advancing ignition
11coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
12climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
13Sopwith Camel — This article describes the fighter plane. For the 1960s psychedelic rock music band, see Sopwith Camel (band). infobox Aircraft name = Sopwith 2F.1 Camel type = Biplane fighter manufacturer = Sopwith Aviation Company caption = A Sopwith Camel at… …
14Contra-rotating propellers — For contra rotating marine propellors, helicopter rotors and turbine fan blades, see Contra rotating. Not to be confused with counter rotating propellers. Contra rotating propellers on a Rolls Royce–Griffon–powered P 51 unlimited racer Aircraft… …
15Chlorine trifluoride — Systematic name …
16Bivalent (engine) — A bivalent engine is one that can use two fuel types. Examples are petroleum/CNG or petroleum/LPG which are widely offered in the European passenger vehicle aftermarket. Bivalent engines can also use hydrogen as demonstrated by the recently… …
17rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
18V-1 flying bomb — Buzzbomb redirects here. For the song by the Dead Kennedys, see Buzzbomb (song). For other uses, see V1 (disambiguation). V 1 flying bomb Fieseler Fi 103 Flakzielgerät 76 (FZG 76) V 1 flying bomb …
19The Hangovers — For other uses, see Hangover (disambiguation) The Hangovers Origin Cornell University in Ithaca, New York Genres Collegiate a cappella Years active 1968–present Associated acts …
20Yamaha XS750 — Infobox Motorcycle name = XS750 aka = triple manufacturer = Yamaha Motor Company parent company = Yamaha production = predecessor = successor = XS850 class = 750cc engine = 4 stroke 3 cylinder air cooled DOHC top speed = power = torque =… …
