Liquid Gases on Robot as coolant

[Ether]

Originally Posted by nighterfighter

What could go wrong!

I believe that's supposed to be:

What could go wrong... go wrong... go wrong...

[nighterfighter]

Originally Posted by Ether

I believe that's supposed to be:

What could go wrong... go wrong... go wrong...

Well, at least it isn't electrically conductive.

Sure, it might make everything brittle and shatter, but at least you won't have a short!

[Hawiian Cadder]

how is your electronic board heating up in the first place, nothing should overheat except perhaps a breaker, batteries can get a little warm too i guess.

[KC1AJT]

team 20 was actually packing ice on their motors (or i assume it was the motors) between the matches in the finals at BAE

[DonRotolo]

This wins this week's award for "Most Bizarre Thread".
Carry on.

[MrForbes]

Originally Posted by james7132

Is it legal to have liquid gases (nitrogen, helium, etc) as a coolant on our minibot or hostbot?

I don't recall seeing liquid nitrogen, helium, etc on the list of approved materials for minibots.

The pneumatic compressor would probably move a lot more air in a small area than the muffin fans....

[DonRotolo]

A Peltier Device would also move a lot of heat onto a heat sink, which could then use a fan to dump into atmosphere.

Not sure if a water-cooled system would be allowed, like they use in some computers.

[Al Skierkiewicz]

<R02> ROBOT parts shall not be made from hazardous materials, be unsafe, or cause an unsafe condition. Items specifically prohibited from use on the ROBOT include (but are not limited to):

And the various rules in several sections that speak to damaging the playing field, floors, etc.

As unlikely as you think it might be, robot parts break, robots tip over, and other people are always present. Liquid gasses in any form pose such a hazard. Liquid coolants of any type cannot satisfy the above rules for safety and preventing damage to field or venue.

While teams will go to any length to try and cool motors between matches, any external method does little to remove the internal heat stored in the motor. The path for conduction of the heat in the armature is only through the two end bearings and brush assembly or from direct radiation to the case and magnet structure of the motor. Teams that use freeze spray, run the risk of the material used in making the spray cold, flushing lubricants from exposed motor bearings. Extremely cold surfaces will also condense humidity out of the air like on the outside of a cold drink. Use freeze spray with caution.

[scottydoh]

Still, no ones answered what/why the circuitry is overheating in the first place. I feel that this should be the really issue here.

[Ether]

Originally Posted by scottydoh

Still, no ones answered what/why the circuitry is overheating in the first place. I feel that this should be the really issue here.

Precisely. But the OP - James from Marietta - has not posted any follow-ups since his original post was made 27 hours ago.

[Matt Krass]

Originally Posted by Ether

Precisely. But the OP - James from Marietta - has not posted any follow-ups since his original post was made 27 hours ago.

I'm starting to suspect this thread was more of a gag than a serious question...
I can't think of anyway to heat something that much without breaking a few robot rules that way, but that could be a failure of imagination on my part.