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 Catalina/Capri 25/250 Sailor's Forums
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 Simple No-Drill Bimini installation
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csmcg
1st Mate

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81 Posts

Initially Posted - 12/27/2021 :  18:54:42  Show Profile  Reply with Quote
Hello Everyone,

I know that the whole bimini thing has been done to death, but on the chance that I might introduce something useful to the conversation, here goes...

Linked are a couple of images of spring 2021 bimini install on our 2000 250WK #487 "Danu".
No-Drill Bimini


I used a couple of the open jawed stainless 1" clamps that Henk recently found and posted about: https://www.amazon.com/gp/product/B07PQXCQ57/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

I mounted two 100w solar panels. There is room to use larger panels but with these panels, the bimini folds up as-is and is stowable in the cabin for winter without much hassle. https://www.amazon.com/gp/product/B07TDK1KPF/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

All cuts (backstay) and holes (solar panel mounting points) were made with a soldering iron.

The seam for the backstay is closed with industrial velcro. The adhesive did not last so I need to come up with a better solution.

The bimini is a cheap version, but had surprisingly reasonable quality and was easy to work with. https://www.amazon.com/gp/product/B00YMLTB6M/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

At the back, I used a couple of cargo straps connecting the rear of the bimini to the catbird seat aft rails.

The front of the bimini uses the included straps. They are hooked to the same eye used for the forward connection of the cockpit lifelines. They are easily disconnected temporarily to make room for loading/unloading.

The bimini weathered several fairly strong thunderstorms on the mooring and survived without issue. So far, so good.

Regards, Chris



Edited by - csmcg on 12/27/2021 19:02:37

Steve Milby
Past Commodore

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USA
5696 Posts

Response Posted - 12/27/2021 :  20:56:03  Show Profile  Reply with Quote
Very nice!

I've tried adhesive backed velcro for applications inside and outside the boat, and the velcro grips so tightly that it pulls the adhesive off whatever it's stuck to. You could sew velcro to the fabric, but when used outside, velcro deteriorates in 2-3 years of sun exposure and needs to be replaced. Don't try to sew on adhesive-backed velcro. The adhesive gums up the sewing machine needle.

IMO the best solution would be to install a lapped zipper. The zipper on your trousers is a lapped zipper. The fabric cover not only looks nicer than a bare zipper, but it also protects it from the sun.

If you don't have a sewing machine yet, you should consider one for simple boat canvas projects. I have a light weight machine and a heavy duty Sailrite machine, but use the light weight machine the most by far. My light weight machine is a Brother CS 6000. It's easy to use and has a system that helps thread the needle. Once you learn to use it, you'll also find it handy for mending clothes occasionally and sewing on buttons.

Steve Milby J/24 "Captiva Wind"
previously C&C 35, Cal 25, C25 TR/FK, C22
Past Commodore
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csmcg
1st Mate

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81 Posts

Response Posted - 12/27/2021 :  22:02:47  Show Profile  Reply with Quote
Thanks Steve. The fabric on the bimini is probably within reach of the sewing machine that we have. I will give the zipper plan a try.

Regards, Chris.
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zeil
Master Marine Consultant

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Canada
1231 Posts

Response Posted - 12/30/2021 :  17:17:48  Show Profile  Reply with Quote
Love the simple installation, looks and serviceability especially the fact that NO holes need to be drilled... it is a great out-of-the-way platform for solar panels

Unfortunately the bimini tops are presently unavailable


Henk & Johanna
"Floating", a few off your "barnacles".
"Someday Lady" '95 C250WB #151 ('03 - 2016)
"Mariah" '96 C250WB #191 (2019...
"Lady J" '00 C250WK #499 (2021...

Edited by - zeil on 12/30/2021 17:31:59
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RPLieser
1st Mate

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USA
48 Posts

Response Posted - 12/30/2021 :  17:38:47  Show Profile  Reply with Quote
What's the stand-up headroom?

Patrick Lieser
C250WB #312
Knot My Fault II
Morro Bay, CA
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csmcg
1st Mate

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81 Posts

Response Posted - 01/07/2022 :  12:04:43  Show Profile  Reply with Quote
quote:
Originally posted by RPLieser

What's the stand-up headroom?



I'm not sure but the forward edge of the bimini _just_ fits under the clew of the boom.

I will measure when it is set up next.

Regards, Chris
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DelilahII
Deckhand

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USA
6 Posts

Response Posted - 01/20/2022 :  15:30:16  Show Profile  Reply with Quote
This is very similar to the design of the bimini that came with our boat, custom made by a shop in the puget sound. The seam for the backstay on ours is a typical vislon zipper in a large size.

I'd love any ideas for changes (or different designs) that would be better for trailer-sailing. It takes us longer to get the bimini assembled and set up than it does to raise the mast. Wrestling the bimini out of the cabin, or working around the bimini frame while it is stowed in the cabin, is also a huge hassle.

Catalina 250K MK II
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