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Old 02-03-2014, 07:48   #1
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Fiberglass vs Aliminium

Hello, I am considering to design a watercraft (3m hull), and I have doubts about the material: fiberglass or aluminium.

What do you recommend me? What are the main advantages and disadvantages of each material?

Thank you in advance.
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Old 02-03-2014, 08:04   #2
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Re: Fiberglass vs Aliminium

at 3m size i would reccomend niether!

plywood /epoxy is the way to go
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Old 02-03-2014, 08:04   #3
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Re: Fiberglass vs Aliminium

Depends on what it is...

Where it's used...

And what the primary use is....

Details please!
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Old 04-03-2014, 04:41   #4
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Re: Fiberglass vs Aliminium

I am considering the design of a watercraft (3m) hull.

Probably Aluminium is more suitable, but FiberGlass (or plywood/epoxy...) is more easy to handle it and cheapest.

It is important an stabilizing system Probably the attached design is atractive.
Hybrid watercraft - Oats, Graham H.

On the other hand, do you recommend another stabilizing system for the watercraft?
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Old 04-03-2014, 11:07   #5
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Re: Fiberglass vs Aliminium

I have heard that paint doesn't hold well on aluminum so you have to keep repainting the hull if you are not happy with the bare aluminum color. Is that true?
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Old 04-03-2014, 16:01   #6
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Re: Fiberglass vs Aliminium

True! but aluminium color is not soo important for the model.
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