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detailed fiberglass box construction ??
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<blockquote data-quote="Savant" data-source="post: 126311" data-attributes="member: 546108"><p>Do you have any expierence with 'fabric' versus mat? The site I'm looking at has 1 1/2 oz mat (no 2 oz) but there is no 'break' values listed like with the fabric/cloth. The 1 1/2 oz (per sq ft) mat is $5.15/yard and the fabric I was looking at is $4.90/yard at 7.5 oz/sq yd.. Does that mean the mat is 13.5 oz / sq yrd (9x the sq ft value to get sq yrd value)? Here is the fabric description:</p><p></p><p>Commonly called "Boat Cloth", this fabric is excellent for covering plywood, plug shapes, and moldless foam designs. 1-2 layers will waterproof and protect boat floors and roofs.</p><p></p><p>But, I'm thinking this is over wood. Would that be good stuff for building a box? It's a lot thiner than the mat (fabric is .011", mat is .045") so I would be able to keep more volume in my box (very tight fit where I'm building this)</p><p></p><p>Here is the link if anyone cares to look and offer suggestions for what would work well and still be cost effective..</p><p></p><p><a href="http://www.fibreglast.com/products.php?session=2c3783f90ba366efe1710071d8d94949&amp;area=4&amp;PHPSESSID=2c3783f90ba366efe1710071d8d94949" target="_blank">http://www.fibreglast.com/products.php?session=2c3783f90ba366efe1710071d8d94949&amp;area=4&amp;PHPSESSID=2c3783f90ba366efe1710071d8d94949</a></p><p></p><p>Another thing I was thinking was using that carbon fiber 'tow' (under the kevlar/carbon fiber link I think) to put some extra stiff in the layup.. figured I'd use the whole 10 yard roll since I'd not have anything else to use it for.. spread it out to a thin fan(ish) layer duing buildup.. The question I have about that is, is that 10 yards length of 1" rope? or 10 yards like the fabric (sq yrds I'm presuming, but that seems to be way too much for a 'rope')..</p><p></p><p>Also, I still don't really know how much coverage a 'yard' is.. or to figure out how many 'yards' of material I would need (I'm thinking about mocking up paper in the space that I'll be glassing, then trying to get sq ft.. then I'd have to convert that to yards, would that be 1296 in^2 per yard?)</p><p></p><p>Sorry for all the questions, but I'm very close to ordering stuff so I have it for next weekend so I can start building. I really don't want to get 1/2 way through and find out I don't have enough stuff, or finish and find I have tons of extra.. This project is already over budget since I bought some power tools for the wood fab I've done //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif</p><p></p><p>Thanks again //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="Savant, post: 126311, member: 546108"] Do you have any expierence with 'fabric' versus mat? The site I'm looking at has 1 1/2 oz mat (no 2 oz) but there is no 'break' values listed like with the fabric/cloth. The 1 1/2 oz (per sq ft) mat is $5.15/yard and the fabric I was looking at is $4.90/yard at 7.5 oz/sq yd.. Does that mean the mat is 13.5 oz / sq yrd (9x the sq ft value to get sq yrd value)? Here is the fabric description: Commonly called "Boat Cloth", this fabric is excellent for covering plywood, plug shapes, and moldless foam designs. 1-2 layers will waterproof and protect boat floors and roofs. But, I'm thinking this is over wood. Would that be good stuff for building a box? It's a lot thiner than the mat (fabric is .011", mat is .045") so I would be able to keep more volume in my box (very tight fit where I'm building this) Here is the link if anyone cares to look and offer suggestions for what would work well and still be cost effective.. [URL="http://www.fibreglast.com/products.php?session=2c3783f90ba366efe1710071d8d94949&area=4&PHPSESSID=2c3783f90ba366efe1710071d8d94949"]http://www.fibreglast.com/products.php?session=2c3783f90ba366efe1710071d8d94949&area=4&PHPSESSID=2c3783f90ba366efe1710071d8d94949[/URL] Another thing I was thinking was using that carbon fiber 'tow' (under the kevlar/carbon fiber link I think) to put some extra stiff in the layup.. figured I'd use the whole 10 yard roll since I'd not have anything else to use it for.. spread it out to a thin fan(ish) layer duing buildup.. The question I have about that is, is that 10 yards length of 1" rope? or 10 yards like the fabric (sq yrds I'm presuming, but that seems to be way too much for a 'rope').. Also, I still don't really know how much coverage a 'yard' is.. or to figure out how many 'yards' of material I would need (I'm thinking about mocking up paper in the space that I'll be glassing, then trying to get sq ft.. then I'd have to convert that to yards, would that be 1296 in^2 per yard?) Sorry for all the questions, but I'm very close to ordering stuff so I have it for next weekend so I can start building. I really don't want to get 1/2 way through and find out I don't have enough stuff, or finish and find I have tons of extra.. This project is already over budget since I bought some power tools for the wood fab I've done [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG] Thanks again [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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