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Gerald Bull
Gerald Vincent Bull (March 9, 1928 – March 22, 1990[1]) was a Canadian engineer who developed long-range artillery. He moved from project to project in his quest to economically launch a satellite using a huge artillery piece, to which end he designed the Project Babylon "supergun" for the Iraqi government. Bull was assassinated outside his apartment in Brussels, Belgium in March 1990.[2][3][4][5][6]Contents1 Early life 2 University 3 Career3.1 CARDE 3.2 High Altitude Research Program 3.3 Space Research Corporation 3.4 European Poudreries Réunies de Belgique4 Assassination and legacy 5 See also 6 Notes 7 References 8 External linksEarly life[edit]This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (March 2016) (Learn how and when to remove this template message)Bull was born in North Bay, Ontario, Canada, to George L
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Avro Arrow
The Avro
Avro
Canada
Canada
CF-105 Arrow, often known simply as the Avro
Avro
Arrow, was a delta-winged interceptor aircraft designed and built by Avro Canada. The Arrow
The Arrow
is considered to have been an advanced technical and aerodynamic achievement for the Canadian aviation industry. The CF-105 (Mark 2) held the promise of near-Mach 2 speeds at altitudes of 50,000 feet (15,000 m) and was intended to serve as the Royal Canadian Air Force's (RCAF) primary interceptor in the 1960s and beyond.[5] Canada
Canada
tried to sell the Arrow to the U.S. and Britain, but no agreements were concluded
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Laval University
Université Laval
Université Laval
(English: Laval University) is a French-language, public research university in Quebec
Quebec
City, Quebec, Canada. The University was founded by royal charter issued by Queen Victoria
Queen Victoria
in 1852, with roots in the founding of the Séminaire de Québec
Séminaire de Québec
in 1663 by François de Montmorency-Laval, making it the oldest centre of higher education in Canada
Canada
and the first North American institution to offer higher education in French
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Supersonic Wind Tunnel
A supersonic wind tunnel is a wind tunnel that produces supersonic speeds (1.2<M<5) The Mach number
Mach number
and flow are determined by the nozzle geometry. The Reynolds number
Reynolds number
is varied by changing the density level (pressure in the settling chamber). Therefore, a high pressure ratio is required (for a supersonic regime at M=4, this ratio is of the order of 10). Apart from that, condensation of moisture or even gas liquefaction can occur if the static temperature becomes cold enough. This means that a supersonic wind tunnel usually needs a drying or a pre-heating facility
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Royal Canadian Air Force
Latin: Sic Itur ad Astra "Such is the Pathway to the Stars"[2] Latin: Per ardua ad astra "Through Adversity to the Stars" – (1924 to 1968)March "RCAF March Past"Anniversaries Armed Forces Day (first Sunday of June)EngagementsSecond World WarBattle of Britain Battle of the AtlanticBattle of the St
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CFB Downsview
Canadian Forces
Canadian Forces
Base Toronto
Toronto
(also CFB Toronto) is a former Canadian Forces base in Toronto, Ontario. The airfield is currently operated as Toronto/ Downsview
Downsview
Airport.Contents1 RCAF Station Downsview 2 CFB Toronto 3 Military housing 4 Downsview
Downsview
Park 5 Former units 6 Current units 7 Aircraft 8 Static display 9 Non-military 10 ReferencesRCAF Station Downsview[edit] The Downsview
Downsview
Lands were part of an extensive land parcel acquired by the British Crown in 1787 from the Mississauga Nation in what is referred to as the Toronto
Toronto
Purchase. "Downsview" received its name in the 1830s after a farm on the property that was called "Downs View", attributed to its commanding vista of Lake Ontario
Ontario
to the south, looking "down" from the plateau
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Valcartier
Canadian Forces Base
Canadian Forces Base
Valcartier is a Canadian Forces Base
Canadian Forces Base
located in the municipality of Saint-Gabriel-de-Valcartier, approximately 25 km (16 mi) north of Quebec
Quebec
City
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Quebec City
Quebec
Quebec
City (pronounced /kwɪˈbɛk/ ( listen) or /kəˈbɛk/;[9] French: Québec [kebɛk] ( listen)); French: Ville de Québec), officially Québec,[10][11][11] is the capital city of the Canadian province of Quebec. The city had a population estimate of 531,902 in July 2016, (an increase of 3.0% from 2011)[12] and the metropolitan area had a population of 800,296 in July 2016, (an increase of 4.3% from 2011)[13] making it the second largest city in Quebec, after Montreal, and the seventh-largest metropolitan area in Canada. The narrowing of the Saint Lawrence River
Saint Lawrence River
proximate to the city's promontory, Cap-Diamant (Cape Diamond), and Lévis, on the opposite bank, provided the name given to the city, Kébec, an Algonquin word meaning "where the river narrows"
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Supersonic
Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately 343 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h. Speeds greater than five times the speed of sound (Mach 5) are often referred to as hypersonic. Flights during which only some parts of the air surrounding an object, such as the ends of rotor blades, reach supersonic speeds are called transonic. This occurs typically somewhere between Mach 0.8 and Mach 1.23. Sounds are traveling vibrations in the form of pressure waves in an elastic medium. In gases, sound travels longitudinally at different speeds, mostly depending on the molecular mass and temperature of the gas, and pressure has little effect
