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Each type of helicopter has a specific airspeed at which a power-off glide is most efficient. The best airspeed is the one that combines the greatest glide range with the slowest rate of descent. The specific airspeed is different for each type of helicopter, yet certain factors (density altitude, wind) affect all configurations in the same manner.
[3] Absolute value – In mathematics, the absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. Namely, |x| = x for a positive x, |x| = −x for a negative x (in which case −x is positive), and |0| = 0. For example, the absolute value of 3 is 3, and the absolute value of −3 is also 3.
MathOverflow is a mathematics question-and-answer (Q&A) website, which serves as an online community of mathematicians. It allows users to ask questions, submit answers, and rate both, all while getting merit points for their activities. [1] It is a part of the Stack Exchange Network, but distinct from math.stackexchange.com.
The charts show the added lift benefit produced by ground effect. [ 3 ] For fan and jet-powered vertical take-off and landing (VTOL) aircraft, ground effect when hovering can cause suckdown and fountain lift on the airframe and loss in hovering thrust if the engine sucks in its own exhaust gas, which is known as hot gas ingestion (HGI).
U.S. President Donald Trump will take part virtually in the World Economic Forum's annual meeting in Davos just days after his inauguration, the forum president said Tuesday. Børge Brende, a ...
Long-range military transport helicopter for the US Air Force. 41 converted from CH-3C, plus 45 newly manufactured. [12] HH-3E Jolly Green Giant Long-range search and rescue helicopter for the US Air Force, 50 converted from CH-3E. [13] MH-3E Special Operations version for the US Air Force. VH-3E US Air Force VIP transport helicopter. HH-3F ...
Wall Street kicked off the Santa Rally season on a positive note, with all major indices and sectors closing higher in a shortened session ahead of the Christmas holiday. The S&P 500 climbed 1% ...
Keanu Reeves' stolen luxury watch collection — which includes a $9000 Rolex — has been located by police in Chile, according to a report.. Local police confirmed that they found an engraved ...