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arcmatt

Yeti 20oz Tire Handle

by arcmatt Feb 14, 2018
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Well, you really went all out with this style cup holder.

This one was a request that I was already thinking about. I also really like my Yeti cup, and the handle. What can I say, I like to hydrate.

LOVE THIS! You're fantastic!

Hey, Thanks! I am pretty happy with how it came out.

I am not a fan of using supports, and as is this design will need them as the tread begins with an offset of 1 mm from the bed. I think I might work up a version that does not require support and will post it along with these versions in about a day. I am gonna try out some test prints to see how the tread prints with and without support.

Enjoy, and happy printing.

Not me, six cups of coffee during the day and shakes all night ;) What's the smallest diameter on this puppy?

I don't JUST drink coffee from my Yeti Tumbler. Because it has a vacuum sealed void between the inner and outer stainless steel portions, heat does not travel through a vacuum or through a noble gas for that matter, it not only keeps hot drinks hot but also cold drinks cold longer.

Golly gee mister that's swell, guess I can stop lugging around my Dewar now!

Technically speaking, a Yeti Tumbler is a Dewar. The lid is the major thermal leak point for the Yeti, as it is acrylic and only sealed with a press fit rubber gasket.

Plus if lugging around your Dewar guarantees perfect temperature beverages, no shame in seeking libatious bliss... aside from some dude from NoDak subvert mocking others attempts with Yeti handles.

True, can you imagine little Opie carrying around a gallon Dewar through? XD

My friend and I went to the mart of wal and bought two different style thermos. Mine was the actual brand, his a knock off. Did a bit of testing and mine works better than the knock off. I had a feeling it was due to his using some Styrofoam insulation, wherein the thermos brand uses a vacuum. Window companies love their argon though. Me too, nice penetration characteristics.

Styrofoam! BvD

Argon is great in the windows, till a seal ruptures and them bye-bye thermal barrier.

For penetration characteristics, I prefer helium, cleans, shields and sounds funny. A hard drive manufacturer developed a vacuum sealed physical hard drive to reduce friction and filled the vacuum with helium to further reduce friction and provide cooling. It yielded a hard drive that ran exceptionally fast and with a nearly 50% energy savings.

Valentines day and you're chatting with me in a comment section of Thingiverse?? Hope you already treated her lol

I only ever used helium once. Now, a hard wire and some C25 is where it's at for me. Crank that puppy up and just burn right through any manner of mill scale with a nice high dep rate. Mmm, I'm getting the shivers thinking about it.

Love is a treat everyday you find yourself a part of it.

I know filling a vehicles tires with argon will keep the pressure constant (very nearly based on the purity of the argon) during all seasons, summer or winter. So if helium makes a hard drive more efficient, would filling your vehicles tires with helium make the vehicle more efficient? If yes, why?

Mill scale has high levels of carbon and alters the metallurgical characteristics, specifically to the weld joint, making it more brittle while possibly adding strength. Best to grind the scale off, or use helium for its flux like cleaning action. I would grind or needle gun it off.

No, of course not. The expense of helium wouldn't offset the price of gas saved even if it did 'float' the vehicle just slightly. Not to mention, small size vs porous membrane? You want to save money? Figure out how to reclaim the lost 70% of gas wasted as heat.

Well your answer is both correct and wrong at the same time. The cost offset indeed would negate any energy savings produced, and the tires being porous would require the tires needing to be refilled regularly due to helium's ability/inability to be contained effectively, equating to money being spent on helium rather than any fuel that might be saved.

But, being that all gases obey the laws of fluid dynamics, as they are a fluid, helium's friction reducing properties would reduce the amount of friction within the tire that requires fuel to get rotating and to stop rotating. The helium would likely stand still, or very slowly start rotating due to the extremely low friction. This would equate to a fuel savings, or higher efficiency. As mentioned, the 'float' would indeed increase efficiency, though only very very slightly, but that is sometimes how efficiency advances.

Sort of a trick question, because both answers are right, the why answer is the real question.

Thermal energy lost is the bane of many engineers in the pursuit of efficiency. Welcome to universal enthalpy.

The Peltier effect is an interesting one to leverage.

You forgot density I think. If the Chinese would ever send me my peltier modules, I'd play with them. I laugh everytime someone tells me about the nitrogen in their tires XD

Pressure and density can be equated, it wasn’t forgotten.

Nitrogen? I admit, I have considered argon, but doubt it will ever go beyond consideration even though I have a K bottle of argon in my garage.

Motors prove more efficient than engines simply due to the energy loss due to heat in engines. But then again this would also depend on how the electricity that charged the batteries that the motors are driven by was derived. Enthalpy and entropy dance once again, until the whole thing is beyond cold and frozen and the cold reveals its power and again showers a new universe with the static of the cosmic background. BANG! The circle is complete.

86mm on the bottom, this is what actually holds the cup, 88mm top. Outside, with tread, 111.6 mm.