A 261 kW (350 hp) spark-ignited, turbo-charged and aftercooled Cummins 'Big Cam' propane engine was developed and tested for class 8 truck application. Two propane engines were operated in line-haul service for a total of 33 months and almost 350 000 kilometres (217 480 miles). A diesel-powered tractor, in similar service, was monitored for comparison. Fuel economy, oil consumption, maintenance drivers comments, and engine refinements were fully documented. Propane fuel exonomy averaged 94 L/100 km (2.5 mpg), relative to 45 L/100 km (5.2 mpg) with the diesel. Overall reliability was good and driver acceptance excellent, however, furhter refinements, especially in the turbochanger, ignition, and cooling system, are required to compete with the modern diesel.
Development and demonstration of a class 8 propane-powered truck
Entwicklung und Demonstration eines mit Propan angetriebenen Lastkraftwagens nach US Klasse 8
SAE-Papers ; Aug ; 1-12
1990
12 Seiten, 3 Tabellen, 3 Quellen
Aufsatz (Konferenz)
Englisch
Development and Demonstration of a Class 8 Propane-Powered Truck
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