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Topic: Kilonewtons

	Harp - Wikipedia, the free encyclopedia
		It typically has six and a half octaves (46 or 47 strings), weighs about 80lb (36 kg), is approximately 6 ft (1.8 m) high, has a depth of 4 ft (1.2 m), and is 21.5 in (55 cm) wide at the bass end of the soundboard.
		The notes range from three octaves below middle C (or the D above) to three and a half octaves above, usually ending on G. The tension of the strings on the sound board is roughly equal to a ton (10 kilonewtons).
		The lowest strings are made of copper or steel-wound nylon, the middle strings of gut, and the highest of nylon.
	en.wikipedia.org /wiki/Harp (4759 words)

	Engine Specifications - Definition of Terms
		This may be zero for motors designed for upper-stage operation in a vacuum (see Expansion Ratio, below).
		Thrust(vac - kN): For purists, the thrust of the motor in vacuum in officially-correct kiloNewtons (= (Thrust-kgf) * g / 1000) where g = acceleration of gravity on Earth at sea level = 9.80665 m/sec^2.
		Thrust(sl - kN): For purists, the thrust of the motor at sea level in kiloNewtons.
	www.astronautix.com /articles/engterms.htm (754 words)

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