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The combustion cycle can be either two-stroke (which results in a lighter engine for a given power output) [3] [4] or four-stroke (which produce lower levels of exhaust gas emissions). [5] [6] The fuel is usually either petrol or diesel. [7] In 1973, a small Wankel (rotary) engine manufactured by NSU was used in a lawn mower. [8]
The state park also includes the 500-foot-high (150 m) quartzite bluffs surrounding the lake, and 11 miles (18 km) of the Ice Age Trail. [55] Interstate State Park consists of two adjacent state parks on the Minnesota–Wisconsin border. The Wisconsin side covers 1,330 acres (5.4 km 2), and the Minnesota side covers 298 acres (1.21 km 2).
Although most contemporary accounts used an Arabic mile of 6 444 feet (1,964 metres), which gave a Spanish league of the degree of 25,776 feet (7,857 metres or 4.242 modern nautical miles) others defined an Arabic mile as just 6,000 feet making a Spanish league of the degree 24,000 feet (or 7,315 metres, almost exactly 3.95 modern nautical miles).
The oceans cover an area of 361.8 million km 2 (139.7 million sq mi) with a mean depth of 3,682 m (12,080 ft), resulting in an estimated volume of 1.332 billion km 3 (320 million cu mi). [ 195 ] If all of Earth's crustal surface were at the same elevation as a smooth sphere, the depth of the resulting world ocean would be 2.7 to 2.8 km (1.68 to ...
One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.
The impact crater is more than 5 miles (8 kilometers) deep. Scientists hope that returning samples to Earth will help answer enduring questions about the intriguing far side, which hasn’t been ...
The Minnesota portion of Lake Superior is the largest at 962,700 acres (3,896 km 2) and deepest (at 1,290 ft (390 m), 393 m) body of water in the state. [11] Minnesota has 6,564 natural rivers and streams that cumulatively flow for 69,000 miles (111,000 km). [ 11 ]
In 1997, after a period of disuse, it was purchased by Robert and Randy Williams, [5] of Big Sandy, Montana, within 60 miles (97 km) of where it was built. It was used on the Williams Brothers' farm in Chouteau County to pull an 80-foot (24 m) cultivator , covering 1.3 acres (0.53 ha) per minute [ 5 ] at a speed up to 8 miles per hour (13 km/h).