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Humvee Airless Tires

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Uploaded by:  qsellnow  on Dec 23, 2011

Are these the car wheels of the future? If they are, you won't need to worry about flat tires anymore.

Categories: science-tech

Tags: car, future, cool, tire, tires, airless-tires, airless, tire-technology

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Guest 2 months ago
What if theres mud build up. Wouldn't that throw the balance off?
Guest 2 months ago
This technology has been around for at least 10 years. Look at iRobot's SUGV or Pacbot's wheels. They both use the same technology. They are not in production because of design, if the wheel fails, the humvee stops. The failure mode would be tearing out the center hub, and running them hard would really hurt the longevity of them. With a normal wheel, you can get out of an area on just a rim, not something you can do with a molded wheel. It's fine on the bots because of the weight ratio of wheel to robot. In a Humvee, that would be another story, and if I remember correctly it is a linear coefficient (modulus) which controls failure.
Guest 2 months ago
Would be good to have a spare tire...
Guest 2 months ago
these tires don't have a long tread life. that is why they are not commercially available for all vehicles yet
Guest 2 months ago
What if he parks in a puddle and it freezes overnight STUCK? or broken wheel? HMMM
Guest 2 months ago
This project started as an insert for a tubeless tire (much like a foam insert in a rally car tire), but flexing sidewall of the tire made its performance only worse (uneven ground contact), so they got rid of pneumatics alltogether. As for cornering, it was tested on a race track on high speeds (and it did impressively well) http://www.youtube.com/watch?v=fqRJ9GfIJtI And if you want to know more google "Tweel by Michelin"
Guest 2 months ago
I agree. I would also wonder how long it would take for the tire to break down at the crease points.
Guest 3 months ago
That would be an interesting insert to see placed within a tubeless tire. Tire science usually approximates tires as a serious of springs. The idea as probably been considered by at least half of all automotive engineers on the planet. I'm curious to see if the tires would survive the shear force induced from cornering.
RajaramKamath 3 months ago
c
MatthewBirtles 3 months ago
i want some
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