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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Tall rig boom measurement

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Harleyworker
1st Mate

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USA
73 Posts

Initially Posted - 04/09/2011 : 17:39:38

I installed a Bimini this weekend and was wondering if my boom is gonna clear it. My mast is down right now. Can someone with a tall rig measure from the cockpit floor to the bottom of the boom. I've searched thru the archives but can't seem to find this measurement, only ones with relation to the mast. I know there might have been a few variations through out the years, I have a 79 model with a sliding gooseneck but with stoppers installed virtually eliminating the sliding with the gooseneck captured just below the gate. So if someones has a tape measure handy and see what the boom is from the cockpit floor. Hopefully my Bimini is gonna clear. Keeping my fingers crossed.

Harley
1979 C25 tall/fin
Hull# 1246
"Mein Engel"

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 04/09/2011 : 19:12:59

If you purchased a 36" tall bimini and mounted it on the deck, not the coaming, the boom will just clear the bimini. If your bimini was mounted on the coaming, subtract the height of the coaming vs the deck where the mounting hardware is from 36" and compare that to the height of your bimini.
Sorry, I can't get to the boat this weekend.

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OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 04/09/2011 : 22:10:32

Eric, we're a few weeks away from launch - but I do know that the tall rig boom is 24" above the deck, at the mast. Maybe this will help.

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Harleyworker
1st Mate

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USA
73 Posts

Response Posted - 04/10/2011 : 08:42:25

Thanks guys, The Bimini I got was a used one and was off a pontoon boat, but it had the right width. I might make a 24" mock up of the mast and put a laser on it to shoot a line back to the cockpit. I have a quesy feeling that the bimini is too tall, it measures right at 5 foot from the cockpit floor.

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 04/10/2011 : 10:32:22

Hope for the best! The boom is high enough to just fracture the skull of an average person, but I just asked my 5'3" wife and she says that it would hit her. It will be close. Is the design such that you can shorten it a little?

Edited by - Dave5041 on 04/10/2011 10:34:56

Harleyworker
1st Mate

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USA
73 Posts

Response Posted - 04/10/2011 : 19:45:04

I can only shorten "easily" by about an inch maybe 2, after that it's not so easy. In my other thread I'm pondering a new main anyhow so this will probably be the final reason to get it. Looks like I'll be stepping the mast after all to get new measurements for a shorter luff. Still gotta rewire it first and install a steaming/deck light.

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cshaw
Captain

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USA
460 Posts

Response Posted - 04/11/2011 : 08:51:10

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Harleyworker
 I can only shorten "easily" by about an inch maybe 2, after that it's not so easy. In my other thread I'm pondering a new main anyhow so this will probably be the final reason to get it. Looks like I'll be stepping the mast after all to get new measurements for a shorter luff. Still gotta rewire it first and install a steaming/deck light.
<hr height="1" noshade id="quote"></blockquote id="quote">

I have a TR and also a bimini. My bimini is mounted to the top of the combing in the rear, and the side of the cabin for the forward bow. That allows it to be folded down and lay forward. It also allows me (6'1", #220) to slide in/out under the bimini from the side. Its tight, but I make it.

I did not want to end up with a smaller main (light air performance, etc.) so I put two grommets in the main. One is along the luff, about 9 inches up from the tack grommet. I also use it as a cunningham when the wind comes up. The 2nd grommet is about 9" up from the boom, but out on the leech above the normal clew grommet.

It was a very simple and inexpensive thing to do...

When I use the bimini, I simply take in a "Bimini reef" using those two grommets (its just like a regular slab/jiffy reef, but only about 9 inches high). The sail shape stays good, and the boom is lifted high enough to clear the bimini.

The bimini reef stays in most all the summer except when racing since the bimini is a way of life down here in Florida!!!

Cheers!
Chuck

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 04/11/2011 : 10:04:48

Chuck, do you use a reef hook at the tack of the main?

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cshaw
Captain

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USA
460 Posts

Response Posted - 04/12/2011 : 09:34:29

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by dmpilc
 Chuck, do you use a reef hook at the tack of the main?
<hr height="1" noshade id="quote"></blockquote id="quote">

Yes I do, that way the downhaul tackle can stay attached to the slide on the gooseneck

Chuck

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