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Ordnance QF 17-pounder
The Ordnance Quick-Firing 17-pounder (or just 17-pdr)[note 1] was a 76.2 mm (3 inch) gun developed by the United Kingdom during World War II. It was used as an anti-tank gun on its own carriage, as well as equipping a number of British tanks. It was the most effective anti-tank gun of the war fielded by the Western Allies (that is, excluding the Soviet Union). Used with the APDS shot, it was capable of defeating all but the thickest armour on German tanks. It was used to 'up-gun' some foreign-built vehicles in British service, notably to produce the Sherman Firefly
Sherman Firefly
variant of the US M4 Sherman
M4 Sherman
tank, giving British tank units the ability to hold their own against their German counterparts. In the anti-tank role, it was replaced after the war by the 120 mm BAT recoilless rifle
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BL 5.5 Inch Medium Gun
The BL 5.5 inch Gun was a British artillery gun introduced during the middle of the Second World War
Second World War
to equip medium batteries.Contents1 History 2 Description 3 Ammunition 4 Variants 5 Surviving Examples5.1 Australia 5.2 France 5.3 India 5.4 Netherlands 5.5 United Kingdom6 See also 7 References 8 External linksHistory[edit] In January 1939 a specification was issued for a gun to replace the 6 inch 26 cwt howitzers in use with most medium batteries. The first units were equipped in UK in the summer of 1941 and in North Africa a year later, 20 guns equipped British and Free French batteries at El Alamein. Subsequently, it also equipped Canadian, Australian, South African, Polish and Indian regiments, and after the war, it was also used by New Zealand
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Charny, Quebec
Charny is a district (secteur) within the Les Chutes-de-la-Chaudière-Est borough of the city of Lévis, Quebec. It is located on the south shore of the St. Lawrence River, south of Quebec
Quebec
City. Formerly an independent city, Charny was merged with Lévis on January 1, 2002.Contents1 History 2 Demographics 3 Education 4 ReferencesHistory[edit]Via Rail's Charny railway stationOver the last century, Charny has been tremendously influenced socially and economically by the Canadian National Railway
Canadian National Railway
which maintains a major national train yard in the town, Joffre Yard
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Toronto Telegram
The Toronto
Toronto
Evening Telegram was a conservative, broadsheet afternoon newspaper published in Toronto
Toronto
from 1876 to 1971. It had a reputation for supporting the Conservative Party at the federal and provincial level. The paper competed with the liberal The Toronto
Toronto
Star. "The Tely" strongly supported Canada's imperial connection with Britain[1] as late as the 1960s.Contents1 History 2 Notable staff members 3 See also 4 References 5 Further reading 6 External linksHistory[edit] The Toronto
Toronto
Evening Telegram was founded in 1876 by publisher John Ross Robertson. He had borrowed $10,000 to buy the assets of The Liberal, a defunct newspaper,[2] and published his first edition of 3,800 copies on April 18, 1876.[1] The Telegram's editor from 1876 to 1888 was Alexander Fraser Pirie
Alexander Fraser Pirie
(1849-1903), a native of Guelph
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Uccle
Uccle
Uccle
(French pronunciation: ​[ykl]) or Ukkel (Dutch pronunciation: [ˈɵkəl] ( listen)) is one of the 19 municipalities located in the Brussels-Capital Region
Brussels-Capital Region
of Belgium. In common with all the Brussels
Brussels
municipalities, it is legally bilingual (French–Dutch).Contents1 History 2 Main sights 3 Education 4 Notable residents 5 Twin cities 6 References 7 External linksHistory[edit] Uccle
Uccle
map of 1777According to legend, Uccle's church of St. Peter
St. Peter
was dedicated by Pope Leo III in the year 803, with Charlemagne
Charlemagne
and Gerbald, Bishop of Liège, attending the ceremony. During the following centuries, several noble families built their manors and took residency here. The first mention of the name Woluesdal, now evolved into Wolvendael, dates from 1209
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Sabots
A sabot (UK and Int.: /sæˈboʊ/, /ˈsæboʊ/, US: /ˈseɪboʊ/) is a structural device used in firearm or cannon ammunition to keep a sub-caliber flight projectile, such as a relatively small bullet or arrow-type projectile, in the center of the barrel when fired, if the bullet has a significantly smaller diameter than the bore diameter of the weapon used. The sabot component in projectile design is more than simply the relatively thin, tough and deformable seal known as a driving band or obturation ring needed to trap propellant gases behind a projectile, and also keep the projectile centered in the barrel, when the outer shell of the projectile is only slightly smaller in diameter than the caliber of the barrel
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Sabot
A sabot (UK and Int.: /sæˈboʊ/, /ˈsæboʊ/, US: /ˈseɪboʊ/) is a structural device used in firearm or cannon ammunition to keep a sub-caliber flight projectile, such as a relatively small bullet or arrow-type projectile, in the center of the barrel when fired, if the bullet has a significantly smaller diameter than the bore diameter of the weapon used. The sabot component in projectile design is more than simply the relatively thin, tough and deformable seal known as a driving band or obturation ring needed to trap propellant gases behind a projectile, and also keep the projectile centered in the barrel, when the outer shell of the projectile is only slightly smaller in diameter than the caliber of the barrel
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