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Old 22 March 2007, 19:10   #61
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Quote:
Originally Posted by Rogan View Post
Thanks for all the info! We'll have the boat flipped and the crack ground out on sat. I'll post some more pics then
That must hurt - having your crack ground out!!!
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Old 22 March 2007, 20:49   #62
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Zodiac Hurricane

Good luck with your repairs gentlemen, the eyes of Ribnet are upon you, do Chicago proud!
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Old 22 March 2007, 22:08   #63
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It's a good idea to finish with at least 2 layers of CSM if you finish with woven roving you will get print thru(you will see the texture of the woven roving thru the painted finish= print thru).

seeing as its on the bottom of the hull it wont really matter too much unless you are really concerned with getting a really good finish. thought i would mention it anyways. have fun grinding
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Old 22 March 2007, 22:11   #64
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The windy city is one of my favourite in the states. good people,good food and great music
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Old 25 March 2007, 10:10   #65
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We got the boat flipped and started cutting and sanding. To our dismay the crack is bigger than we thought. Most of the layers of glass and fiber have separated and thus we kept sanding out further. The crack goes right to the last layer.
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Old 25 March 2007, 15:25   #66
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No sweat! It's scary going at your baby with a grinder, but it's for her own good!

That's not a big deal at all... Just follow the previous directions on building up new layers of glass. It's not a big enough hole that you need to bother with trying to back it before you lay up the new glass. It's also not a big enough area that the structural integrity of the hull is in any question if you do a less than perfect repair, as long as it keeps the water out, which it will, don't worry! Just be sure to feather the area back far enough on the large one with the hole, and clean thoroughly with acetone or such before doing the layup.

I'd use a lot of chopped strand mat between starting & finishing with layers of woven cloth. Get the glass layers close to the level of the finished surface, let it cure, then sand lightly or scuff with Scotchbrite (using epoxy, right?), clean again and fair with Microlite or whatever. Sand the filler smooth before painting. 4-5 layers of glass will likely be enough for the strength you need, more if necessary to build up the bulk to the level of the original surface.

Looking good so far, keep us posted!
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Old 25 March 2007, 19:09   #67
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Well I completed prepping the crack and the rest of the hull today. I am itchy and orange, very very labor intensive, good thing it was sunny and 75 degrees Thanks for the response dtucker. I plan to do the layup as you have described this next week. I will use west systems epoxy resin with layered mat and cloth then I am going to fair the majority of the hull and then lots and lots more sanding. We will post pics
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Old 25 March 2007, 20:53   #68
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Thing one and Thing two hard at work...

Its a good idea when you are grinding to wear a dust mask guys, keeps it out of your breathing passages... just a thought.. Make sure you make that repair "Rogan Aerial Proof" if that's humanly possible, it may not be. Hey just so us spectators know who runs the boat harder? I've got to think it is Rogan but maybe it was Birnie in a lot of those pics. Clarification please?
By the way I have a demented habit of nicknaming people, you may have noticed the "Wild Thing" moniker I have attached on occsasion to Rogan? Well think Dr. Seuss... The two wildest characters he had was... Thing one and Thing two! They would arrive unannouced, tear everything up while they were there, then left it good as new when they left, kind of what you guys do on Lake Michigan. Hope you guys are not offended, it kind of fits I think...
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Old 26 March 2007, 09:00   #69
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Hey Pathalla, most of the pics you have seen were taken by Rogan so the guy who was driving was me We love being able to head out of the harbor when all the other boats are being forced in by rough conditions. So yes I am trying to make this repair as strong as absolutely possible. "Rogan and Bryan Aerial proof"

Thanks for the concern over using dust masks, I had one on the entire day yesterday and judging by the amount of orange crud on it Im glad I did. I am also big on eye protection, a few months ago I did a quick repair to my cars intake and managed to shoot a tiny piece of metal into my eye. Learned my lesson the hard way.

Nicknames are fine, Rogan and I have more than a few. We are often referred to as the "Crazy Birnie Brothers".
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Old 26 March 2007, 09:44   #70
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Quote:
Originally Posted by BBirnie View Post
Well I completed prepping the crack and the rest of the hull today. I am itchy and orange, very very labor intensive, good thing it was sunny and 75 degrees Thanks for the response dtucker. I plan to do the layup as you have described this next week. I will use west systems epoxy resin with layered mat and cloth then I am going to fair the majority of the hull and then lots and lots more sanding. We will post pics
If I were you, I wouldn't kill myself to make the bottom perfectly fair. Cosmetically nice would be good enough for me -fill & sand most gouges and scratches. It could just be me, usually doing this sort of work on racing sailboats, where it MUST be perfectly fair and wetsanded to 1600 grit. Ugh. I have a particular perspective...

With 50 horse pushing you around, you don't need to be so fussy. You won't notice a couple of tenths of a knot of speed from a perfect fairing job. It's not like it's a visible area either, like the topsides of a hard boat or sailboat where you want to to finicky for appearance sake. The bottom's either under water, or one needs to crawl under the trailer to appreciate the amount of work that you've put in!
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