- Senior Member
- Posts: 217
- Joined: Dec 8th, 2011 10:58 pm
- Tell us about your Corvette: 1972 lt1 non orig eng in process of painting safari yellow original onterio orange.Work on car is in my garage and done by myself
- Location: the golden state
Vito is correct. To show this, the equation for the continuity of fluid flow may be used. This equation is based on an incompressible fluid, and for what we are discussing, the air can be considered as incompressible because we are not compressing it. The equation states that in two parts of a fluid system, P1*V1*A1*R1/T1 = P2*V2*A2*R2/T2 where P is pressure, A is area, V is velocity, R is density and T is temperature. For this condition, we can state that the pressure, temperature and density will not change. If you go from a large hose to a small hose with no change in temperature, pressure or density, the area will go down, therefore the velocity of the fluid must go up by the same proportional amount, or the air velocity will increase, making your tool run faster. However, if you go from a small hose to a large hose, the area in the downstream hose is larger, so the velocity of the air will decrease by the same proportional amount as the increase in area, and your tool will run slower.vito wrote:large airline to smaller is okay, small to larger is a no no. you will loose your pressure. if I can find my TAB books I can show you in a duct system what will happen.
nomadhermet wrote:P.S.FYI I attented a car show this weekend(California)
Welcome to the world of big government. Unfortunately it will only get worse from here.nomadhermet wrote:P.S.FYI I attented a car show this weekend(California) was told that DMV and CHP staff were walking around and cheaking VIN # and for smog devices that were removed. Cal doesn't have a smog test on 75 or older cars but it is still agains't the law to remove them. If any paper is issued at a car show by them this will change shows as we know them. I,m not trying to get political but this is the home of J Brown,Arnold,Nancy,Barbara,Diana The 3 wicked witches of the west .
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