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Old 01-29-2012, 09:23 AM   #21 (permalink)
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Join Date: Mar 2011
Location: Coastal Southern California
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Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

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Quote:
Originally Posted by Ladogaboy View Post
Wow... A water heater would be a great addition to my car... That way, I could take hot showers while on the road. This is brilliant!
Hahaha! I don't know about a shower but a hot water dispenser on the dash would make some great hot drinks on the road.

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 01-29-2012, 09:32 AM   #22 (permalink)
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Woody - '96 Dodge Ram 2500 SLT
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~78% of the energy from the fuel is lost as heat. It takes 8.34 BTU to heat one gallon 1 degree. Start @ 40 f, end at 130 f, ~750 BTU per gallon for domestic hot water.
750 x 50 = 37,500 BTU
Hmm, could you heat your house water on the way home from work, if you had good enough heat exchangers?

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2007 Dodge Ram 3500 SRW 4x4 with 6MT
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2002 TDI Beetle

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Old 01-29-2012, 03:54 PM   #23 (permalink)
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Location: West Texas, US
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'99 Subaru OLL 2.5L - '99 Subaru Outback Legacy Limited
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Quote:
Originally Posted by Everett View Post
When I operated the forklift all day I would leave cans of chunky soup under the motor of the machine. Wasn't bad in summer but in winter it didn't get hot. Decided subway was less effort.
...

until you get 3 day food poisoning from a seafood sub.

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Old 01-29-2012, 10:27 PM   #24 (permalink)
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Join Date: Oct 2011
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Ladogaboy - '11 Mitsubishi Lancer EVO GSR
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90 day: 27.64 mpg (US)

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Quote:
Originally Posted by skyking View Post
~78% of the energy from the fuel is lost as heat. It takes 8.34 BTU to heat one gallon 1 degree. Start @ 40 f, end at 130 f, ~750 BTU per gallon for domestic hot water.
750 x 50 = 37,500 BTU
Hmm, could you heat your house water on the way home from work, if you had good enough heat exchangers?

I wonder if you could use that in combination with your 5th Wheel?

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