Dimensions spreaders

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kurz
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Dimensions spreaders

Post by kurz »

Hello
I want to replace the spreaders at my :macm: 2011.

Are these dimensions correct?
long +/- 110cm, outer diameter 25mm, wall thickness 1.5mm

Thanks!!!...
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Cougar
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Re: Dimensions spreaders

Post by Cougar »

Hi Kurz,

As you know, I have an :macx: , so I don't have the answer. But just out of curiosity: why would you want to do that? Are they damaged?
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Jimmyt
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Re: Dimensions spreaders

Post by Jimmyt »

Mine measures about 25.6mm O.D.; I'm betting on 1" O.D. Tube since it was made in the U.S. 110 cm (44 inches) looks about right, but I didn't take it apart to check (bolted and covered with riggers tape - sorry), so don't trust me on this one. I'd make sure the I.D. Matches your insert O.D. - Since mine is a different year from yours.
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Tomfoolery
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Re: Dimensions spreaders

Post by Tomfoolery »

Most :macm: boats use the same spreaders as the :macx: boats at 44" long, though a few had shorter spreaders at 40". OD is 1" (tube is specified by OD and wall thickness, unlike pipe), and according to the Suppliers Corner on the MacGregor website, has a 1/8" wall. That sounds rather thick to me, but if you measure the OD of the end cap, you can confirm whether or not a 3/4" tube ID will work. I used some tube from Lowes, and the wall is much thinner, though I don't remember just how thin. The cracked and mangled spreaders that were on it when I got it have 1/16" wall thickness - I kept them for projects. 1/8" wall seems awfully heavy for such a short spreader with so little load on it.
innervations
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Re: Dimensions spreaders

Post by innervations »

One of my spreaders is bent. Anyone tried replacing with carbon fiber?
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DaveB
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Re: Dimensions spreaders

Post by DaveB »

Bet they bent 6-10 inches away from mount.
Get new spreader from BWY and add a 12 inch wood dowel inside the spreader.
Problem Solved.
Been there, done that 7 yrs ago.
Dave
innervations wrote:One of my spreaders is bent. Anyone tried replacing with carbon fiber?
innervations
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Re: Dimensions spreaders

Post by innervations »

Yep. Only the one bent so will replace and go with wooden down in both. Thanks for the tip.
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Highlander
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Re: Dimensions spreaders

Post by Highlander »

Tomfoolery wrote:Most :macm: boats use the same spreaders as the :macx: boats at 44" long, though a few had shorter spreaders at 40". OD is 1" (tube is specified by OD and wall thickness, unlike pipe), and according to the Suppliers Corner on the MacGregor website, has a 1/8" wall. That sounds rather thick to me, but if you measure the OD of the end cap, you can confirm whether or not a 3/4" tube ID will work. I used some tube from Lowes, and the wall is much thinner, though I don't remember just how thin. The cracked and mangled spreaders that were on it when I got it have 1/16" wall thickness - I kept them for projects. 1/8" wall seems awfully heavy for such a short spreader with so little load on it.
Gezz Tom
I was pretty sure the X spreaders were only 36" long , my M spreaders r 44" long , but I know there was a spell the M spreaders were only 40" long not sure if that was the earlier model M,s but pretty sure it was , but there has been a few posts on that subject with all that discussed & all the diff. measurements before , so should not be too hard to find in a search on this site

J 8)
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kurz
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Re: Dimensions spreaders

Post by kurz »

Thanks. The length is not critical, I can just cut to make it ok.

My only concern is the thickness of the wall, if it is 1.5mm.
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Tomfoolery
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Re: Dimensions spreaders

Post by Tomfoolery »

Highlander wrote:Gezz Tom
I was pretty sure the X spreaders were only 36" long , my M spreaders r 44" long , but I know there was a spell the M spreaders were only 40" long not sure if that was the earlier model M,s but pretty sure it was , but there has been a few posts on that subject with all that discussed & all the diff. measurements before , so should not be too hard to find in a search on this site
Mine are 44", and BWY says they're 44". Maybe you're thinking of the 19?
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Jimmyt
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Re: Dimensions spreaders

Post by Jimmyt »

Kurz,
Didn't see that you had a definite answer on thickness, so went downstairs and took an end cap off and checked. My 2013 spreader tube measures 1.69mm and is probably a nominal 1/16" wall thickness. It's a little burry at the end, and hard to get a good measurement off a ladder, so hope you'll spot me the .09.

Good luck on the repair.
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kurz
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Re: Dimensions spreaders

Post by kurz »

thanks @ all!
I orderd now 25mm * 1.5mm, thats what I can get here in EU...

Maybe I will not put the wood inside against bending... becouse then the load will go to the tube attached at the mast... And this part is not so easy and cheap to replace.
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Re: Dimensions spreaders

Post by Highlander »

kurz wrote:thanks @ all!
I orderd now 25mm * 1.5mm, thats what I can get here in EU...

Maybe I will not put the wood inside against bending... becouse then the load will go to the tube attached at the mast... And this part is not so easy and cheap to replace.
Personally I doubt u r gonna break that S/S mast tube brkt or the mast if u should hit something hard enough I think the spreader will still give way even if it is filled with a wooden dowel , if u install a 8-12" wooden dowel it will just bend @ the end point instead of @ the mast brkt

J 8)
PS I bought 48" wooden dowel,s to install inside my spreaders the full length , but just never got around to it yet :(
charliefdt
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Re: Dimensions spreaders

Post by charliefdt »

In EU it is possible to order 25x3mm aluminium tubing and very easy to get 25x1.5mm and 22x1.5mm ones. These would fit snugly into each other to have a stronger than stock spreader. The tube in tube option can also be used to make the spreaders telescopic if not concerned about the segment at the tip being only 22x1.5mm.

I've just ordered tubing and I will experiment a little bit since I got so much extra (minimum order is a 6m tube)
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Re: Dimensions spreaders

Post by Newell »

Spreader length and wall thickness has been discussed ad nauseam. My 96 X stock spreaders fell off, simultaneously, when lowering the mast many years ago after several days of high winds on Lake Mead, NV. Roger replaced and I have replaced and shortened them twice since then. The shorter spreaders solve several issues and look better. The 1" thick wall stock is available and a DIY project.

:macx: Fast Sunday, 89 D Windancer, 92 S Maxin Relaxin, 1 boat too many.
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