formula for calc volume of liquid in a hose
#1
formula for calc volume of liquid in a hose
I need some help with my higher math....
I think I can remember the
v= PI * r^2* L
L = lenth of hose
v= 3.14 * 1 * 120
v= 376.8
that 1 inch pipe 10 feet long
how do get amount of gallons in 376.8 ?
I think I can remember the
v= PI * r^2* L
L = lenth of hose
v= 3.14 * 1 * 120
v= 376.8
that 1 inch pipe 10 feet long
how do get amount of gallons in 376.8 ?
#5
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Garden hose will probably not stand up to the intense pressure of FI. With a carb that trick may work, but with FI the joke may be on you; or should I say "the gas will be on you." And if you tried to use a 1 inch hose as fuel line I don't believe the fuel pump could produce enough volume to create the needed pressure to keep the FI working correctly. If you plan to use it as some sort of hidden "just in case" gas then go for it. I'm all for bending the rules to get the competitive edge. Breaking rules usually leads to innovation.
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I figured you were joking about the gas thing; but I just had to point out the side effects of such a thing before somebody tried it and had an accident.
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And if you tried to use a 1 inch hose as fuel line I don't believe the fuel pump could produce enough volume to create the needed pressure to keep the FI working correctly.
We can also try an analogy with another pump in the car... What happens to flow when you open up the exhaust?
#11
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Originally posted by Eggie
I don't understand this at all. Let's assume your pump can flow X gph at Y psi through 1/2" id hose. So what happens if you upgrade to 1" id hose? Well, the pressure regulator keeps you at Y psi. To get X gph, the flow need to move only 1/4 as fast as before, so flow resistance should actually be less and flow would go up a bit.
We can also try an analogy with another pump in the car... What happens to flow when you open up the exhaust?
I don't understand this at all. Let's assume your pump can flow X gph at Y psi through 1/2" id hose. So what happens if you upgrade to 1" id hose? Well, the pressure regulator keeps you at Y psi. To get X gph, the flow need to move only 1/4 as fast as before, so flow resistance should actually be less and flow would go up a bit.
We can also try an analogy with another pump in the car... What happens to flow when you open up the exhaust?
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I thought up a good analogy to demonstrate my claims:
Think of your normal old garden hose attached to your house. With its avarage sized hose it can create enough water pressure to blast away most dirt and grime off of you car but only flows a limited amount of water per minute. Now if you increased the size of the hose to say 1 foot in diameter you could now flow much more water through that hose in one minute ALTHOUGH now the water would be just barely pouring out of the end of the hose and not creating much water pressure. Thus the flow has been increased but the pressure has been dropped. Given that the source of the energy has stayed the same.
Think of your normal old garden hose attached to your house. With its avarage sized hose it can create enough water pressure to blast away most dirt and grime off of you car but only flows a limited amount of water per minute. Now if you increased the size of the hose to say 1 foot in diameter you could now flow much more water through that hose in one minute ALTHOUGH now the water would be just barely pouring out of the end of the hose and not creating much water pressure. Thus the flow has been increased but the pressure has been dropped. Given that the source of the energy has stayed the same.
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Oops - my exhaust analogy stinks!
The garden hose is not the same scenario because that upgrade goes from a 1" outlet to 1'. In the fuel system, the fuel must exit through either the injectors or the pressure regulator, which a hose upgrade cannot affect. Unless you install a big leak...
The garden hose is not the same scenario because that upgrade goes from a 1" outlet to 1'. In the fuel system, the fuel must exit through either the injectors or the pressure regulator, which a hose upgrade cannot affect. Unless you install a big leak...
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