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Does the amount of fuel in a loco affect its weight?

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Does the amount of fuel in a loco affect its weight?

Unread postby Q2DM1 » Thu Jul 23, 2015 6:56 pm

I have a train that struggles up hills and was wondering, if I don't use very much fuel at all, will setting the fuel level to 20% instead of 100% make the net weight lower? Is that taken into account at all? The train in question has six heads on it and can barely hit half the speed limit. If I remove 80% of the fuel from all six locos, surely it should make a noticeable impact on the net weight, assuming it does affect it.
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Re: Does the amount of fuel in a loco affect its weight?

Unread postby GaryG » Thu Jul 23, 2015 7:35 pm

A guess is a full fuel tank might account for two or three percent of a loco's weight (seven pounds per gallon of diesel).

The weight of the fuel in six locos would still be less than one maximum loaded freight car; this is assuming about 5,000 pounds of fuel per loco.

5000 * 7 * 6 = 210000 or 105 tons. Todays loaded cars can be well over that weight.

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Re: Does the amount of fuel in a loco affect its weight?

Unread postby _o_OOOO_oo-Kanawha » Fri Jul 24, 2015 12:41 am

Will the Quick Drive custom consist editor be of any help and use?

It shows train length and weight, and by manually editing with RW_Tools of ConsistTemplates.bin in the Content folder, you can change Loaded from 1 to 0 and back.
See if the QD consist changes its weight.

AFAIK, in the engine blueprint the CargoComponent defines a fuel tank capacity. There is no mention of the fuel's weight, unless the simulation engines calculates that out of the specific density of the type of fuel in the tank.
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