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Tugboat diesel engines typically produce 500 to 2,500 kW (~ 680 to 3,400 hp), but larger boats (used in deep waters) can have power ratings up to 20,000 kW (~ 27,200 hp) [citation needed]. Tugboats usually have an extreme power : tonnage -ratio; normal cargo and passenger ships have a P:T-ratio (in kW: GRT ) of 0.35 to 1.20, whereas large tugs ...
About 41% of all bulk carriers were less than ten years old, 33% were over twenty years old, and the remaining 26% were between ten and twenty years of age. [39] All of the 98 bulk carriers registered in the Great Lakes trade are over 20 years old and the oldest still sailing in 2009, the St. Mary's Challenger , was 106 years old.
Solaris Urbino 18 in Warsaw, Poland (2018). First example of the articulated bus appeared in Milan in 1937.In 1938, Twin Coach built an articulated bus for the city of Baltimore; this bus, which had four axles on a 47 ft (14.33 m) long body, was only articulated in the vertical direction to accommodate steep grades. 15 examples of the "Super Twin" were built in 1948, but it was not developed ...
Worldwide, over 1,000 autogyros are used by authorities for military and law enforcement. The first U.S. police authorities to evaluate an autogyro were the Tomball, Texas, police, on a $40,000 [28] grant from the U.S. Department of Justice together with city funds, [29] [30] costing much less than a helicopter to buy ($75,000) and operate ($50 ...
The diesel oil used for fuel to generate steam in the DRR's locomotives was replaced in April 2007 with B98 biodiesel, consisting of two percent diesel oil and ninety-eight percent soybean oil. [93] Due to problems with storing the soybean-based biodiesel, the DRR briefly switched back to conventional diesel oil in November 2008 before adopting ...
The 72-foot (22 m) cabin cruiser burned in the Piscataqua River near New Castle, New Hampshire. [217] [218] Unknown fishing boat United States: A 42-foot (13 m) fishing boat burned to the waterline two miles (3.2 km) west of Manzanita, Oregon. The sole crewman aboard was rescued from the water. [219]
Harvard station has a complex structure located largely under triangular Harvard Square, from which Massachusetts Avenue runs to the north and east and Brattle Street to the southwest, and under the surrounding streets. The main lobby is located under the square itself, and approximately matches its triangular shape.
The plasma would cool to 25,200 °F (14,000 °C) as it traversed the 82 feet (25 m) distance to the pusher plate and then reheat to 120,600 °F (67,000 °C) as, at about 300 microseconds, it hits the pusher plate and is recompressed. This temperature emits ultraviolet light, which is poorly transmitted through most plasmas.