Making wooden spreaders. Material? - Page 4 - SailNet Community
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post #31 of 49 Old 02-23-2014
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Re: Making wooden spreaders. Material?

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Originally Posted by christian.hess View Post
always good to have spreaders slightly angled up so you never have them slap down, made fast to the shoruds
They should bisect the angle made by the upper portion and the lower (vertical) portion of the shroud.
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post #32 of 49 Old 02-23-2014
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Re: Making wooden spreaders. Material?

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Originally Posted by Classic30 View Post
FWIW, I would never recommend using teak for spreaders - it's too soft and not directionally stable.
First time I've ever heard teak called soft.

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(After a down-pour, droplets of water hang around under the spreaders and soak in to bolt and screw connections, never getting a chance to properly dry out. For this reason, it's essential to seal the timber with CPES of some sort before painting/varnishing it.)
I figured that was it - the underside of spreaders is always the dirtiest part of a rig too.

Maybe we should put drip edge on ours here in the rain forest.

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post #33 of 49 Old 02-23-2014
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Re: Making wooden spreaders. Material?

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Originally Posted by SloopJonB View Post
First time I've ever heard teak called soft.
Well.. hit a chunk of it with a hammer and see just how much of a dent you get. Maybe it's just me, but personally, I just don't like the idea of using timbers aloft under compression that are easily damaged by flying blocks/shackles/pins/etc. I've seen chunks taken out of teak hand-rails (freshly varnished ones too!) that I certainly wouldn't like to see on the spreaders.

FWIW, my spreaders actually have a 3" long tapered stainless band fitted around the outboard end of them to protect them a bit.. I call it 'armouring'.

On that note, I think carbon fibre spreaders are a great idea.. just a bit too expensive for my budget.

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I figured that was it - the underside of spreaders is always the dirtiest part of a rig too.

Maybe we should put drip edge on ours here in the rain forest.

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post #34 of 49 Old 02-23-2014
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Re: Making wooden spreaders. Material?

theres some smart people on this thread! good stuff classic

ever notice how car rear view mirrors have little tear drop eye shapes on the bottoms of the frames?

take notice of some cars, they do this so whe it rains the water follows and slips into this little tear shape and then it flows into the wind...whereas no tear what happens is all the water gets spilled and flies into the windows or anywhere for that matter and makes more of a mess...

now this is my experience noticing these kind of things

apllying thise for example to spreaders(ash is a good wood btw) one could imagine making a spreader with nice little nipples to attract rain drops and have them gather and drop faster

what happens is condensation stays put really under spreaders...and in cool climates this happens a lot...in the tropics you dont since it dries up much faster but you have the added trouble of high humidity extreme heat, worms, rot whatever

anywhoo

just thought this would be a fun idea to through around

jajaja

peace

Merit 25 sold...Islander 36 still afloat? who knows...Im still in Columbus, and back...I think...jajajaja!!!!
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post #35 of 49 Old 02-23-2014
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Re: Making wooden spreaders. Material?

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Originally Posted by SloopJonB View Post
They should bisect the angle made by the upper portion and the lower (vertical) portion of the shroud.

no need yo get so fancy schmancy tecnhical there

but yes...I just call it slightly "up" jajajaja

thanks

Merit 25 sold...Islander 36 still afloat? who knows...Im still in Columbus, and back...I think...jajajaja!!!!
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post #36 of 49 Old 06-19-2015 Thread Starter
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Re: Making wooden spreaders. Material?

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Originally Posted by Argyle38 View Post
Argyle has spruce spreaders. They did suffer from some rot near the fixtures at the mast but I was able to address it pretty well penetrating epoxy.
Finally pulled the rig (and yes...I realize this is a old thread. It doesn't matter)!
There is some rot at the bases, however most of the spreaders are in great shape. I'm tempted to go the epoxy route. After all, I'll have to epoxy the new spreaders anyway.
Thoughts?
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post #37 of 49 Old 06-19-2015
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Re: Making wooden spreaders. Material?

Use a knife or punch and see how deep the rot is. If it's only superficial then epoxy should work fine. Too much rot on the socket end and the spreaders will sink into the sockets when pressure is applied.

I had to re-furbish mine this season. There was no rot, just discoloration on the socket ends. Lot's of old screw holes to fill and a few bungs but they're as strong as new in 1961. You can paint the top surface white enamel for better protection. It's easier to see rot through varnish than under paint.

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post #38 of 49 Old 06-19-2015
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Re: Making wooden spreaders. Material?

Coming from a gaffer background, I would choose fir over spruce nearly every time.I welded up some SS pockets the spreader wood set into. They swivelled with a big pin set at the dihedral angle thu a flange on the hounds .No trouble in 40 years but the sludge kept forming on the underside. Ratlines and a long handled brush the only real cure for that.
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post #39 of 49 Old 06-19-2015
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Re: Making wooden spreaders. Material?

As important as the wood is the grain. I chose vertical grain Douglas Fir. It is sold as stair tread lumber. A spreader is no place for goofy cupping and splitting. Paintingthe top sides white might save some epoxy and varnish grief if you want the natural look.

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post #40 of 49 Old 06-25-2015 Thread Starter
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Re: Making wooden spreaders. Material?

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Originally Posted by Argyle38 View Post
If you do go with a wooden spreader, use clear penetrating epoxy sealer (CPES) as a primer and use a lot of the stuff in any holes you have to put in the piece. If the spreader mounts to the mast with through bolts, fill the bolt holes with CPES by putting some tape on the bottom side of the hole, filling and letting the CPES be absorbed into the wood. Also, try to minimize any holes you have to put in to the wood. If something isn't going to be under loads, consider attaching it to the spreader with a medium strength sealant/adhesive like 4200 or 4000UV. If you do have to screw something in to the wood, screw the item down like normal, then remove the screws and fill the screw holes with CPES and let the epoxy cure. You can do a second application of CPES if you like. Then put the hardware back on the spreader but bed it down with butyl or a caulk like 4000UV, just like you would on the deck. The point is keeping any and all water out from between the hardware and the wood and especially away from that screw hole.
I'm going with spruce.
Use CPES instead of West 105/202 (for example)?
What paint should I use?
Bed all hardware including spreader tips? Doesn't the epoxy isolate the wood from water?
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