radius limit of 5.2mm luan

Anything to do with mechanical, construction etc

Postby looped » Tue Apr 22, 2008 1:57 am

Trackstriper wrote:It sounds like you're going to make a really small trailer. Can you cut both sides from one 4x8 sheet?


i just reworked the plans tonight.. basically a complete redraw because i forgot to take into account the 1 inch for the roof and 2 inches for the floor so now the sides are 28 inches tall.

I believe Doug used a product called MDO (medium density overlay) for the sides of his latest trailer. You might look into this product as it appears to lay fairly flat compared to most exterior grade plywoods and it has a phenolic finish on the surface to begin with. This product can also be purchased pre-primed or pre-painted for a few bucks more, much of the prep work has already been done. Here's a link to my local supplier so that you might investigate these materials:

http://www.alumapanel.com/products.cfm?step=1&lines_ID=310

If you don't mind spending some money, you can get 4x8 sheets of exterior grade ply with painted aluminum factory bonded to the surface. Might be a nice way to go. You could consider just using painted .040 aluminum sheet for your roof and have an all metal exterior, pretty much ready for your color of choice...without a lot of surface prep that you would have with wood. Costs a bit more up front, and I have no idea what your budget is...but this is a small trailer so the raw materials might not kill the deal.

http://www.alumapanel.com/products.cfm?step=1&lines_ID=290

These products are available from sign supply distributors who supply the local sign makers with something to work on.


Thanks for the info on these, i really do appreciate the effort but they are a bit too pricy for my budget on this.. as a matter of fact i am nearing the point of taking a break from it to let the funds build up a little. ya know i have always said the tax check thing they are doing this year is nothing more than a gimmick to garner support for *****borderline political rant*** but that gimmick will come in handy when it arrives

As far as the "tileboard" that HD has...its not much. It might be able to be used for an inexpensive trailer but the stuff is pretty marginal and doesn't have much resistance to water, even though it sounds like it would, "tileboard" and all that. BTW, the low cost white HD tileboard usually has a textured backside, I'd rate it one step above cardboard. Lowes has a similar, low cost white tileboard that is much more like a tempered hardboard, with a dark color hard back side. Look at the product at each store and see the difference. I buy maybe a dozen sheets of this stuff a year to make stencils for painting, and I'd drive forty extra miles to by the Lowes over the HD. I think you'd be much better off with plywood. 1/8" birch might get the job done for a small trailer like yours, unless someone sat on it. :o


I took a second look at the tileboard while getting the corner braces tonight.. yeah i agree it is trash..

i am now thinking of using a combination of 1/4 luan and 1/8th birch on this one for the relatively flat sections and the other for the curves. the sides will be a sanded ply that is smoothed further with whatever is needed so skinning it wont be neccessary.

for spars i will be using 1x2 poplar and pine laying down. poplar for strength and pine in the low stress sections to knock cost down.

oh i will be using the foam insulation from HD or lowes there is the pink stuff and some blue stuff that both look to be able to work well. will just go with what fits the gap. this isnt so much for temperature control as much as to add structural "solidness" and to keep it from being so hollow. (sound etc)

will be uploading pics to photobucket here in a little bit. i am uploading updated pics to this as progress is made.

they can be found at http://s74.photobucket.com/albums/i253/ ... 20project/

also i have uploaded some onto the site as well.

William
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Postby looped » Tue Apr 22, 2008 2:34 am

heres pics of the redesign. i think this is the final one well i hope, seems a pattern is evolving here where each design gets larger.. this one 4 inches taller (making up for things not accounted for in the original) but also 5 inches longer.. hehe i kinda got grandiose with it once i reconciled to not being able to do the sides with just one sheet of ply.

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