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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Can I remove this with concern???

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djn
Master Marine Consultant

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USA
1561 Posts

Initially Posted - 11/26/2006 : 15:01:08

Hi All, I ALWAYS bump my head on the cross member that holds the head acordian door up and want to get rid of it. We do not have the door any long. This is the only picture I have of it. This is the first picture I took before I bought the boat. It is the piece above the first passageway. Cheers.

Dennis
No Boat
S.E. Michigan

Edited by - on

Champipple
Master Marine Consultant

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USA
6855 Posts

Response Posted - 11/26/2006 : 15:36:11

Yah, pull it it provides zero structural anything. More importantly fold your sails before you take the life out of them with unneeded creases.

Edited by - on

OLarryR
Master Marine Consultant

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USA
3477 Posts

Response Posted - 11/26/2006 : 16:14:23

That is quite some photo ! It's kinda like taking a photo of my bedroom at home.
...One thing, though, .....who is the guy under the sail pile and is that the invisible man trying to pull him out ? or...is the guy under the sail trying to pull the invisible man under the pile ?

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djn
Master Marine Consultant

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USA
1561 Posts

Response Posted - 11/26/2006 : 16:28:00

That picture was taken the day before I bought the boat. The first thing I did was take the sails to the local sail shop and had them washed and inspected and a second set of reef put in. To my surprise, the guy at Kent Sail said with delight.."I just made these last year" The boat was under a couple inches of snow...thus the gloves. Cheers.

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Champipple
Master Marine Consultant

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USA
6855 Posts

Response Posted - 11/26/2006 : 16:34:34

Hey - before you pull that peice of wood, are you talking about the track that the doorlike thing was on, or the actual wood from the hollow compression post to the sink area?

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djn
Master Marine Consultant

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USA
1561 Posts

Response Posted - 11/26/2006 : 17:25:05

I am talking about the wood piece that goes from the compression post over to the starboard bulkhead. I took the track off long ago. Cheers.

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Champipple
Master Marine Consultant

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USA
6855 Posts

Response Posted - 11/26/2006 : 19:14:38

My gut says it has no function other than aesthetics....

If it were my boat, I'd pull it. My advice though would be to let one of the other structural engineering types to tell you if it does anything

Edited by - on

cat1951
Admiral

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USA
636 Posts

Response Posted - 11/27/2006 : 08:20:29

We still have the curtain on our 25, so I am going to keep mine in place. If you ever want to replace the curtain and use it, it was suggested to me that you put a piece of water pipe foam insulation over it. I have gotten used to the short cabin height in all areas but this one. I hit my head in the same spot everytime I go forward. Doesn't matter if I hit it just 5 minutes before, I still hit it.

I will be adding the insulation on my next trip to the boat.

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frog0911
Master Marine Consultant

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USA
1349 Posts

Response Posted - 11/27/2006 : 09:10:30

Ah, the infamous "General's Head Banger". She would hit this thing on the orginal Penny everytime She went forward and use to complain constantly about it. The problem was the banger was just above Her eye level and She just would not see it. The solution was simple, just stick three jib teltales evenly spaced across the banger so that they hung down in front of Her face and wala no more head banging.

Edited by - on

jerlim
Master Marine Consultant

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USA
1484 Posts

Response Posted - 11/27/2006 : 12:00:21

I suggest the beam serves two purposes:
1 - As a compression member providing lateral support to the column beneath the mast
2 - And as a beam providing support to the top
I advise to leave it installed. If it were purely decorative, Catalina could have used a much less structural member.
The pipe insulation works wonders.
Best - Jerry

Edited by - on

Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 11/27/2006 : 12:47:20

I will take mine out and let you know. I have only left it in to provide a race for my speaker wire.
IMHO I honestly question the presence of any of the bulkheads. Our boats are an effective monoqoc (sp) structure and if the chainplates did not need a place to bolt to I think the bulkheads could be tossed and you would die from other reasons long before you died from structural failure. I think the size of the material has to do with making the curtain track parallel with the floor and nothing more.

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oldsalt
Admiral

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USA
578 Posts

Response Posted - 11/27/2006 : 16:03:22

I too believe that that piece of wood provides lateral support to keep the compression post from shifting. You might be able to remove it without the compression post shifting since the post is under considerable compression which would tend to keep it in place, but I wouldn't.

I've noticed some discoloration on the bulkhead next to the upper end of the compression post and I'd check to see if it's been caused by a leak though the tabernacle or the screws that hold it in place.

Good luck with your new boat.

Mark

Edited by - on

dblitz
Navigator

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240 Posts

Response Posted - 11/28/2006 : 02:38:32

Can a wedge on a curved surface be acting as a compression member? Wouldn't that mean that the screws holding the piece are doing all the work? What's more, would a compression post sized to need lateral support need it on the end or, more likely, in the middle?

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oldsalt
Admiral

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USA
578 Posts

Response Posted - 11/28/2006 : 05:15:36

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by dblitz
 Can a wedge on a curved surface be acting as a compression member? Wouldn't that mean that the screws holding the piece are doing all the work? What's more, would a compression post sized to need lateral support need it on the end or, more likely, in the middle?
<hr height="1" noshade id="quote"></blockquote id="quote">

Yes,the wedge, as installed could well act as a compression member.

The minimal lateral support it may provide might prevent the post from slipping out of position rather than to prevent flexing of the post itself.

If it were my boat, before I removed it, I'd contact Catalina to ensure that the cross piece wasn't put there to help keep the compression post from working itself out of place under dymanic loading.

I'll bet that more than a few of the headknockers have been removed without any obvious effect but I'd check with the factory anyway.

Edited by - on

crcalhoon
Captain

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USA
303 Posts

Response Posted - 11/28/2006 : 11:54:38

I just removed, re-finished and re-installed the one on my 1979 SR FK. I found nothing to indicate that it was holding or supporting anything. It is screwed through in three places straight into the overhead and only two of the screws on mine were actually grabbing. I suuppose it is just feasible that it does provide some lateral support to the compression post, but I don't think so. Be interesting to know for sure though.

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OLarryR
Master Marine Consultant

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USA
3477 Posts

Response Posted - 11/28/2006 : 13:06:55

My feeling is that it giives a bit of support for the decking above so that the decking does not flex when standing on it. i remember an old sailboat I used to have - a Luger 16 built from a kit by a PO. One day when on it's cuddy cabin, i heard the wood member incased in the fiberglass snap. The decking did not give way but the decking was a bit more flexible there because the wood member gave way.

One thing we appreciate in the catalin is the solid deck. That would is probably just one way the deck feels as solid as it does. removing that center wood piece probably will not effect the deck that much structurally but believe it is there as part of providing support against the deck flexing a bit.

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