Products 04/27/2011 Gasoline-Powered Welder: Rugged Design The Outback 145 Engine-Driven Welder is powered by a Kohler 9.5-hp gasoline engine suitable for work in remote environments. The welder delivers 145 amps of DC output, welding with stick electrodes up to 1/8 in. Its AC generator provides 4,750 watts of peak power and 4,250 watts of continuous power for accessories such as grinders, work lights and pumps. The Outback 145 weighs 245 lb and has a rugged, 11/4-in. tube frame to protect the engine as well as a cast-iron cylinder liner for longer engine life. Lincoln Electric; 216-481-8100; www.lincolnelectric.com Hydraulic Demolition Cutter:
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.