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New Flyer submitted a model XDE60, diesel-powered 47 seat (including the driver) 61-foot bus, for a Partial STURAA test in the 12yr/500,000 mile category. The Federal Transit Administration determined that the following tests would be performed; 4. Performance, 6. Fuel Economy, 7.1 Interior Noise Tests, 7.2 Exterior Noise Tests and 8. Emissions. Testing started on September 11, 2014 and was completed on September 26, 2014. The Check-In section of the report provides a description of the bus and specifies its major components.
The interior of the bus is configured with seating for 47 passengers including the driver. Free floor space will accommodate 81 standing passengers resulting in a potential load of 128 persons. At 150 lbs per person, this load results in a measured gross vehicle weight of 61,750 lbs.
Effective January 1, 2010 the Federal Transit Administration determined that the total number of simulated passengers used for loading all test vehicles will be based on the full complement of seats and free-floor space available for standing passengers (150 lbs per passenger). The passenger loading used for dynamic testing will not be reduced in order to comply with Gross Axle Weight Ratings (GAWR’s) or the Gross Vehicle Weight Ratings (GVWR’s) declared by the manufacturer. Cases where the loading exceeds the GAWR and/or the GVWR will be noted accordingly. During the testing program, all test vehicles transported or operated over public roadways will be loaded to comply with the GAWR and GVWR specified by the manufacturer.
The performance of the bus is illustrated by a speed vs. time plot. Acceleration and gradeability test data are provided in Section 4, Performance. The average time to obtain 50 mph was 41.70 seconds. Top speed acquired on the dynamometer was 65 mph.
A Fuel Economy Test was run on simulated central business district, arterial, and commuter courses. The results were 3.87 mpg, 3.38 mpg, and 5.86 mpg respectively; with an overall average of 4.09 mpg.
A series of Interior and Exterior Noise Tests was performed. These data are listed in Section 7.1 and 7.2 respectively.
The Emissions Test was performed. These results are available in Section 8 of this report.