into uncertain backing material. If you seal the track to the deck with 4200, you form a semi-permanent bond with much more adhesion than screws alone. If you use 5200 and a 4' section of track on each side, you could probably forget about the screws *ha-ha*. My personal favorite thing about having the bimini in a track on my 15' Sport is that I can move my shade forward and aft to be more accomodating to my guests.
Highwater posted 10-18-2001 07:36 PM ET (US)     Profile for Highwater    
I can see how the sliding track would provide the opportunity to get a firm bond. Using this technique, does one attach the straps to the track as well, or just the tubing?

The more I investigate Bimini tops, the more I want stainless steel tubing. Wm Mills and some of the other fine manufacturers make only stainless these days. But stainless tops are a lot more expensive than tops with aluminum tubing. For example, Wm Mills wants $527 for the top and $167 for shipping. Tops with aluminum tubing can be had for $160.

I came very close to ordering an 8' long, 35" high top from Overton's (item #39703DS). In aluminum, it is $235.99, comes with a boot, and, according to the salesperson I talked to today, shipping is only $16 (!). Stainess is $350 more. At the last minute I found out that in those diminsions it is only offered in marine vinyl (not Sunbrella) so I did not order it.

I was thinking that an 8' top would cover everything on the boat that I wanted to cover. It would come as far forward as the rope locker. I could someday attach an "Eisenglass" clear plastic curtain to the bow, which would act as a wind break. Is this a crazy idea? Does anyone else have an 8' top on a 13' boat? Does anyone else have an Eisenglass curtain on the bow to block the wind?

I planned on mounting the top on the side rails, as suggested by Big Shot. This would provide for a firmer mount that just screws in fiberglass, it would make the top only 54" wide so it would fold back nicely, and it would add a couple of inches to the height.

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