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#Rotor · 11-13-2004, 01:15 AM

Pumps have been around for quite some time now..... way longer than us geeks sticking them into PC's anyway..... I don't think there is much to improve on, when looking at pumps....

My take on head, it's how high up a pump can push water vertically into the air.

flow resistance appears to the pump as an artificial form of head, but there is a theoretical difference..... a pump with 12feet of head, say, will not move a single drop over 12 feet. In this case the pump is fighting against a directional force, Gravity..... if the pump stops, the water will come rushing down again....

That same pump with a 3/8" loop that's say 50Yards in length and flat on the ground...(representing a flow resistance of , for argument sake 15 feet's head, will still manage to move a slight amount of water through it.... in this case the pump is fighting against friction.... which it not a force by itself, I.E when the pump stops the water wont suddenly come flowing back the opposite direction....

almost like trying to get to 0 by dividing 358749 by 2, over and over and over..... you will never get to 0....

11-13-2004, 01:15 AM	#8
#Rotor Cooling Savant Join Date: Feb 2002 Location: Dione, sector 4s1256 Posts: 852	Pumps have been around for quite some time now..... way longer than us geeks sticking them into PC's anyway..... I don't think there is much to improve on, when looking at pumps.... My take on head, it's how high up a pump can push water vertically into the air. flow resistance appears to the pump as an artificial form of head, but there is a theoretical difference..... a pump with 12feet of head, say, will not move a single drop over 12 feet. In this case the pump is fighting against a directional force, Gravity..... if the pump stops, the water will come rushing down again.... That same pump with a 3/8" loop that's say 50Yards in length and flat on the ground...(representing a flow resistance of , for argument sake 15 feet's head, will still manage to move a slight amount of water through it.... in this case the pump is fighting against friction.... which it not a force by itself, I.E when the pump stops the water wont suddenly come flowing back the opposite direction.... almost like trying to get to 0 by dividing 358749 by 2, over and over and over..... you will never get to 0.... __________________ There is no Spoon....