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The 5.5-metre class was a redesign of the 6-metre class by Charles E. Nicholson in 1937. The first boats conforming to the 5.5-metre rule were built in 1949. There had been an earlier attempt to build a cheaper alternative to the Sixes. In 1929 the 5-metre class was established by the French "Union de Societes Nautique Francaise" and the class ...
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres ( 1 100 m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
5.5 mm scale. 5.5 mm to 1 foot scale (1:55.4 or 1:55) is used for modelling narrow gauge railways. 12 mm (0.472 in) gauge track is used to represent 2 ft (610 mm) to 2 ft 3 in (686 mm) gauge prototypes. 16.5 mm (0.65 in) gauge track is used to represent 3 ft (914 mm) gauge prototypes. Very narrow industrial or rural lines can be represented by ...
Dakotaraptor is exceptionally large for a dromaeosaurid, with an estimated adult length of 5.5 m (18 ft). [1] In 2016, other estimations suggested a length of 4.35-6 m (14.3-19.7 ft) and a weight of 220-350 kg (485-772 lbs). [10] [11] This approaches the size of one of the largest known dromaeosaurids, Utahraptor. [12]
ft/s 3.2808 The metre per second is the unit of both speed (a scalar quantity ) and velocity (a vector quantity , which has direction and magnitude) in the International System of Units (SI), equal to the speed of a body covering a distance of one metre in a time of one second .
Back of British Ordnance BL 5.5 inch (140 mm) M3 medium gun from year 1939, displayed in Hämeenlinna Artillery Museum. A British gunner uses the dial sight and range scale plate of a 5.5-inch gun in 1944. Canadian signaler with shells during a shoot, France July 1944. A BL 5.5 at the base of the Italian Army 's 5th Mountain Artillery Regiment.
The wave conditions are: mean water depth d = 2.50 ft (0.76 m), wave height H = 0.339 ft (0.103 m), wavelength λ = 6.42 ft (1.96 m), period T = 1.12 s. [ 28 ] In linear plane waves of one wavelength in deep water, parcels near the surface move not plainly up and down but in circular orbits: forward above and backward below (compared to the ...
0–0.2 m/s: 0 ft 0 m Sea like a mirror Smoke rises vertically 1 Light air 1–3 knots 1–3 mph 2–5 km/h 0.3–1.5 m/s 0–1 ft 0–0.3 m Ripples with appearance of scales are formed, without foam crests Direction shown by smoke drift but not by wind vanes 2 Light breeze 4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m