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Old 08-22-2018, 10:27 AM   #20 (permalink)
RedDevil
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Location: Nieuwegein, the Netherlands
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Red Devil - '11 Honda Insight Elegance
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Filling half the volume with balls won't save half a tanks worth in weight; just a quarter. Full to empty on a standard tank would weigh half a tank on average; half (like when filled with balls) to empty one quarter. One quarter difference then.

If you want optimal weight reduction by partial fills, leave out the balls; when you tank work out in advance when you will tank next time and only take what you need to make that pump. Half fillups are wasting gas through extra weight when you only need two gallon
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.2 Gmeter or 0.13 Mmile.


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Last edited by RedDevil; 08-22-2018 at 03:01 PM..
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