scootz
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| posted on 3/8/08 at 09:01 PM |
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Radiator Flow
I'm going to be running 2 radiators - one in either side pod.
Am I right in thinking that the 'in' on a radiator is at the top, and that the 'out' is at the bottom?
Also, would a standard engine-based coolant pump have the grunt to shift the coolant over to the other radiator and back to the engine, or should I be
looking at adding an electric pump between the 2 radiators?
Or should I just stick with the one and suck it and see?
Cheers!
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nib1980
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| posted on 3/8/08 at 09:23 PM |
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yep hot goes in at the top, and cold comes out the bottom. well it does on mine anyway! 
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nib1980
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| posted on 3/8/08 at 09:23 PM |
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yep hot goes in at the top, and cold comes out the bottom. well it does on mine anyway!
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worX
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| posted on 3/8/08 at 09:36 PM |
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It's fine to plumb them in in series...
Steve
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britishtrident
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| posted on 3/8/08 at 09:38 PM |
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Beware airlocks if running in series
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mark chandler
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| posted on 3/8/08 at 10:46 PM |
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As above
make sure to include a small 1/4" pipe at the top of each one to the highest point.
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02GF74
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| posted on 4/8/08 at 09:26 AM |
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yes - hot is top; helps syphonic action.
i.e. hot water rises and cold water falls so when you stop your engine after a run, the water still circulates until the thermostat closes.
in the older days before water pumps were fitted, that is how the water circulation was achieved.
it would be unwise to do it the other way.
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multanen
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| posted on 4/8/08 at 10:06 AM |
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I would use two radiators parallel connected instead of series. Parallel connected system has better maximum cooling effect, because both radiators
can be at maximum temperature through their whole surface area. When connected in series only the "first" radiator can be in maximum
temperature (110 C or whatever). Hotter the radiator is, the more heat it can transfer to air.
Also, the pump for two parallel connected radiators can actually be slightly smaller than pump for one radiator. Two radiators in series require
slightly more power from pump compared to one radiator system.
This pump thingy might not be important though.
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