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Old 08-08-2016, 15:24   #16
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Re: Expariance with home build Cats ?

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Originally Posted by 44'cruisingcat View Post

Very few people, building a boat they intend to take their family to sea on, will skimp on materials. .
Ha, thats not correct. People do skimp by using the cheap , nasty alternative of BALSA for the core.

Hey I shouldn't complain , because cutting out wet, mushy, balsa has proved
to be a nice little earner for me over the years.

Shovel maybe?
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Old 09-08-2016, 02:33   #17
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Re: Expariance with home build Cats ?

Wrong again. I chose balsa after talking to multihull designers, (as opposed to self appointed keyboard experts) who pointed out that end grain balsa has superior structural properties to foam in every respect.


Material Choices | Jeff explains composites


It's also a renewable resource.


Of course it must be kept dry. Which really isn't hard, with a bit of care and common sense.
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Old 09-08-2016, 02:35   #18
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Re: Expariance with home build Cats ?

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Hey I shouldn't complain , because cutting out wet, mushy, balsa has proved
to be a nice little earner for me over the years.
Doing what? Cleaning up after a model airplane manufacturer? Do you actually own a boat Catty?
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Old 09-08-2016, 02:39   #19
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Re: Expariance with home build Cats ?

I've spent a substantial part of my life building and repairing yachts and stink boats and I wouldn't use balsa, nor would I buy one. (wishful thinking)
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Old 09-08-2016, 03:40   #20
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Re: Expariance with home build Cats ?

Second thoughts ; epoxy resin makes a huge difference, secondly, Durakore and end grain balsa are not the same animal. Durakore does have low resin uptake, end grain drinks it.


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Old 09-08-2016, 19:01   #21
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Re: Expariance with home build Cats ?

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I've spent a substantial part of my life building and repairing yachts and stink boats and I wouldn't use balsa, nor would I buy one. (wishful thinking)
Don't let the secret out. Boatbuilders need the money.

Water always gets in. Eventually!
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Old 09-08-2016, 19:09   #22
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Re: Expariance with home build Cats ?

Can't do what the OP is requesting, from photos.

Suggest paying a local surveyor familiar with the boats type of construction.

Homebuilt in itself is not a problem with buying a boat.

Need to look at the design and construction. 😊
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Old 09-08-2016, 21:08   #23
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Re: Expariance with home build Cats ?

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Don't let the secret out. Boatbuilders need the money.

Water always gets in. Eventually!
Red Jacket is over 50 years old, and no water has gotten in yet.
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Old 09-08-2016, 21:52   #24
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Re: Expariance with home build Cats ?

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Doing what? Cleaning up after a model airplane manufacturer? Do you actually own a boat Catty?
Wow, Marine Service Provider. I suspect business is bad if you are that snarky with your customers. Whats the problem down there in Aussie-land?
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Old 09-08-2016, 22:55   #25
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Re: Expariance with home build Cats ?

No. The poster of the comment about wet mushy balsa has form for criticising everything and claiming knowledge on everything. I was simply calling him on his unsubstantiated and ill-informed attack. Business is great thanks.
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Old 09-08-2016, 22:59   #26
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Re: Expariance with home build Cats ?

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Wow, Marine Service Provider. I suspect business is bad if you are that snarky with your customers. Whats the problem down there in Aussie-land?
There's quite a lot of history you're missing there.
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Old 11-08-2016, 15:57   #27
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Re: Expariance with home build Cats ?

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Red Jacket is over 50 years old, and no water has gotten in yet.
Having now looked at the pictures of your build.
Very nice job by the way.

You are likely one of the ones that can get away with using balsa.

Digging out stuff, on repair jobs, that resembles, and smells like the stuff from a worm farm, has rather soured me on balsa.
I turned down a job that was just two fibreglass skins separated by mush. The owner could have spent more than building a new hull, and still not have a good boat.
When you drill a hole in a foam cored boat and buckets of foul smelling water come out it, it doesn't say much for that either, but at least the structure is still hanging together.

I admit that none of those boats were epoxy, and all were production boats.

A builder that uses balsa because it is cheap, is going to cut costs elsewhere as well.
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Old 12-08-2016, 04:20   #28
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Re: Expariance with home build Cats ?

Xtobbenx; have we covered everything ? Feel free to jump in and ask your specific questions. 😃


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Old 19-08-2016, 21:41   #29
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Re: Expariance with home build Cats ?

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Having now looked at the pictures of your build.
Very nice job by the way.

You are likely one of the ones that can get away with using balsa.

Digging out stuff, on repair jobs, that resembles, and smells like the stuff from a worm farm, has rather soured me on balsa.
I turned down a job that was just two fibreglass skins separated by mush. The owner could have spent more than building a new hull, and still not have a good boat.
When you drill a hole in a foam cored boat and buckets of foul smelling water come out it, it doesn't say much for that either, but at least the structure is still hanging together.

I admit that none of those boats were epoxy, and all were production boats.

A builder that uses balsa because it is cheap, is going to cut costs elsewhere as well.
The point is, balsa has advantages over foam besides price alone, whilst foam has advantages over balsa.

Builders who use polyester resin are cutting costs, there's no possible other reason. Even vinylester is arguably only used for cost reasons.
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Old 20-08-2016, 01:24   #30
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Re: Expariance with home build Cats ?

I dont think alot of contributors actually realize how many boats out there use balsa, lots of expensive boats at that. If a large number ended up as sponges do you think they would keep building them? As 44 says there are lots of advantages........ but nothing is perfect.

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