10.11.2011., četvrtak


Goodyear tire weight - Goodyear tires nj

Goodyear Tire Weight

goodyear tire weight

    goodyear tire
  • The Goodyear Tire & Rubber Company was founded in 1898 by Frank Seiberling. Goodyear manufactures tires for automobiles, commercial trucks, light trucks, SUVs, race cars, airplanes, and heavy earth-mover machinery.

  • The force exerted on the mass of a body by a gravitational field

  • The quality of being heavy

  • the vertical force exerted by a mass as a result of gravity

  • slant: present with a bias; "He biased his presentation so as to please the share holders"

  • burden: weight down with a load

  • A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing

The Spirit of Goodyear

The Spirit of Goodyear

Yes, the Goodyear Blimp actually flies by our house! I catch it several times per year, but it's rarely RIGHT over our house, as in this case. How far away is it? Maybe a half mile, but it's hard to tell because it's difficult to triangulate its position. When I see it, I race into my room, snatch my camera, feverishly mount it on the tripod, and fire off a few quick pictures. Several years ago, the blimp did fly right over the house, but I was not able to get any photos of it. One day, I hope, I will.

This photo was acquired using 15X zoom.

The Goodyear Company has three blimps (non-rigid airship), and one of these, the Spirit of Goodyear, is stationed in Akron, where the Goodyear Company has a large tire factory. You can distinguish the SoG by the yellow stripe under the "Good Year" lettering. The GZ-20 class blimps are 58 m long, 18 m tall, and 15 m wide. That's 192 x 59.5 x 50 ft.

What's really cool is that Goodyear is retiring these by 2014, when they will be replaced by real zeppelins (rigid airships, with a frame for the buoyant gas), I think about 240 feet long. These elegant airships once plied the skies in the first third of the twentieth century. They were efficient, but more primitive materials science and a lack of satellite imagery to aid meteorology hampered the utility of this technology. The British R-101 dirigible, and America's two largest airships, the USS Macon and Akron (785 ft long), crashed because of inclement weather conditions. (America has violent weather!) We wouldn't sell the Nazis helium (they had no supply of it on German soil, but we got it from our natural gas wells), so they used explosive hydrogen. The Hindenburg, the largest zeppelin along with the Graf Zeppelin II, was, get this, 804 feet long. That means it was 60-70 TIMES the volume of this blimp. It ignited at Lakehurst, New Jersey, where it docked after a transatlantic flight.

I loved reading about these dirigibles as a kid, but my father can outdo me easily. He used to WATCH the Hindenburg float near the farm he grew up on, not far from Lakehurst, NJ. From several miles away, he said it still looked huge.

The fins and the overall design of a blimp or zeppelin can utilize Bernoulli's principle to give the blimp a little lift like one sees for the wings of an airplane. This only occurs, though, once the blimp is moving forward. However, by far the main reason that the blimp floats is because it is lighter than air. The addition of lighter-than-air helium renders the overall blimp slightly less dense than the surrounding air. Therefore, the weight of air the blimp displaces is more than the weight of the blimp. In this case, the buoyant force on the blimp is greater than the gravity force on the blimp, and it rises. That's Archimedes' Principle.

Convair B-36J Peacemaker

Convair B-36J Peacemaker

Responding to the U.S. Army Air Forces' requirement for a strategic bomber with intercontinental range, Consolidated Vultee (later Convair) designed the B-36 during World War II. The airplane made its maiden flight in August 1946, and in June 1948 the Strategic Air Command received its first operational B-36. Some B-36s served as photographic reconnaissance aircraft, and others were adapted to launch and retrieve specially modified RF-84F/K reconnaissance planes.

Powered by six Pratt & Whitney R-4360 engines, the B-36J cruised at 230 mph, but for additional bursts of speed its four General Electric J47s increased the maximum speed to 435 mph. It carried 86,000 pounds of nuclear or conventional bombs. When production ended in August 1954, more than 380 B-36s had been built for the U.S. Air Force. In 1958-1959, the USAF replaced the B-36 with the all-jet B-52. Although never used in combat, the B-36 was a major deterrent to enemy aggression. Making the last B-36 flight ever, the aircraft on display flew to the museum from Davis-Monthan Air Force Base, Ariz., on April 30, 1959.

Maximum speed: 435 mph
Cruising speed: 230 mph
Range: 10,000 miles
Ceiling: 45,700 ft.
Span: 230 ft.
Length: 162 ft. 1 in.
Height: 46 ft. 9 in.
Weight: 410,000 lbs. loaded
Serial number: 52-2220

goodyear tire weight

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