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In 1993 Jeep re-introduced Quadra-Trac, this time on the Jeep Grand Cherokee using the NP249 transfer case. Like the NP219, this transfer case utilizes a center differential with a viscous coupler to provide smooth and efficient four-wheel drive operation on all surfaces. This system has 4WD All-Time, Neutral, and 4WD Low modes.
The jeep problem, [1] desert crossing problem [2] or exploration problem [3] is a mathematics problem in which a jeep must maximize the distance it can travel into a desert with a given quantity of fuel. The jeep can only carry a fixed and limited amount of fuel, but it can leave fuel and collect fuel at fuel dumps anywhere in the desert.
The 3.3 was introduced in 1989 with the 1990 Chrysler Imperial, New Yorker, and related K-series models, and was joined in 1991 by the 3.8. Production on the 3.3 was stopped in 2010 after a run of 5,076,603 [2] engines, while the 3.8 remained in production until May 2011 in Trenton, Michigan for the Jeep Wrangler.
The Global Medium Engine (GME for short) is a family of engines created by the powertrain division of Alfa Romeo and in production since 2016.. The GME family is composed by two new series of engine: one created by Alfa Romeo (codeproject Giorgio [1]) for Alfa Romeo Giulia and Stelvio, [2] [3] and the second (codeproject Hurricane) by FCA US for American vehicles made by Chrysler, Dodge, and Jeep.
Diesel engine runaway is an occurrence in diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM, producing up to ten times the engine's rated output until destroyed by mechanical failure or bearing seizure due to a lack of lubrication. [1]
The worst problem met in air-cooled aircraft engines was the so-called "shock cooling", when the airplane entered in a dive after climbing or level flight with throttle open, with the engine under no load while the airplane dives generating less heat, and the flow of air that cools the engine is increased, a catastrophic engine failure may ...
When overheating, the temperature of the part rises above the operating temperature. Overheating can take place: if heat is produced in more than expected amount (such as in cases of short-circuits, or applying more voltage than rated), or; if heat dissipation is poor, so that normally produced waste heat does not drain away properly.
Many high-performance aircraft however suffer extreme overheating problems when idling on the ground - a mere seven minutes for a Spitfire. [6] This is similar to Formula 1 cars of today, when stopped on the grid with engines running they require ducted air forced into their radiator pods to prevent overheating.