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  2. Douglas sea scale - Wikipedia

    en.wikipedia.org/wiki/Douglas_sea_scale

    The Degree (D) value has an almost linear dependence on the square root of the average wave Height (H) above, i.e., +. Using linear regression on the table above, the coefficients can be calculated for the low Height values ( λ L = 2.3236 , β L = 1.2551 {\textstyle \lambda _{L}=2.3236,\beta _{L}=1.2551} ) and for the high Height values ( λ H ...

  3. Leduc 0.10 - Wikipedia

    en.wikipedia.org/wiki/Leduc_0.10

    Data from General characteristics Crew: two Length: 10.25 m (33 ft 7 in) Wingspan: 10.52 m (34 ft 6 in) Wing area: 16.0 m 2 (172 sq ft) Empty weight: 1,700 kg (3,740 lb) Gross weight: 2,800 kg (6,173 lb) Powerplant: 1 × Leduc ramjet, 15.7 kN (3,520 lbf) thrust Performance Maximum speed: 800 km/h (500 mph, 430 kn) See also Related development Leduc 0.21 Leduc 0.22 Aircraft of comparable role ...

  4. 0,10 Exhibition - Wikipedia

    en.wikipedia.org/wiki/0,10_Exhibition

    0,10 Exhibition. The Last Futurist Exhibition of Paintings 0,10 (pronounced "zero-ten") [2] was an exhibition presented by the Dobychina Art Bureau at Marsovo Pole, Petrograd, from 19 December 1915 to 17 January 1916. [3][4] The exhibition was important in inaugurating a form of non-objective art called Suprematism, introducing a daring visual ...

  5. Scale height - Wikipedia

    en.wikipedia.org/wiki/Scale_height

    Scale height. The earth atmosphere's scale height is about 8.5 km, as can be confirmed from this diagram of air pressure p by altitude h: At an altitude of 0, 8.5, and 17 km, the pressure is about 1000, 370, and 140 hPa, respectively. In atmospheric, earth, and planetary sciences, a scale height, usually denoted by the capital letter H, is a ...

  6. Melingriffith Water Pump - Wikipedia

    en.wikipedia.org/wiki/Melingriffith_Water_Pump

    The wheel is 18 feet 6 inches (5.64 m) in diameter with a width of 12 feet 6 inches (3.81 m). The paddles are 22 inches (0.56 m) deep. [2] [3] The paddle wheel is connected to two rocking beams of oak which are 22 feet (6.7 m) long by 1 foot 2 inches (0.36 m) by 1 foot 4 inches (0.41 m).

  7. LogMAR chart - Wikipedia

    en.wikipedia.org/wiki/LogMAR_chart

    The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...

  8. Mariana Trench - Wikipedia

    en.wikipedia.org/wiki/Mariana_Trench

    The Mariana Trench is an oceanic trench located in the western Pacific Ocean, about 200 kilometres (124 mi) east of the Mariana Islands; it is the deepest oceanic trench on Earth. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. The maximum known depth is 10,984 ± 25 metres (36,037 ± 82 ft ...

  9. Wind gradient - Wikipedia

    en.wikipedia.org/wiki/Wind_gradient

    Wind gradient. In common usage, wind gradient, more specifically wind speed gradient[1] or wind velocity gradient, [2] or alternatively shear wind, [3] is the vertical component of the gradient of the mean horizontal wind speed in the lower atmosphere. [4] It is the rate of increase of wind strength with unit increase in height above ground ...