3339;s with 15 inch wheels JKowners.com : Jeep Wrangler JK Forum
15 Inch Offroad Wheels - A wheel is often a circular component that is supposed to rotate by using an axle bearing. The wheel is one of many the different parts of the wheel and axle which is regarded as the six simple machines. Wheels, with axles, allow heavy objects to become moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels can also be put to use in other purposes, such as a ship's wheel, steering wheel, potter's wheel and flywheel.Common examples are merely in transport applications. One of the wheels greatly reduces friction by facilitating motion by rolling together by using axles. To ensure that wheels to rotate, a flash needs to apply to the wheel about its axis, either by means of gravity or by the effective use of another external force or torque.The English word wheel originates from the Old English word hweol, hweogol, from Proto-Germanic *hwehwlan, *hwegwlan, from Proto-Indo-European *kwekwlo-, an expanded model of the main *kwel- "to revolve, navigate ".Cognates within Indo-European include Icelandic hjól "wheel, tyre", Greek κύκλος kúklos, and Sanskrit chakra, the second both meaning "circle" or "wheel ".Precursors of wheels, identified as "tournettes" or "slow wheels", were known with the Middle East through 5th millennium BCE (one of the first examples was discovered at Tepe Pardis, Iran, and dated to 5200–4700 BCE). Above was produced from stone or clay and secured to the floor that has a peg from the center, but required effort to turn. True (freely-spinning) potter's wheels were apparently in use in Mesopotamia by 3500 BCE and maybe as soon as 4000 BCE, along with the oldest surviving example, that is obtained in Ur (modern day Iraq), dates to approximately 3100 BCE.The earliest evidence of wheeled vehicles appears inside last half with the 4th millennium BCE, near-simultaneously in Mesopotamia (Sumerian civilization), the Northern Caucasus (Maykop culture) and Central Europe (Cucuteni-Trypillian culture), to ensure the question of which culture originally invented the wheeled vehicle remains to be unsolved.The primary well-dated depiction of the wheeled vehicle (here a wagon — four wheels, two axles) is about the Bronocice pot, a c. 3500 – 3350 BCE clay pot excavated in the Funnelbeaker culture settlement in southern Poland.The oldest securely dated real wheel-axle combination, that from Stare Gmajne near Ljubljana in Slovenia (Ljubljana Marshes Wooden Wheel) currently is dated in 2σ-limits to 3340–3030 BCE, the axle to 3360–3045 BCE.Two types of early Neolithic European wheel and axle are known; a circumalpine variety of wagon construction (the wheel and axle rotate together, just as Ljubljana Marshes Wheel), and of this Baden culture in Hungary (axle does not rotate). They are both dated to c. 3200–3000 BCE.In China, the wheel was certainly present while using adoption of this chariot in c. 1200 BCE,although Barbieri-Low[9] argues for earlier Chinese wheeled vehicles, c. 2000 BC.
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| TITLE: | 3339;s with 15 inch wheels JKowners.com : Jeep Wrangler JK Forum |
| IMAGE URL: | http://i62.photobucket.com/albums/h112/old15bravo/WP_001456.jpg |
| THUMBNAIL: | https://tse3.mm.bing.net/th?id=OIP.5YnLPJ_0IkVrwJ1FXCfurAEsDh&pid=Api&w=240&h=181 |
| IMAGE SIZE: | 219253 B Bs |
| IMAGE WIDTH: | 1024 |
| IMAGE HEIGHT: | 768 |
| DOCUMENT ID: | OIP.5YnLPJ_0IkVrwJ1FXCfurAEsDh |
| MEDIA ID: | 43E17A902EC6203D365B25A97CF3690C39068F02 |
| SOURCE DOMAIN: | jkowners.com |
| SOURCE URL: | http://www.jkowners.com/forum/archive/index.php/t-81046.html |
| THUMBNAIL WIDTH: | 240 |
| THUMBNAIL HEIGHT: | 181 |
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