Mountain Driving with 1995 42', 42,000 lb. Blue Bird
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06-26-2007, 00:33
Post: #26
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Mountain Driving with 1995 42', 42,000 lb. Blue Bird
Obviously, Pete, you have been studying these systems for awhile. I am like
that too. I like to know everything I can so that I am at least knowledgeable enough to keep from gettin hosed by an unscrupulous mechanic. Thanks for all your indepth analysis. You have been a great help is dispelling some of my fears on this motor coach. Regrds, Ron Thompson Waller, Texas 1995 Wide Body 42" BB Detroit Diesel Series 60 470 HP Kubota, 4 cylinder, 1681 cc. Phone 936-931-2802 land line cell..713-295-0119 Cingular Pete Masterson Jake Brake or Jacob Brake is a particular brand of engine brake manufactured and sold by Jacobs Vehicle Systems, Inc. While the term Jake Brake technically only describes Jake Brake brand engine brakes, it has become a genericized trademark and is often used to refer to engine brakes or compression release engine brakes in general, especially on large vehicles or heavy equipment. See Wikipedia for a full entry at: <http://en.wikipedia.org/wiki/Jake_brake> The magnetic retarder used on some earlier BBs is similar to the technology used for "dynamic braking" on diesel-electric railroad locomotives. The diesel-electric locomotive is actually a diesel generator (up to 5000 HP) that powers electric motors to drive the engine. On down grades, the motors are electrically switched to become generators, and the power produced is directed to very heavy duty grids and discarded as heat. Realize that these things produce 600 amps at 600 volts and that's a _lot_ of heat! (Great for toasting marshmallows.) Pete Masterson aeonix1@... '95 Blue Bird Wanderlodge WBDA 42' El Sobrante, CA On Jun 25, 2007, at 4:28 PM, Ron Thompson wrote: > My BB has an engine retarder. I have no idea what that is > exactly. I assume it is using the compression of the engine to > hold back the transmission which will hold back the BB > > What is a Jake Brake? > <snip> [Non-text portions of this message have been removed] |
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