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Old 03-11-2014, 07:54 PM   #21 (permalink)
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Why you scamming ideas mech? :P

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Old 03-11-2014, 08:49 PM   #22 (permalink)
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Patent US4804139 - Cooling system for a water-cooled vehicle engine - Google Patentler

Long time ago
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Old 03-11-2014, 08:52 PM   #23 (permalink)
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Old 03-11-2014, 08:58 PM   #24 (permalink)
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Patent US4804139 - Cooling system for a water-cooled vehicle engine - Google Patentler
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Old 03-11-2014, 09:00 PM   #25 (permalink)
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I was joking of course. Everyone on here knows your one of the best contributors to this site and have done more than most before most of us.
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Old 03-11-2014, 09:07 PM   #26 (permalink)
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How about 1916.

Automotive Industries - Google Books
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Old 03-11-2014, 11:19 PM   #27 (permalink)
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Quote:
Originally Posted by Old Mechanic View Post
Brilliant responses, OleMech.
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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 03-12-2014, 02:11 AM   #28 (permalink)
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Old Mech, when I saw the pipe foam to block off, it was a DUH! that is brillant idea.

My air dam was scrap from a neighbor, I just had to buy the self drilling screws. The other neighbor had a roof put on and they left a scrap of flashing that I used to block the grill. I used more of the screws from before...and I painted it flat black since is was bright silver.

What also was not seen is I used a piece of roll up sled put out for garbage to further block the radiator. I would us it to adjust for ambient temps even after the grill block.

Not only did I see MPG gains, but I was also drag racing as well on some Friday nights. Just dropping the rear bumper cover, aka the parachute dropped .3 seconds off the mid 15 second ET. I later trimmed a bumper cover for ok looks without the parachute effect.



The idea about the bumper was inspired by someone posting a underside picture of the VX deflector piece Honda installed from the factory.

Jason "Katman" took the picture....

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Old 03-12-2014, 08:36 AM   #29 (permalink)
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I stumbled upon this thread..... lmao is about all I can say.

I had a thought, instead of measuring fluid level, what if you measure the pressure in the system. Pressure would not be dependant upon a specific fluid level.
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Old 03-12-2014, 08:59 AM   #30 (permalink)
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I looked at my Fiesta last night and the "reserve bottle" is pressurized like the rest of the system. I also though about measuring pressure and using it as the control signal since it would take some work to build a float in a pressurized reservoir.

Since you are heating the coolant in a closed system, it's logical to think the pressure in the reservoir would be directly proportional to the expansion of the coolant so with that understood I think measuring the pressure could perform the same function.

It just seems to me, and I would bet the manufacturers are looking at this idea, that the precision of measuring the rise in coolant levels would allow the system to anticipate the rise in coolant level and perform corrective actions with a radiator or grille block to keep the whole cooling system at a precisely consistent level, which would mean you could maintain that average temperature at the ideal level for maximum efficiency.

You would not eliminate the thermostat or cooling fan actuation as was discussed in the1916 document. You are controlling the huge variation in average cooling system temperature depending on ambient temperature in current systems.

This would eliminate the losses incurred when winter temps cause the exit coolant temperature to plummet and the first cylinders that coolant hits are colder than the last cylinder. That potential 100 degree variation in exit coolant temperatures makes the thermostat close to restrict coolant flow,which only serves to exacerbate the problem. The system I am proposing would eliminate temp variation, improve efficiency, reduce pollution and made the heater work exactly the same in winter as it would in summer. Not saying that you would use it in summer.

regards
mech

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