propelling explosive
81Rotation of ammunition — is a term used with reference to guns. Projectiles intended for R.M.L. (rifled muzzle loading) guns were at first fitted with a number of gun metal studs arranged around them in a spiral manner corresponding to the twist of rifling. This was… …
82Duran Duran — This article is about the band. For other uses, see Duran Duran (disambiguation). Duran Duran Duran Duran live at the ACC, Toronto, left to right: John Taylor, Roger Taylor, Simon Le Bon, and Nick Rhodes Background information …
83Pyroclastic flow — Pyroclastic flows sweep down the flanks of Mayon Volcano, Philippines, in 1984 …
84Railgun — A railgun is a purely electrical gun that accelerates a conductive projectile along a pair of metal rails using the same principles as the homopolar motor.Railguns use two sliding or rolling contacts [http://www.youtube.com/watch?v=M0YRslyGiOI… …
85Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
86Muzzle velocity — For the computer video game, see Muzzle Velocity (computer game). Muzzle velocity is the speed a projectile has at the moment it leaves the muzzle of the gun[1]. Muzzle velocities range from approximately 400 ft/s (120 m/s) to… …
87International Regulations for Preventing Collisions at Sea — The International Regulations for Preventing Collisions at Sea 1972 (COLREGS) are published by the International Maritime Organization (IMO), and set out, inter alia, the rules of the road or navigation rules to be followed by ships and other… …
88Mahdi Army — This article is about the Shia Mahdi Army of contemporary Iraq. For the Sunni Mahdi Army of Nineteenth Century Sudan, see Muhammad Ahmad. Mahdi Army (Jaish al Mahdi) Participant in the Iraq War Active 2003 2008 Leaders Muqtada al Sadr …
89Ordnance QF 17 pounder — 17 pounder in Batey ha Osef museum, Israel Type Anti tank gun Tank gun …
90Bo Schembechler — College coach infobox Name = Bo Schembechler ImageWidth = 150 DateOfBirth = April 1 1929 DateOfDeath = death date and age|2006|11|17|1929|4|1 Birthplace = flagicon|USA Barberton, Ohio Deathplace = Southfield, Michigan Sport = Football College =… …
