16-645-E8 & one 8-645-E8; Rotary Table--Nat''l 37 1/2", 800 hp.DERRICK: 147''; 1,300,000-lb hook load capacity.BOP SYSTEM: One 27 1/2" nom. Regan KFDJdiverter; One Shaffer spherical annular, 13 5/8",5,000 psi; One double and one single Cameron"U" units, 13 5/8", 10,000 psi.CRANES: Two LeTourneau PCM-120-AS w/100'' boom.WORK AREA: Gulf of Mexico.OCEAN COLUMBIARIG DESIGN: LeTourneau 82-SD-CCONSTRUCTION: Marathon LeTourneau, 1978.PERFORMANCE: Water depth--250''; Drilling depth--20,000''.QUARTERS: 67 persons, plus 2-man sick bay.

Under-hood generators typically are rated from 5kw to 10kw. The generator is located in the engine compartment and belt-driven from the engine. Power can be used while driving or stationary. The only other component to the belt-driven generator is a control box, about the size of a computer tower that needs to be located in a compartment.The PTO generator can be installed on a two-wheel drive light-duty rig if it''s equipped with a PTO opening on the transmission. This typically is offered as a manufacturer option, but it needs to be added when the vehicle is ordered. A PTO generator can''t be used on a four-wheel drive unit because of the location of the transfer case in relation to the PTO opening on the transmission.

"Blankets are usually an afterthought," Buckett said. "Typically an engine system is developed and installed in the equipment, and then something happens. Maybe it''s in the engine compartment where the components can''t easily be modified or changed. Maybe the turbo is too close to something, or maybe another component is not reacting well to the ambient heat."An insulation blanket or cover is the usual solution," Buckett said. "And this is only going to increase as exhaust emissions regulations tighten and engines run hotter. The problem is we don''t get involved until it''s too late, after it''s become a problem, when it could have been done be as an engineered solution.

Though light in weight, Airbor magnetic drill has a powerful 1.6-hp air motor and 1,600-lb magnetic holding strength. With its extra rack, stroke length is extended to 10 1/4 in. Annular cutter capacity is up to 2 1/16 in. diam. Geared chuck adapter converts the unit to a standard drill press. The Slugger Air Force pneumatic drill, at 24 lbs, 6 1/4" high, is useful for confined area drilling. The drill''s features include a permanent magnet that turns on or off by air power, a cutter capacity of up to 1 1/16" diameter x 3/4" depth and the ability to use ShortSlugger cutters and frame cutters. These cutters'' geometry allows the operator to drill multi-layered truck frames in a single pass.

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