It appears that some folk have never looked at the fuel curves on a Nebraska tractor test. Has anybody noticed the fuel efficiency of a diesel running at 25% rated power vs. the fuel efficiency of the same diesel operating at 75% & 100% power? Now look at the part and full load fuel curves of a gasser. Anybody here that don't understand part and full power fuel consumption curves? Diesels that are used in high duty cycle service such as marine propulsion, utility power generation , combines, field cultivation etc. That is HD service at near or full power continuous. Bubba rolling down the highway at 55mph is using 45HP of his 397HP diesel. Just what exactly is the duty cycle that diesel operating under? Where on the fuel curves is it operating? 60ton of highway tractor running 500,000-750,000 miles routinely using 1/3 to 2/3 of it's rated power. That is a different application from a 300-400HP pickup that rarely lasts 200,000 miles. And uses 10%-20% of it's rated power except for 5 to 20 second duration snorts. Do the math.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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