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TheChiScientist wrote:

MattChina wrote:

TheChiScientist wrote: It's pretty good but there are other products that contain a higher R-value vs the 4.2 of EPS... (And they are easy to acquire )

XPS foam?

Something that's even better. (But that's also a good option)

VIP?

MattChina wrote:

TheChiScientist wrote:

MattChina wrote: XPS foam?

Something that's even better. (But that's also a good option)

VIP?

Lol no. Technically that breaks the vaccum rule...

Jacobi wrote:

UTF-8 U+6211 U+662F wrote:

Maria.S wrote:Thermo is a great event for all who like studding heat and cold.

I'd just like to point out that it doesn't just involve hot and cold but also the nature of energy, gas theory, etc.

But thermodynamics is pretty cool.

It's also pretty hot.

That aside, is aerogel viable in your opinion?

Aerogel is a great material, but the biggest problem is that you need a way to make a sleeve for the beaker that doesn't diminish the insulating properties of the Aerogel itself.

Polyurethane foam is pretty good, plus it's not affected by the moisture.

wxyz wrote:Polyurethane foam is pretty good, plus it's not affected by the moisture.

Bingo. Give this man a noble prize.

It has to be closed cell, open cell will just absorb water. Problem is that it can expand as altitude increases, which was problematic last year since nats was in Colorado.

wxyz wrote:It has to be closed cell, open cell will just absorb water. Problem is that it can expand as altitude increases, which was problematic last year since nats was in Colorado.

Ah, thanks!

I might just stick to EPS/XPS foam anyway, as it's less hassle though... I guess we'll see how important the build is going to be.

What are the Stuff That I can't use in this year's Thermodynamic Competition(2019). Also What are some good materials I could use to conserve the heat? (If you are allowed to tell me)
Thanks!

UTF-8 U+6211 U+662F wrote:

wxyz wrote:It has to be closed cell, open cell will just absorb water. Problem is that it can expand as altitude increases, which was problematic last year since nats was in Colorado.

Ah, thanks!

I might just stick to EPS/XPS foam anyway, as it's less hassle though... I guess we'll see how important the build is going to be.

Is The EPS/XPS foam even allowed this year they seem kind of cheap as you stick them in and you conserve the Heat so well!

Raphael wrote:

UTF-8 U+6211 U+662F wrote:

wxyz wrote:It has to be closed cell, open cell will just absorb water. Problem is that it can expand as altitude increases, which was problematic last year since nats was in Colorado.

Ah, thanks!

I might just stick to EPS/XPS foam anyway, as it's less hassle though... I guess we'll see how important the build is going to be.

Is The EPS/XPS foam even allowed this year they seem kind of cheap as you stick them in and you conserve the Heat so well!

You could have a vacuum box but if you fail to build a device properly it's useless. I know for a fact that this year the build will make or break teams at many high tier competitions (Ex: MIT, Golden Gate, SOUP, etc...) so you want to be very strong in the build.