Basic twin lobe rotary air blower pÃ¬inciple Let us focus on twin lobe blowers, also popularly know as 'Roots blowers' on the name of its inventors. Twin lobe rotary air blowers belong to the category of positive displacement .blowers. They consist of a pair ot involute profiled (shape of 8) lobes/rotors rotating inside an oval shaped casing, closed
Top 10 Elite Fighting Units. Seal Team 6, the U.S. special-operations force that took out Osama bin Laden, is one of the most highly trained units in the world. For years, governments have prepared small, mobile forces that specialize in everything from ending a hostage situation to stealthily eliminating enemy combatants. Full List.
Israeli Air Force (Israel): Israel is a nation constantly at war and going by it, the country is supposed to have one of the strongest air forces in the world. Fortunately for the Israelites, they do have it. Israeli Air Force is one of the most technologically advanced air forces in the world. Equipped with Boeing F-15 E Strike Eagle and a bevy of fighter, patrol, trainer and transport aircrafts, Israel is one nation no one will like to mess with.