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Old 12-15-2009, 03:13 PM   #13 (permalink)
EcoModding Wanabe
Join Date: Jan 2009
Location: Wake Forest, NC
Posts: 10

Red Rocket - '08 Toyota Yaris
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I forgot to add one technique I use. There is one small hill, maybe 50’ to 75’ elevation right after a narrow 2 lane bridge on a back road. After the initial steep part it slowly gains elevation for about 0.4 of a mile. I have found that powering up the initial steep section to gain speed to 50 mph (psl 45 mph) will net me greater overall mileage (read: less of a loss) than gliding to the base and DWL up the entire section at 45 mph. I’m assuming it has to do with my engine BSFC chart and finding the right rpm/mph combination for the climb. Unfortunately this is the only section of my commute that I have found this technique works on.

Bottom line, try different ways of approaching hills and see if there is a combination of rpm/mph/gear that works best.
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