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Case Made Out of Hard Styrofoam - Page 2

post #11 of 15
Quote:
Originally Posted by MainStageNews View Post

So far it seems most of you don't really like the idea, or are you guys just weary because it hasn't really been tried?

I like the idea, but I don't know if I would want to pay for this. In my mind, this is more of an idea for building something myself.
post #12 of 15
Thread Starter 
Alright, i found this chart for coductivity http://www.engineeringtoolbox.com/thermal-conductivity-d_429.html to be honest im not 100% sure on how to read it and I dont know if a higher number is better or a lower one is but styrofoam has a number of .033 while oak has a has a number of .17 can someone help to clarify., im guessing it means what we already know.
post #13 of 15
I read it just like you. There are a bunch of metals in that list. Those have a very high number. There's "vacuum" in that list, and that entry has a perfect zero. That convinces me a lower number means less conductivity.

There's epoxy in that list, and its number is pretty high despite being used for insulation in electronics. It's higher than wood and various plastics it seems. Styrofoam should be totally fine.
post #14 of 15
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post

The case material generally has very little impact on component temperature assuming decent airflow.
Less trees wasted... but now you have something that requires more chemical and that will eventually last centuries in the dump.

One shipping costs is not a big deal.... it's really the combination of size and weight that makes shipping expensive. A 10lb large box costs about the same to ship as a 30lb large box.
It's also hard to further modify the case without cracking it?
Good points and this was just an idea most of your statements a gave a thought to, especially the modding part of it. It was just an idea one that I wasnt to fond of when I first heard it but I just thought I would get some of your guys's opinions. Just like I thought most of you guys think its a neat idea but wouldn't necisarily be will to buy, i may just end up sticking to wood.

Ive thought about shipping it in parts to reduce costs but then you MAY have to deal with problems with people not being able to put it together. But i was thinking about shipping it with an instructional video so it would be easy to assemble.
post #15 of 15
I'm not 100% sure what type of foam you are talking about, but I have worked with quite a few different kinds of foam for prototyping. Most people think of the white packaging material when they think of Styrofoam and that would be pretty much useless for building anything that needs accuracy for strength. Large pink/blue foam sheets that are used for insulation are better, but still it is difficult to get a smooth finish on them and isn't very strong, I wouldn't recommend this either.

The type of foam I would recommend for this is a very dense yellow/green polyurethane foam. This foam is very dense and extremely strong as far as foams go. It can be cut and shaped with pretty much any wood working tools, files, sandpaper etc. I have even used dremels, power sanders, and I've seen it put on a lathe with great results. You can use most paints and finishes on it and get it looking very good, someone wouldn't even think its foam if you spent enough time surfacing it. The only drawbacks are that this stuff is not cheap at all, much more expensive then would, and it is very hazardous, wear a mask/respirator while working with it.

Not sure what type of foam your dad has, but if you had a picture I might be able to give some insight into how it would work.

Thus being said foam is really only good for prototyping. In this case of a desk I could see it being useful for making small scale mock ups maybe 1/10 size, but balsa would would probably be even better and cheaper. I can't really imagine a desk made primarily out of foam, the biggest issue I see would be with fasteners. Bolts and screws would just pull through the foam unless you had massive washer type things and it still wouldn't be very ideal. If you try to make it one huge solid piece with a lot of supports then your desk is gonna cost a fortune to ship even if it weighs 5lbs. When you go into best-buy and buy a desk the box its goosing to come in is probably less then 3 inches thick.

I don't see foam being a good solution.
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Intel Core i5-6600 MSI H110I Pro Nivida GeForce GTX 1080 FE G.SKILL Ripjaws V Series 
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HyperX Savage 2.5" 240GB SSD Windows 10 Home ASUS PB258Q 25" 2560x1440 Logitech G610 
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