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We completed 25 continuous laps of the high-speed circuit at
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MIRA Proving Grounds with each trailer. The 115km is broken down into three sets of laps: five at 64km/h, and 10 laps completed at 80km/19 and 85km/h. We benchmarked changes in fuel economy using fuel measuring diagnostics fitted at MIRA, and performed a tank-top-to-tank-top to equate overall fuel figures.
We used a Daf CF85 410hp 4x2 fleet tractor with a sleeper cab to pull both trailers. On both runs we performed a warm-up procedure to ensure the first lap started at the appropriate speed. Wind speed varied between 2.2rri/s [metres per second] and 6.9m/s during the first run and settled down to a more consistent 4.5 to 5.8m/s during the run with the Cheetah system.
The test was performed without test weights and, as an independent test, the results are only relative to this product.